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-rw-r--r--pkgs/applications/blockchains/aeon/default.nix43
-rw-r--r--pkgs/applications/blockchains/alfis/default.nix56
-rw-r--r--pkgs/applications/blockchains/besu/default.nix29
-rw-r--r--pkgs/applications/blockchains/bisq-desktop/default.nix102
-rwxr-xr-xpkgs/applications/blockchains/bisq-desktop/update.sh22
-rw-r--r--pkgs/applications/blockchains/bitcoin-abc/default.nix76
-rw-r--r--pkgs/applications/blockchains/bitcoin-abc/fix-bitcoin-qt-build.patch15
-rw-r--r--pkgs/applications/blockchains/bitcoin-classic/default.nix76
-rw-r--r--pkgs/applications/blockchains/bitcoin-gold/default.nix72
-rw-r--r--pkgs/applications/blockchains/bitcoin-knots/default.nix83
-rw-r--r--pkgs/applications/blockchains/bitcoin-unlimited/default.nix66
-rw-r--r--pkgs/applications/blockchains/bitcoin/default.nix108
-rw-r--r--pkgs/applications/blockchains/btcdeb/default.nix30
-rw-r--r--pkgs/applications/blockchains/btcpayserver/default.nix34
-rw-r--r--pkgs/applications/blockchains/btcpayserver/deps.nix2057
-rwxr-xr-xpkgs/applications/blockchains/btcpayserver/update.sh12
-rw-r--r--pkgs/applications/blockchains/cgminer/default.nix49
-rw-r--r--pkgs/applications/blockchains/charge-lnd/default.nix39
-rw-r--r--pkgs/applications/blockchains/chia-plotter/default.nix65
-rw-r--r--pkgs/applications/blockchains/chia-plotter/dont_fetch_dependencies.patch50
-rw-r--r--pkgs/applications/blockchains/chia/default.nix95
-rw-r--r--pkgs/applications/blockchains/clightning/default.nix71
-rw-r--r--pkgs/applications/blockchains/crypto-org-wallet/default.nix33
-rw-r--r--pkgs/applications/blockchains/cryptop/default.nix23
-rw-r--r--pkgs/applications/blockchains/dashpay/default.nix44
-rw-r--r--pkgs/applications/blockchains/dcrd/default.nix26
-rw-r--r--pkgs/applications/blockchains/dcrwallet/default.nix26
-rw-r--r--pkgs/applications/blockchains/digibyte/default.nix69
-rw-r--r--pkgs/applications/blockchains/dogecoin/default.nix41
-rw-r--r--pkgs/applications/blockchains/eclair/default.nix38
-rw-r--r--pkgs/applications/blockchains/electrs/default.nix42
-rwxr-xr-xpkgs/applications/blockchains/electrs/update.sh40
-rw-r--r--pkgs/applications/blockchains/elements/default.nix84
-rw-r--r--pkgs/applications/blockchains/ergo/default.nix27
-rw-r--r--pkgs/applications/blockchains/erigon.nix34
-rw-r--r--pkgs/applications/blockchains/ethabi/add-Cargo-lock.patch683
-rw-r--r--pkgs/applications/blockchains/ethabi/default.nix26
-rw-r--r--pkgs/applications/blockchains/exodus/default.nix83
-rw-r--r--pkgs/applications/blockchains/faraday/default.nix27
-rw-r--r--pkgs/applications/blockchains/fulcrum/default.nix36
-rw-r--r--pkgs/applications/blockchains/go-ethereum/default.nix61
-rw-r--r--pkgs/applications/blockchains/groestlcoin/default.nix93
-rw-r--r--pkgs/applications/blockchains/ledger-live-desktop/default.nix49
-rw-r--r--pkgs/applications/blockchains/ledger-live-desktop/systemd.patch14
-rw-r--r--pkgs/applications/blockchains/lightning-loop/default.nix27
-rw-r--r--pkgs/applications/blockchains/lightning-pool/default.nix27
-rw-r--r--pkgs/applications/blockchains/lightwalletd/default.nix37
-rw-r--r--pkgs/applications/blockchains/litecoin/default.nix55
-rw-r--r--pkgs/applications/blockchains/lnd/default.nix40
-rw-r--r--pkgs/applications/blockchains/lndconnect/default.nix25
-rw-r--r--pkgs/applications/blockchains/lndconnect/deps.nix129
-rw-r--r--pkgs/applications/blockchains/lndmanage/default.nix44
-rw-r--r--pkgs/applications/blockchains/masari/default.nix25
-rw-r--r--pkgs/applications/blockchains/miniscript/default.nix29
-rw-r--r--pkgs/applications/blockchains/monero-cli/default.nix60
-rw-r--r--pkgs/applications/blockchains/monero-cli/use-system-libraries.patch52
-rw-r--r--pkgs/applications/blockchains/monero-gui/default.nix103
-rw-r--r--pkgs/applications/blockchains/monero-gui/move-log-file.patch14
-rw-r--r--pkgs/applications/blockchains/monero-gui/use-system-libquirc.patch37
-rw-r--r--pkgs/applications/blockchains/mycrypto/default.nix59
-rw-r--r--pkgs/applications/blockchains/namecoin/default.nix48
-rw-r--r--pkgs/applications/blockchains/nano-wallet/default.nix59
-rw-r--r--pkgs/applications/blockchains/nbxplorer/default.nix30
-rw-r--r--pkgs/applications/blockchains/nbxplorer/deps.nix1082
-rwxr-xr-xpkgs/applications/blockchains/nbxplorer/update.sh6
-rwxr-xr-xpkgs/applications/blockchains/nbxplorer/util/create-deps.sh46
-rwxr-xr-xpkgs/applications/blockchains/nbxplorer/util/update-common.sh75
-rw-r--r--pkgs/applications/blockchains/openethereum/default.nix50
-rw-r--r--pkgs/applications/blockchains/oxen/default.nix68
-rw-r--r--pkgs/applications/blockchains/particl-core/default.nix56
-rw-r--r--pkgs/applications/blockchains/pivx/default.nix78
-rw-r--r--pkgs/applications/blockchains/polkadot/default.nix69
-rw-r--r--pkgs/applications/blockchains/quorum/default.nix41
-rw-r--r--pkgs/applications/blockchains/snarkos/default.nix61
-rw-r--r--pkgs/applications/blockchains/solana/default.nix56
-rw-r--r--pkgs/applications/blockchains/stellar-core/default.nix46
-rw-r--r--pkgs/applications/blockchains/sumokoin/default.nix33
-rw-r--r--pkgs/applications/blockchains/tessera/default.nix26
-rw-r--r--pkgs/applications/blockchains/trezor-suite/default.nix64
-rw-r--r--pkgs/applications/blockchains/vertcoin/default.nix69
-rw-r--r--pkgs/applications/blockchains/wasabibackend/default.nix50
-rw-r--r--pkgs/applications/blockchains/wasabibackend/deps.nix203
-rw-r--r--pkgs/applications/blockchains/wasabiwallet/default.nix67
-rw-r--r--pkgs/applications/blockchains/wownero/default.nix61
-rw-r--r--pkgs/applications/blockchains/zcash/default.nix65
85 files changed, 8121 insertions, 0 deletions
diff --git a/pkgs/applications/blockchains/aeon/default.nix b/pkgs/applications/blockchains/aeon/default.nix
new file mode 100644
index 00000000000..51557b3fecb
--- /dev/null
+++ b/pkgs/applications/blockchains/aeon/default.nix
@@ -0,0 +1,43 @@
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, git, doxygen, graphviz
+, boost, miniupnpc, openssl, unbound, cppzmq
+, zeromq, pcsclite, readline, libsodium
+}:
+
+let
+  version = "0.14.1.0";
+in
+stdenv.mkDerivation {
+  pname = "aeon";
+  inherit version;
+
+  src = fetchFromGitHub {
+    owner = "aeonix";
+    repo = "aeon";
+    rev = "v${version}-aeon";
+    fetchSubmodules = true;
+    sha256 = "sha256-yej4w/2m9YXsMobqHwzA5GBbduhaeTVvmnHUJNWX87E=";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config git doxygen graphviz ];
+
+  buildInputs = [
+    boost miniupnpc openssl unbound
+    cppzmq zeromq pcsclite readline libsodium
+  ];
+
+  cmakeFlags = [
+    "-DCMAKE_BUILD_TYPE=Release"
+    "-DBUILD_GUI_DEPS=ON"
+    "-DReadline_ROOT_DIR=${readline.dev}"
+  ];
+
+  hardeningDisable = [ "fortify" ];
+
+  meta = with lib; {
+    description = "Private, secure, untraceable currency";
+    homepage = "http://www.aeon.cash/";
+    license = licenses.bsd3;
+    maintainers = [ maintainers.aij ];
+    platforms = [ "x86_64-linux" ];
+  };
+}
diff --git a/pkgs/applications/blockchains/alfis/default.nix b/pkgs/applications/blockchains/alfis/default.nix
new file mode 100644
index 00000000000..28ce7512129
--- /dev/null
+++ b/pkgs/applications/blockchains/alfis/default.nix
@@ -0,0 +1,56 @@
+{ stdenv
+, lib
+, rustPlatform
+, fetchFromGitHub
+, pkg-config
+, makeWrapper
+, webkitgtk
+, zenity
+, Cocoa
+, Security
+, WebKit
+, withGui ? true
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "alfis";
+  version = "0.6.11";
+
+  src = fetchFromGitHub {
+    owner = "Revertron";
+    repo = "Alfis";
+    rev = "v${version}";
+    sha256 = "sha256-vm/JBJh58UaSem18RpJuPUzM2GCy4RfCb6Hr1B7KWQA=";
+  };
+
+  cargoSha256 = "sha256-8ijGO8up0qVQ/kVX5/DveKyovYLh7jm+d7vooS1waAA=";
+
+  checkFlags = [
+    # these want internet access, disable them
+    "--skip=dns::client::tests::test_tcp_client"
+    "--skip=dns::client::tests::test_udp_client"
+  ];
+
+  nativeBuildInputs = [ pkg-config makeWrapper ];
+  buildInputs = lib.optional stdenv.isDarwin Security
+    ++ lib.optional (withGui && stdenv.isLinux) webkitgtk
+    ++ lib.optionals (withGui && stdenv.isDarwin) [ Cocoa WebKit ];
+
+  buildNoDefaultFeatures = true;
+  buildFeatures = [
+    "doh"
+  ] ++ lib.optional withGui "webgui";
+
+  postInstall = lib.optionalString (withGui && stdenv.isLinux) ''
+    wrapProgram $out/bin/alfis \
+      --prefix PATH : ${lib.makeBinPath [ zenity ]}
+  '';
+
+  meta = with lib; {
+    description = "Alternative Free Identity System";
+    homepage = "https://alfis.name";
+    license = licenses.agpl3Only;
+    maintainers = with maintainers; [ misuzu ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/besu/default.nix b/pkgs/applications/blockchains/besu/default.nix
new file mode 100644
index 00000000000..550d65051e3
--- /dev/null
+++ b/pkgs/applications/blockchains/besu/default.nix
@@ -0,0 +1,29 @@
+{ lib, stdenv, fetchurl, makeWrapper, jre }:
+
+stdenv.mkDerivation rec {
+  pname = "besu";
+  version = "21.10.8";
+
+  src = fetchurl {
+    url = "https://hyperledger.jfrog.io/artifactory/${pname}-binaries/${pname}/${version}/${pname}-${version}.tar.gz";
+    sha256 = "sha256-0yXi42vDinB6nuv5IGj1AhYGqMa2Rku0tNWQCO+AFPw=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp -r bin $out/
+    mkdir -p $out/lib
+    cp -r lib $out/
+    wrapProgram $out/bin/${pname} --set JAVA_HOME "${jre}"
+  '';
+
+  meta = with lib; {
+    description = "An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client";
+    homepage = "https://www.hyperledger.org/projects/besu";
+    license = licenses.asl20;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ mmahut ];
+  };
+}
diff --git a/pkgs/applications/blockchains/bisq-desktop/default.nix b/pkgs/applications/blockchains/bisq-desktop/default.nix
new file mode 100644
index 00000000000..869f8dcad05
--- /dev/null
+++ b/pkgs/applications/blockchains/bisq-desktop/default.nix
@@ -0,0 +1,102 @@
+{ stdenv
+, lib
+, makeWrapper
+, fetchurl
+, makeDesktopItem
+, copyDesktopItems
+, imagemagick
+, openjdk11
+, dpkg
+, writeScript
+, bash
+, tor
+, gnutar
+, zip
+, xz
+}:
+
+let
+  bisq-launcher = writeScript "bisq-launcher" ''
+    #! ${bash}/bin/bash
+
+    # This is just a comment to convince Nix that Tor is a
+    # runtime dependency; The Tor binary is in a *.jar file,
+    # whereas Nix only scans for hashes in uncompressed text.
+    # ${bisq-tor}
+
+    JAVA_TOOL_OPTIONS="-XX:+UseG1GC -XX:MaxHeapFreeRatio=10 -XX:MinHeapFreeRatio=5 -XX:+UseStringDeduplication" bisq-desktop-wrapped "$@"
+  '';
+
+  bisq-tor = writeScript "bisq-tor" ''
+    #! ${bash}/bin/bash
+
+    exec ${tor}/bin/tor "$@"
+  '';
+in
+stdenv.mkDerivation rec {
+  pname = "bisq-desktop";
+  version = "1.8.4";
+
+  src = fetchurl {
+    url = "https://github.com/bisq-network/bisq/releases/download/v${version}/Bisq-64bit-${version}.deb";
+    sha256 = "09bpkmn22kal3cxg8sil02wy2f2gplsbdkp4viagn0jppma02jid";
+  };
+
+  nativeBuildInputs = [ makeWrapper copyDesktopItems imagemagick dpkg gnutar zip xz ];
+
+  desktopItems = [
+    (makeDesktopItem {
+      name = "Bisq";
+      exec = "bisq-desktop";
+      icon = "bisq";
+      desktopName = "Bisq ${version}";
+      genericName = "Decentralized bitcoin exchange";
+      categories = [ "Network" "P2P" ];
+    })
+  ];
+
+  unpackPhase = ''
+    dpkg -x $src .
+  '';
+
+  buildPhase = ''
+    # Replace the embedded Tor binary (which is in a Tar archive)
+    # with one from Nixpkgs.
+
+    mkdir -p native/linux/x64/
+    cp ${bisq-tor} ./tor
+    tar -cJf native/linux/x64/tor.tar.xz tor
+    zip -r opt/bisq/lib/app/desktop-${version}-all.jar native
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/lib $out/bin
+    cp opt/bisq/lib/app/desktop-${version}-all.jar $out/lib
+
+    makeWrapper ${openjdk11}/bin/java $out/bin/bisq-desktop-wrapped \
+      --add-flags "-jar $out/lib/desktop-${version}-all.jar bisq.desktop.app.BisqAppMain"
+
+    makeWrapper ${bisq-launcher} $out/bin/bisq-desktop \
+      --prefix PATH : $out/bin
+
+    for n in 16 24 32 48 64 96 128 256; do
+      size=$n"x"$n
+      convert opt/bisq/lib/Bisq.png -resize $size bisq.png
+      install -Dm644 -t $out/share/icons/hicolor/$size/apps bisq.png
+    done;
+
+    runHook postInstall
+  '';
+
+  passthru.updateScript = ./update.sh;
+
+  meta = with lib; {
+    description = "A decentralized bitcoin exchange network";
+    homepage = "https://bisq.network";
+    license = licenses.mit;
+    maintainers = with maintainers; [ juaningan emmanuelrosa ];
+    platforms = [ "x86_64-linux" ];
+  };
+}
diff --git a/pkgs/applications/blockchains/bisq-desktop/update.sh b/pkgs/applications/blockchains/bisq-desktop/update.sh
new file mode 100755
index 00000000000..393447834bb
--- /dev/null
+++ b/pkgs/applications/blockchains/bisq-desktop/update.sh
@@ -0,0 +1,22 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl jq gnused gnupg common-updater-scripts
+
+set -eu -o pipefail
+
+version="$(curl -s https://api.github.com/repos/bisq-network/bisq/releases| jq '.[] | {name,prerelease} | select(.prerelease==false) | limit(1;.[])' | sed 's/[\"v]//g' | head -n 1)"
+depname="Bisq-64bit-$version.deb"
+src="https://github.com/bisq-network/bisq/releases/download/v$version/$depname"
+signature="$src.asc"
+key="CB36 D7D2 EBB2 E35D 9B75 500B CD5D C1C5 29CD FD3B"
+
+pushd $(mktemp -d --suffix=-bisq-updater)
+export GNUPGHOME=$PWD/gnupg
+mkdir -m 700 -p "$GNUPGHOME"
+curl -L -o "$depname" -- "$src"
+curl -L -o signature.asc -- "$signature"
+gpg --batch --recv-keys "$key"
+gpg --batch --verify signature.asc "$depname"
+sha256=$(nix-prefetch-url --type sha256 "file://$PWD/$depname")
+popd
+
+update-source-version bisq-desktop "$version" "$sha256"
diff --git a/pkgs/applications/blockchains/bitcoin-abc/default.nix b/pkgs/applications/blockchains/bitcoin-abc/default.nix
new file mode 100644
index 00000000000..6f1734bbc13
--- /dev/null
+++ b/pkgs/applications/blockchains/bitcoin-abc/default.nix
@@ -0,0 +1,76 @@
+{ lib
+, stdenv
+, mkDerivation
+, fetchFromGitHub
+, pkg-config
+, cmake
+, openssl
+, db53
+, boost
+, zlib
+, miniupnpc
+, qtbase ? null
+, qttools ? null
+, util-linux
+, protobuf
+, qrencode
+, libevent
+, withGui
+, python3
+, jemalloc
+, zeromq4
+}:
+
+mkDerivation rec {
+  pname = "bitcoin" + lib.optionalString (!withGui) "d" + "-abc";
+  version = "0.21.13";
+
+  src = fetchFromGitHub {
+    owner = "bitcoin-ABC";
+    repo = "bitcoin-abc";
+    rev = "v${version}";
+    sha256 = "1x8xcdi1vcskggk9bqkwr3ah4vi9b7sj2h8hf7spac6dvz8lmzav";
+  };
+
+  patches = [ ./fix-bitcoin-qt-build.patch ];
+
+  nativeBuildInputs = [ pkg-config cmake ];
+  buildInputs = [
+    openssl
+    db53
+    boost
+    zlib
+    python3
+    jemalloc
+    zeromq4
+    miniupnpc
+    util-linux
+    protobuf
+    libevent
+  ] ++ lib.optionals withGui [ qtbase qttools qrencode ];
+
+  cmakeFlags = lib.optionals (!withGui) [
+    "-DBUILD_BITCOIN_QT=OFF"
+  ];
+
+  # many of the generated scripts lack execute permissions
+  postConfigure = ''
+    find ./. -type f -iname "*.sh" -exec chmod +x {} \;
+  '';
+
+  meta = with lib; {
+    description = "Peer-to-peer electronic cash system (Cash client)";
+    longDescription = ''
+      Bitcoin ABC is the name of open source software which enables the use of Bitcoin.
+      It is designed to facilite a hard fork to increase Bitcoin's block size limit.
+      "ABC" stands for "Adjustable Blocksize Cap".
+
+      Bitcoin ABC is a fork of the Bitcoin Core software project.
+    '';
+    homepage = "https://bitcoinabc.org/";
+    maintainers = with maintainers; [ lassulus ];
+    license = licenses.mit;
+    broken = stdenv.isDarwin;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/bitcoin-abc/fix-bitcoin-qt-build.patch b/pkgs/applications/blockchains/bitcoin-abc/fix-bitcoin-qt-build.patch
new file mode 100644
index 00000000000..c49bbc43251
--- /dev/null
+++ b/pkgs/applications/blockchains/bitcoin-abc/fix-bitcoin-qt-build.patch
@@ -0,0 +1,15 @@
+--- bitcoin-abc-v0.15.0-src/build-aux/m4/bitcoin_qt.m4	1970-01-01 01:00:01.000000000 +0100
++++ bitcoin-abc-v0.15.0-src.org/build-aux/m4/bitcoin_qt.m4	2017-09-27 23:38:44.748384197 +0100
+@@ -35,11 +35,7 @@
+ dnl Output: $1 is set to the path of $2 if found. $2 are searched in order.
+ AC_DEFUN([BITCOIN_QT_PATH_PROGS],[
+   BITCOIN_QT_CHECK([
+-    if test "x$3" != x; then
+-      AC_PATH_PROGS($1,$2,,$3)
+-    else
+-      AC_PATH_PROGS($1,$2)
+-    fi
++    AC_PATH_PROGS($1,$2)
+     if test "x$$1" = x && test "x$4" != xyes; then
+       BITCOIN_QT_FAIL([$1 not found])
+     fi
diff --git a/pkgs/applications/blockchains/bitcoin-classic/default.nix b/pkgs/applications/blockchains/bitcoin-classic/default.nix
new file mode 100644
index 00000000000..8aacb50a1b5
--- /dev/null
+++ b/pkgs/applications/blockchains/bitcoin-classic/default.nix
@@ -0,0 +1,76 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, pkg-config
+, autoreconfHook
+, openssl
+, db48
+, boost
+, zlib
+, miniupnpc
+, qtbase ? null
+, qttools ? null
+, util-linux
+, protobuf
+, qrencode
+, libevent
+, withGui
+}:
+
+stdenv.mkDerivation rec {
+  pname = "bitcoin" + lib.optionalString (!withGui) "d" + "-classic";
+  version = "1.3.8uahf";
+
+  src = fetchFromGitHub {
+    owner = "bitcoinclassic";
+    repo = "bitcoinclassic";
+    rev = "v${version}";
+    sha256 = "sha256-fVmFD1B4kKoejd2cmPPF5TJJQTAA6AVsGlVY8IIUNK4=";
+  };
+
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
+  buildInputs = [
+    openssl
+    db48
+    boost
+    zlib
+    miniupnpc
+    util-linux
+    protobuf
+    libevent
+  ] ++ lib.optionals withGui [ qtbase qttools qrencode ];
+
+  configureFlags = [ "--with-boost-libdir=${boost.out}/lib" ]
+    ++ lib.optionals withGui [
+    "--with-gui=qt5"
+    "--with-qt-bindir=${qtbase.dev}/bin:${qttools.dev}/bin"
+  ];
+
+  enableParallelBuilding = true;
+
+  dontWrapQtApps = true;
+
+  meta = with lib; {
+    description = "Peer-to-peer electronic cash system (Classic client)";
+    longDescription = ''
+      Bitcoin is a free open source peer-to-peer electronic cash system that is
+      completely decentralized, without the need for a central server or trusted
+      parties. Users hold the crypto keys to their own money and transact directly
+      with each other, with the help of a P2P network to check for double-spending.
+
+      Bitcoin Classic stands for the original Bitcoin as Satoshi described it,
+      "A Peer-to-Peer Electronic Cash System". We are writing the software that
+      miners and users say they want. We will make sure it solves their needs, help
+      them deploy it, and gracefully upgrade the bitcoin network's capacity
+      together. The data shows that Bitcoin can grow, on-chain, to welcome many
+      more users onto our coin in a safe and distributed manner. In the future we
+      will continue to release updates that are in line with Satoshi’s whitepaper &
+      vision, and are agreed upon by the community.
+    '';
+    homepage = "https://bitcoinclassic.com/";
+    maintainers = with maintainers; [ jefdaj ];
+    license = licenses.mit;
+    broken = stdenv.isDarwin;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/bitcoin-gold/default.nix b/pkgs/applications/blockchains/bitcoin-gold/default.nix
new file mode 100644
index 00000000000..5d6775f729a
--- /dev/null
+++ b/pkgs/applications/blockchains/bitcoin-gold/default.nix
@@ -0,0 +1,72 @@
+{ lib, stdenv
+, fetchFromGitHub
+, openssl
+, boost
+, libb2
+, libevent
+, autoreconfHook
+, db4
+, pkg-config
+, protobuf
+, hexdump
+, zeromq
+, libsodium
+, withGui
+, qtbase ? null
+, qttools ? null
+, wrapQtAppsHook ? null
+}:
+
+with lib;
+
+stdenv.mkDerivation rec {
+
+  pname = "bitcoin" + toString (optional (!withGui) "d") + "-gold";
+  version = "0.17.3";
+
+  src = fetchFromGitHub {
+    owner = "BTCGPU";
+    repo = "BTCGPU";
+    rev = "v${version}";
+    sha256 = "sha256-1tFoUNsCPJkHSmNRl5gE3n2EQD6RZSry1zIM5hiTzEI=";
+  };
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+    hexdump
+  ] ++ optionals withGui [
+    wrapQtAppsHook
+  ];
+
+  buildInputs = [
+    openssl
+    boost
+    libevent
+    db4
+    zeromq
+    libsodium
+    libb2
+  ] ++ optionals withGui [
+    qtbase
+    qttools
+    protobuf
+  ];
+
+  enableParallelBuilding = true;
+
+  configureFlags = [
+      "--with-boost-libdir=${boost.out}/lib"
+  ] ++ optionals withGui [
+      "--with-gui=qt5"
+      "--with-qt-bindir=${qtbase.dev}/bin:${qttools.dev}/bin"
+  ];
+
+  meta = {
+    description = "BTG is a cryptocurrency with Bitcoin fundamentals, mined on common GPUs instead of specialty ASICs";
+    homepage = "https://bitcoingold.org/";
+    license = licenses.mit;
+    maintainers = [ maintainers.mmahut ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/applications/blockchains/bitcoin-knots/default.nix b/pkgs/applications/blockchains/bitcoin-knots/default.nix
new file mode 100644
index 00000000000..803e27969e7
--- /dev/null
+++ b/pkgs/applications/blockchains/bitcoin-knots/default.nix
@@ -0,0 +1,83 @@
+{ lib
+, stdenv
+, fetchurl
+, autoreconfHook
+, pkg-config
+, util-linux
+, hexdump
+, autoSignDarwinBinariesHook
+, wrapQtAppsHook ? null
+, boost
+, libevent
+, miniupnpc
+, zeromq
+, zlib
+, db48
+, sqlite
+, qrencode
+, qtbase ? null
+, qttools ? null
+, python3
+, nixosTests
+, withGui
+, withWallet ? true
+}:
+
+with lib;
+stdenv.mkDerivation rec {
+  pname = if withGui then "bitcoin-knots" else "bitcoind-knots";
+  version = "22.0.knots20211108";
+
+  src = fetchurl {
+    url = "https://bitcoinknots.org/files/22.x/${version}/guix/bitcoin-${version}.tar.gz";
+    sha256 = "04sqbx4sp3bzwbl8z53nz96n3s0590h327ih0mbgyvfvl3b8pj4i";
+  };
+
+  nativeBuildInputs =
+    [ autoreconfHook pkg-config ]
+    ++ optionals stdenv.isLinux [ util-linux ]
+    ++ optionals stdenv.isDarwin [ hexdump ]
+    ++ optionals (stdenv.isDarwin && stdenv.isAarch64) [ autoSignDarwinBinariesHook ]
+    ++ optionals withGui [ wrapQtAppsHook ];
+
+  buildInputs = [ boost libevent miniupnpc zeromq zlib ]
+    ++ optionals withWallet [ db48 sqlite ]
+    ++ optionals withGui [ qrencode qtbase qttools ];
+
+  configureFlags = [
+    "--with-boost-libdir=${boost.out}/lib"
+    "--disable-bench"
+  ] ++ optionals (!doCheck) [
+    "--disable-tests"
+    "--disable-gui-tests"
+  ] ++ optionals (!withWallet) [
+    "--disable-wallet"
+  ] ++ optionals withGui [
+    "--with-gui=qt5"
+    "--with-qt-bindir=${qtbase.dev}/bin:${qttools.dev}/bin"
+  ];
+
+  checkInputs = [ python3 ];
+
+  doCheck = true;
+
+  checkFlags =
+    [ "LC_ALL=en_US.UTF-8" ]
+    # QT_PLUGIN_PATH needs to be set when executing QT, which is needed when testing Bitcoin's GUI.
+    # See also https://github.com/NixOS/nixpkgs/issues/24256
+    ++ optional withGui "QT_PLUGIN_PATH=${qtbase}/${qtbase.qtPluginPrefix}";
+
+  enableParallelBuilding = true;
+
+  passthru.tests = {
+    smoke-test = nixosTests.bitcoind-knots;
+  };
+
+  meta = {
+    description = "A derivative of Bitcoin Core with a collection of improvements";
+    homepage = "https://bitcoinknots.org/";
+    maintainers = with maintainers; [ prusnak mmahut ];
+    license = licenses.mit;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/bitcoin-unlimited/default.nix b/pkgs/applications/blockchains/bitcoin-unlimited/default.nix
new file mode 100644
index 00000000000..802a19167a9
--- /dev/null
+++ b/pkgs/applications/blockchains/bitcoin-unlimited/default.nix
@@ -0,0 +1,66 @@
+{ lib, stdenv, fetchFromGitHub, pkg-config, autoreconfHook, openssl, db48, boost
+, zlib, miniupnpc, util-linux, protobuf, qrencode, libevent, python3
+, withGui, wrapQtAppsHook ? null, qtbase ? null, qttools ? null
+, Foundation, ApplicationServices, AppKit }:
+
+with lib;
+
+stdenv.mkDerivation rec {
+  name = "bitcoin" + (toString (optional (!withGui) "d")) + "-unlimited-" + version;
+  version = "1.9.2.0";
+
+  src = fetchFromGitHub {
+    owner = "bitcoinunlimited";
+    repo = "bitcoinunlimited";
+    rev = "BCHunlimited${version}";
+    sha256 = "sha256-qUf/GWZHpI57ATTlvRhjDtAjRa8a4uvUb0G9Xcf0j7w=";
+  };
+
+  nativeBuildInputs = [ pkg-config autoreconfHook python3 ]
+    ++ optionals withGui [ wrapQtAppsHook qttools ];
+  buildInputs = [ openssl db48 boost zlib
+                  miniupnpc util-linux protobuf libevent ]
+                  ++ optionals withGui [ qtbase qttools qrencode ]
+                  ++ optionals stdenv.isDarwin [ Foundation ApplicationServices AppKit ];
+
+  configureFlags = [ "--with-boost-libdir=${boost.out}/lib" ]
+                     ++ optionals withGui [ "--with-gui=qt5"
+                                            "--with-qt-bindir=${qtbase.dev}/bin:${qttools.dev}/bin"
+                                          ];
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Peer-to-peer electronic cash system (Unlimited client)";
+    longDescription= ''
+      Bitcoin is a free open source peer-to-peer electronic cash system that is
+      completely decentralized, without the need for a central server or trusted
+      parties. Users hold the crypto keys to their own money and transact directly
+      with each other, with the help of a P2P network to check for double-spending.
+
+      The Bitcoin Unlimited (BU) project seeks to provide a voice to all
+      stakeholders in the Bitcoin ecosystem.
+
+      Every node operator or miner can currently choose their own blocksize limit
+      by modifying their client. Bitcoin Unlimited makes the process easier by
+      providing a configurable option for the accepted and generated blocksize via
+      a GUI menu. Bitcoin Unlimited further provides a user-configurable failsafe
+      setting allowing you to accept a block larger than your maximum accepted
+      blocksize if it reaches a certain number of blocks deep in the chain.
+
+      The Bitcoin Unlimited client is not a competitive block scaling proposal
+      like BIP-101, BIP-102, etc. Instead it tracks consensus. This means that it
+      tracks the blockchain that the hash power majority follows, irrespective of
+      blocksize, and signals its ability to accept larger blocks via protocol and
+      block versioning fields.
+
+      If you support an increase in the blocksize limit by any means - or just
+      support Bitcoin conflict resolution as originally envisioned by its founder -
+      consider running a Bitcoin Unlimited client.
+    '';
+    homepage = "https://www.bitcoinunlimited.info/";
+    maintainers = with maintainers; [ DmitryTsygankov ];
+    license = licenses.mit;
+    broken = stdenv.isDarwin;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/bitcoin/default.nix b/pkgs/applications/blockchains/bitcoin/default.nix
new file mode 100644
index 00000000000..35ab9791ec7
--- /dev/null
+++ b/pkgs/applications/blockchains/bitcoin/default.nix
@@ -0,0 +1,108 @@
+{ lib
+, stdenv
+, fetchurl
+, autoreconfHook
+, pkg-config
+, util-linux
+, hexdump
+, autoSignDarwinBinariesHook
+, wrapQtAppsHook ? null
+, boost
+, libevent
+, miniupnpc
+, zeromq
+, zlib
+, db48
+, sqlite
+, qrencode
+, qtbase ? null
+, qttools ? null
+, python3
+, nixosTests
+, withGui
+, withWallet ? true
+}:
+
+with lib;
+let
+  version = "22.0";
+  majorVersion = versions.major version;
+  desktop = fetchurl {
+    url = "https://raw.githubusercontent.com/bitcoin-core/packaging/${majorVersion}.x/debian/bitcoin-qt.desktop";
+    sha256 = "0cpna0nxcd1dw3nnzli36nf9zj28d2g9jf5y0zl9j18lvanvniha";
+  };
+in
+stdenv.mkDerivation rec {
+  pname = if withGui then "bitcoin" else "bitcoind";
+  inherit version;
+
+  src = fetchurl {
+    urls = [
+      "https://bitcoincore.org/bin/bitcoin-core-${version}/bitcoin-${version}.tar.gz"
+      "https://bitcoin.org/bin/bitcoin-core-${version}/bitcoin-${version}.tar.gz"
+    ];
+    sha256 = "d0e9d089b57048b1555efa7cd5a63a7ed042482045f6f33402b1df425bf9613b";
+  };
+
+  nativeBuildInputs =
+    [ autoreconfHook pkg-config ]
+    ++ optionals stdenv.isLinux [ util-linux ]
+    ++ optionals stdenv.isDarwin [ hexdump ]
+    ++ optionals (stdenv.isDarwin && stdenv.isAarch64) [ autoSignDarwinBinariesHook ]
+    ++ optionals withGui [ wrapQtAppsHook ];
+
+  buildInputs = [ boost libevent miniupnpc zeromq zlib ]
+    ++ optionals withWallet [ db48 sqlite ]
+    ++ optionals withGui [ qrencode qtbase qttools ];
+
+  postInstall = optionalString withGui ''
+    install -Dm644 ${desktop} $out/share/applications/bitcoin-qt.desktop
+    substituteInPlace $out/share/applications/bitcoin-qt.desktop --replace "Icon=bitcoin128" "Icon=bitcoin"
+    install -Dm644 share/pixmaps/bitcoin256.png $out/share/pixmaps/bitcoin.png
+  '';
+
+  configureFlags = [
+    "--with-boost-libdir=${boost.out}/lib"
+    "--disable-bench"
+  ] ++ optionals (!doCheck) [
+    "--disable-tests"
+    "--disable-gui-tests"
+  ] ++ optionals (!withWallet) [
+    "--disable-wallet"
+  ] ++ optionals withGui [
+    "--with-gui=qt5"
+    "--with-qt-bindir=${qtbase.dev}/bin:${qttools.dev}/bin"
+  ];
+
+  checkInputs = [ python3 ];
+
+  doCheck = true;
+
+  checkFlags =
+    [ "LC_ALL=en_US.UTF-8" ]
+    # QT_PLUGIN_PATH needs to be set when executing QT, which is needed when testing Bitcoin's GUI.
+    # See also https://github.com/NixOS/nixpkgs/issues/24256
+    ++ optional withGui "QT_PLUGIN_PATH=${qtbase}/${qtbase.qtPluginPrefix}";
+
+  enableParallelBuilding = true;
+
+  passthru.tests = {
+    smoke-test = nixosTests.bitcoind;
+  };
+
+  meta = {
+    description = "Peer-to-peer electronic cash system";
+    longDescription = ''
+      Bitcoin is a free open source peer-to-peer electronic cash system that is
+      completely decentralized, without the need for a central server or trusted
+      parties. Users hold the crypto keys to their own money and transact directly
+      with each other, with the help of a P2P network to check for double-spending.
+    '';
+    homepage = "https://bitcoin.org/en/";
+    downloadPage = "https://bitcoincore.org/bin/bitcoin-core-${version}/";
+    changelog = "https://bitcoincore.org/en/releases/${version}/";
+    maintainers = with maintainers; [ prusnak roconnor ];
+    license = licenses.mit;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/btcdeb/default.nix b/pkgs/applications/blockchains/btcdeb/default.nix
new file mode 100644
index 00000000000..7f4e438173b
--- /dev/null
+++ b/pkgs/applications/blockchains/btcdeb/default.nix
@@ -0,0 +1,30 @@
+{ lib, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, openssl
+}:
+
+with lib;
+stdenv.mkDerivation rec {
+  pname = "btcdeb-unstable";
+  version = "200806";
+
+  src = fetchFromGitHub {
+    owner = "bitcoin-core";
+    repo = "btcdeb";
+    rev = "f6708c397c64894c9f9e31bea2d22285d9462de7";
+    sha256 = "0qkmf89z2n7s95vhw3n9vh9dbi14zy4vqw3ffdh1w911jwm5ry3z";
+  };
+
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
+  buildInputs = [ openssl ];
+
+  meta = {
+    description = "Bitcoin Script Debugger";
+    homepage = "https://github.com/kallewoof/btcdeb";
+    license = licenses.mit;
+    maintainers = with maintainers; [ akru ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/btcpayserver/default.nix b/pkgs/applications/blockchains/btcpayserver/default.nix
new file mode 100644
index 00000000000..4a06592ce01
--- /dev/null
+++ b/pkgs/applications/blockchains/btcpayserver/default.nix
@@ -0,0 +1,34 @@
+{ lib, buildDotnetModule, fetchFromGitHub, dotnetCorePackages
+, altcoinSupport ? false }:
+
+buildDotnetModule rec {
+  pname = "btcpayserver";
+  version = "1.4.7";
+
+  src = fetchFromGitHub {
+    owner = pname;
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-Qz4BNrhK+NPnKBgjXGYl4P2R878LCuMGZxLECawA12E=";
+  };
+
+  projectFile = "BTCPayServer/BTCPayServer.csproj";
+  nugetDeps = ./deps.nix;
+
+  dotnet-sdk = dotnetCorePackages.sdk_6_0;
+  dotnet-runtime = dotnetCorePackages.aspnetcore_6_0;
+
+  buildType = if altcoinSupport then "Altcoins-Release" else "Release";
+
+  postFixup = ''
+    mv $out/bin/{BTCPayServer,btcpayserver}
+  '';
+
+  meta = with lib; {
+    description = "Self-hosted, open-source cryptocurrency payment processor";
+    homepage = "https://btcpayserver.org";
+    maintainers = with maintainers; [ kcalvinalvin earvstedt ];
+    license = licenses.mit;
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/applications/blockchains/btcpayserver/deps.nix b/pkgs/applications/blockchains/btcpayserver/deps.nix
new file mode 100644
index 00000000000..57602e2231c
--- /dev/null
+++ b/pkgs/applications/blockchains/btcpayserver/deps.nix
@@ -0,0 +1,2057 @@
+{ fetchNuGet }: [
+  (fetchNuGet {
+    pname = "AngleSharp.Css";
+    version = "0.14.2";
+    sha256 = "1d34a8ab5dri4wlw07jvk7b1z0d0zizwihwpdfva3sxhb4279ahd";
+  })
+  (fetchNuGet {
+    pname = "AngleSharp";
+    version = "0.14.0";
+    sha256 = "1zgwhh1fp2mmaplvpgm86rpmslix3wqfxf0d3hxx1gxwfgr6wxm6";
+  })
+  (fetchNuGet {
+    pname = "AWSSDK.Core";
+    version = "3.3.104.14";
+    sha256 = "157694kb63z1szbsv861515fvjv7amrjrfmgbm3idpyw31afk650";
+  })
+  (fetchNuGet {
+    pname = "AWSSDK.S3";
+    version = "3.3.110.10";
+    sha256 = "1lf1hfbx792dpa1hxgn0a0jrrvldd16hgbxx229dk2qcz5qlnc38";
+  })
+  (fetchNuGet {
+    pname = "BIP78.Sender";
+    version = "0.2.2";
+    sha256 = "12pm2s35c0qzc06099q2z1pxwq94rq85n74yz8fs8gwvm2ksgp4p";
+  })
+  (fetchNuGet {
+    pname = "BTCPayServer.Hwi";
+    version = "2.0.2";
+    sha256 = "0lh3n1qncqs4kbrmx65xs271f0d9c7irrs9qnsa9q51cbbqbljh9";
+  })
+  (fetchNuGet {
+    pname = "BTCPayServer.Lightning.All";
+    version = "1.3.2";
+    sha256 = "0xcfba8n9zf5m1nb48ilggp03kpki4nv4kx7k7a5w1gxgm6k6j9z";
+  })
+  (fetchNuGet {
+    pname = "BTCPayServer.Lightning.Charge";
+    version = "1.3.1";
+    sha256 = "1xakwnb839dl0qnhqprsnfq8png31iyb0fsngljis5jc8yvb4353";
+  })
+  (fetchNuGet {
+    pname = "BTCPayServer.Lightning.CLightning";
+    version = "1.3.1";
+    sha256 = "0a79p6i3xiq6svv08c4hhihkvqa2ac7fphi3g9i0cwh47ak0k5h2";
+  })
+  (fetchNuGet {
+    pname = "BTCPayServer.Lightning.Common";
+    version = "1.2.7";
+    sha256 = "1hz4bn3aw537r253ipdpa6sydwhb6dh3r82xp1jizn9a6mnw54x6";
+  })
+  (fetchNuGet {
+    pname = "BTCPayServer.Lightning.Common";
+    version = "1.3.1";
+    sha256 = "165p1246fn628hlwdrx7sanlxa6qqpn480rq1asn5r1602w21844";
+  })
+  (fetchNuGet {
+    pname = "BTCPayServer.Lightning.Eclair";
+    version = "1.3.1";
+    sha256 = "1vlwm5mw8wffp00xhkx19yavk59b5x540sg81vis3q7hjvvgca5c";
+  })
+  (fetchNuGet {
+    pname = "BTCPayServer.Lightning.LNBank";
+    version = "1.3.1";
+    sha256 = "0qga34vi4fzfr0g4qk0ad8xkqdig2ishmdj9i32s5yrrjrkx7c8d";
+  })
+  (fetchNuGet {
+    pname = "BTCPayServer.Lightning.LND";
+    version = "1.3.1";
+    sha256 = "1b70jlyzy9xjvfywzi6i3l3sd4mkknxpni9akdi0phsfqysmy0wl";
+  })
+  (fetchNuGet {
+    pname = "BuildBundlerMinifier";
+    version = "3.2.449";
+    sha256 = "1dcjlfl5w2vfppx2hq3jj6xy24id2x3hcajwylhphlz9jw2bnhsv";
+  })
+  (fetchNuGet {
+    pname = "BundlerMinifier.Core";
+    version = "3.2.435";
+    sha256 = "17338x8ycr7hjzq16kr0ri30k19802hsn1sy259k3v694mxk59vd";
+  })
+  (fetchNuGet {
+    pname = "BundlerMinifier.TagHelpers";
+    version = "3.2.435";
+    sha256 = "0ksmby0lzgsxkv0xfzr840262kcqra9vds91mcx0rf20blksfvsk";
+  })
+  (fetchNuGet {
+    pname = "CsvHelper";
+    version = "15.0.5";
+    sha256 = "01y8bhsnxghn3flz0pr11vj6wjrpmia8rpdrsp7kjfc1zmhqlgma";
+  })
+  (fetchNuGet {
+    pname = "DigitalRuby.ExchangeSharp";
+    version = "0.6.3";
+    sha256 = "1vb7ahafcd3lcbiiz552aisilwm1yq3j600gkf1wik8vhvsk02fs";
+  })
+  (fetchNuGet {
+    pname = "Fido2.AspNet";
+    version = "2.0.1";
+    sha256 = "1d6bjyck3mlhb9b4c75xhzr2pcs47vdqg2ayi5wnjh1aszyam3nq";
+  })
+  (fetchNuGet {
+    pname = "Fido2.Models";
+    version = "2.0.1";
+    sha256 = "0llpzkik82n5gpgjawx181j85d2lizimkbdkxj1wyrjvxb2xbg3q";
+  })
+  (fetchNuGet {
+    pname = "Fido2";
+    version = "2.0.1";
+    sha256 = "1s829n970lxngbhac9lvarwa9n9hqxr79kwv8i12amnmg6ir8ny5";
+  })
+  (fetchNuGet {
+    pname = "Google.Api.Gax.Rest";
+    version = "2.5.0";
+    sha256 = "1zkjl5zh6qwdz4qmnxnk5877pas638i2qi25znilhqqf3mrkp0rp";
+  })
+  (fetchNuGet {
+    pname = "Google.Api.Gax";
+    version = "2.5.0";
+    sha256 = "0q6pi53px998i3gdndla8v0zqdpyi9gnsy9mdcfpkrg09vfbdsl9";
+  })
+  (fetchNuGet {
+    pname = "Google.Apis.Auth";
+    version = "1.35.1";
+    sha256 = "1qdnd1nq9bfgyljmiww91pfi0iz1n29rz2dlizhxcijqya2ldha3";
+  })
+  (fetchNuGet {
+    pname = "Google.Apis.Auth";
+    version = "1.38.0";
+    sha256 = "0x3bdwiyqjxw5df99bfasmsv09kb47wzisag938631cijl0g277y";
+  })
+  (fetchNuGet {
+    pname = "Google.Apis.Core";
+    version = "1.35.1";
+    sha256 = "01dfw2kxknlc5pm7x1q88lv9j979509lkkgvlffjry5bawsxsja4";
+  })
+  (fetchNuGet {
+    pname = "Google.Apis.Core";
+    version = "1.38.0";
+    sha256 = "012gslhnx65vqfyzjnqx4bqk9kb8bwbx966q2f9fdgrfcn26gj9j";
+  })
+  (fetchNuGet {
+    pname = "Google.Apis.Storage.v1";
+    version = "1.38.0.1470";
+    sha256 = "0mfrz7fmpfbjvp4zfpjasmnfbgxgxrrjkf8xgp9p6h9g8qh2f2h2";
+  })
+  (fetchNuGet {
+    pname = "Google.Apis";
+    version = "1.35.1";
+    sha256 = "1022l8m7v9f3rkjc9l11mkzwsbmqx9sk5f4aym035vn9hdr16d49";
+  })
+  (fetchNuGet {
+    pname = "Google.Apis";
+    version = "1.38.0";
+    sha256 = "01j3d1lv106cqw9n0lwgclrxghy852fsibv6av4xr03ivrkm8g40";
+  })
+  (fetchNuGet {
+    pname = "Google.Cloud.Storage.V1";
+    version = "2.3.0";
+    sha256 = "01jhrd6m6md8m28chzg2dkdfd4yris79j1xi7r1ydm1cfjhmlj64";
+  })
+  (fetchNuGet {
+    pname = "HtmlSanitizer";
+    version = "5.0.372";
+    sha256 = "1gllp58vdbql2ybwf05i2178x7p4g8zyyk64317d1pyss5217g7r";
+  })
+  (fetchNuGet {
+    pname = "Humanizer.Core";
+    version = "2.8.26";
+    sha256 = "1v8xd12yms4qq1md4vh6faxicmqrvahqdd7sdkyzrphab9v44nsm";
+  })
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+    pname = "xunit.assert";
+    version = "2.4.1";
+    sha256 = "1imynzh80wxq2rp9sc4gxs4x1nriil88f72ilhj5q0m44qqmqpc6";
+  })
+  (fetchNuGet {
+    pname = "xunit.core";
+    version = "2.4.1";
+    sha256 = "1nnb3j4kzmycaw1g76ii4rfqkvg6l8gqh18falwp8g28h802019a";
+  })
+  (fetchNuGet {
+    pname = "xunit.extensibility.core";
+    version = "2.4.1";
+    sha256 = "103qsijmnip2pnbhciqyk2jyhdm6snindg5z2s57kqf5pcx9a050";
+  })
+  (fetchNuGet {
+    pname = "xunit.extensibility.execution";
+    version = "2.4.1";
+    sha256 = "1pbilxh1gp2ywm5idfl0klhl4gb16j86ib4x83p8raql1dv88qia";
+  })
+  (fetchNuGet {
+    pname = "xunit.runner.visualstudio";
+    version = "2.4.3";
+    sha256 = "0j1d0rbcm7pp6dypi61sjxp8l22sv261252z55b243l39jgv2rp3";
+  })
+  (fetchNuGet {
+    pname = "xunit";
+    version = "2.4.1";
+    sha256 = "0xf3kaywpg15flqaqfgywqyychzk15kz0kz34j21rcv78q9ywq20";
+  })
+  (fetchNuGet {
+    pname = "YamlDotNet";
+    version = "8.0.0";
+    sha256 = "09hr1jimmfhcpk97p963y94h2k5p7wzcj4mpwqpdnwzbyrp2flpm";
+  })
+]
diff --git a/pkgs/applications/blockchains/btcpayserver/update.sh b/pkgs/applications/blockchains/btcpayserver/update.sh
new file mode 100755
index 00000000000..082911b42a3
--- /dev/null
+++ b/pkgs/applications/blockchains/btcpayserver/update.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+scriptDir=$(cd "${BASH_SOURCE[0]%/*}" && pwd)
+cd "$scriptDir"
+
+echo "Updating nbxplorer"
+../nbxplorer/update.sh
+echo
+echo "Updating btcpayserver"
+# Include Razor SDK packages in deps.nix
+../nbxplorer/util/update-common.sh btcpayserver deps.nix '"/p:Configuration="Altcoins-Release" /p:RazorCompileOnBuild=false'
diff --git a/pkgs/applications/blockchains/cgminer/default.nix b/pkgs/applications/blockchains/cgminer/default.nix
new file mode 100644
index 00000000000..250379ee710
--- /dev/null
+++ b/pkgs/applications/blockchains/cgminer/default.nix
@@ -0,0 +1,49 @@
+{ lib, stdenv
+, fetchFromGitHub
+, pkg-config
+, libtool
+, autoconf
+, automake
+, curl
+, ncurses
+, ocl-icd
+, opencl-headers
+, libusb1
+, xorg
+, jansson }:
+
+stdenv.mkDerivation rec {
+  pname = "cgminer";
+  version = "4.11.1";
+
+  src = fetchFromGitHub {
+    owner = "ckolivas";
+    repo = "cgminer";
+    rev = "v${version}";
+    sha256 = "0l1ms3nxnjzh4mpiadikvngcr9k3jnjqy3yna207za0va0c28dj5";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ autoconf automake libtool curl ncurses ocl-icd opencl-headers
+    xorg.libX11 xorg.libXext xorg.libXinerama jansson libusb1 ];
+
+  configureScript = "./autogen.sh";
+  configureFlags = [ "--enable-scrypt"
+                     "--enable-opencl"
+                     "--enable-bitforce"
+                     "--enable-icarus"
+                     "--enable-modminer"
+                     "--enable-ztex"
+                     "--enable-avalon"
+                     "--enable-klondike"
+                     "--enable-keccak"
+                     "--enable-bflsc"];
+
+  meta = with lib; {
+    description = "CPU/GPU miner in c for bitcoin";
+    homepage = "https://github.com/ckolivas/cgminer";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ offline mmahut ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/applications/blockchains/charge-lnd/default.nix b/pkgs/applications/blockchains/charge-lnd/default.nix
new file mode 100644
index 00000000000..1571e09e3e9
--- /dev/null
+++ b/pkgs/applications/blockchains/charge-lnd/default.nix
@@ -0,0 +1,39 @@
+{ lib, fetchFromGitHub, python3Packages }:
+
+python3Packages.buildPythonApplication rec {
+  pname = "charge-lnd";
+  version = "0.2.4";
+
+  src = fetchFromGitHub {
+    owner = "accumulator";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1d1cbpmpppp7z1bmsarwfs314c7ypchlyr4calx0fzxfpxzfks5k";
+  };
+
+  propagatedBuildInputs = with python3Packages; [
+    aiorpcx
+    colorama
+    googleapis-common-protos
+    grpcio
+    protobuf
+    six
+    termcolor
+  ];
+
+  postInstall = ''
+    install README.md charge.config.example -Dt $out/share/doc/charge-lnd
+  '';
+
+  doInstallCheck = true;
+  installCheckPhase = ''
+    $out/bin/charge-lnd --help > /dev/null
+  '';
+
+  meta = with lib; {
+    description = "Simple policy-based fee manager for lightning network daemon";
+    homepage = "https://github.com/accumulator/charge-lnd";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ mmilata ];
+  };
+}
diff --git a/pkgs/applications/blockchains/chia-plotter/default.nix b/pkgs/applications/blockchains/chia-plotter/default.nix
new file mode 100644
index 00000000000..51ca4469bc4
--- /dev/null
+++ b/pkgs/applications/blockchains/chia-plotter/default.nix
@@ -0,0 +1,65 @@
+{ lib
+, fetchFromGitHub
+, stdenv
+, libsodium
+, cmake
+, substituteAll
+, python3Packages
+}:
+
+stdenv.mkDerivation {
+  pname = "chia-plotter";
+  version = "1.1.7";
+
+  src = fetchFromGitHub {
+    owner = "madMAx43v3r";
+    repo = "chia-plotter";
+    rev = "18cad340858f0dbcc8dafd0bda1ce1af0fe58c65";
+    sha256 = "sha256-lXjeqcjn3+LtnVYngdM1T3on7V7wez4oOAZ0RpKJXMM=";
+    fetchSubmodules = true;
+  };
+
+  patches = [
+    # prevent CMake from trying to get libraries on the Internet
+    (substituteAll {
+      src = ./dont_fetch_dependencies.patch;
+      pybind11_src = python3Packages.pybind11.src;
+      relic_src = fetchFromGitHub {
+        owner = "relic-toolkit";
+        repo = "relic";
+        rev = "1885ae3b681c423c72b65ce1fe70910142cf941c";
+        hash = "sha256-tsSZTcssl8t7Nqdex4BesgQ+ACPgTdtHnJFvS9josN0=";
+      };
+    })
+  ];
+
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = [ libsodium ];
+
+  # These flags come from the upstream build script:
+  # https://github.com/madMAx43v3r/chia-plotter/blob/974d6e5f1440f68c48492122ca33828a98864dfc/make_devel.sh#L7
+  CXXFLAGS = "-O3 -fmax-errors=1";
+  cmakeFlags = [
+    "-DARITH=easy"
+    "-DBUILD_BLS_PYTHON_BINDINGS=false"
+    "-DBUILD_BLS_TESTS=false"
+    "-DBUILD_BLS_BENCHMARKS=false"
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    install -D -m 755 chia_plot $out/bin/chia_plot
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/madMAx43v3r/chia-plotter";
+    description = "New implementation of a chia plotter which is designed as a processing pipeline";
+    license = licenses.gpl3Only;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ ilyakooo0 ];
+  };
+}
diff --git a/pkgs/applications/blockchains/chia-plotter/dont_fetch_dependencies.patch b/pkgs/applications/blockchains/chia-plotter/dont_fetch_dependencies.patch
new file mode 100644
index 00000000000..05486473eef
--- /dev/null
+++ b/pkgs/applications/blockchains/chia-plotter/dont_fetch_dependencies.patch
@@ -0,0 +1,50 @@
+diff --git a/lib/bls-signatures/python-bindings/CMakeLists.txt b/lib/bls-signatures/python-bindings/CMakeLists.txt
+index 255e3bb..5f99c3a 100644
+--- a/lib/bls-signatures/python-bindings/CMakeLists.txt
++++ b/lib/bls-signatures/python-bindings/CMakeLists.txt
+@@ -6,8 +6,7 @@ include(FetchContent)
+ 
+ FetchContent_Declare(
+   pybind11
+-  GIT_REPOSITORY https://github.com/pybind/pybind11.git
+-  GIT_TAG        v2.6.2
++  SOURCE_DIR @pybind11_src@
+ )
+ FetchContent_MakeAvailable(pybind11 relic)
+ 
+diff --git a/lib/bls-signatures/src/CMakeLists.txt b/lib/bls-signatures/src/CMakeLists.txt
+index b762b5d..e06073b 100644
+--- a/lib/bls-signatures/src/CMakeLists.txt
++++ b/lib/bls-signatures/src/CMakeLists.txt
+@@ -4,18 +4,11 @@ set (CMAKE_CXX_STANDARD 17)
+ # CMake 3.14+
+ include(FetchContent)
+ 
+-if (DEFINED ENV{RELIC_MAIN})
+-  set(RELIC_GIT_TAG "origin/main")
+-else ()
+-  set(RELIC_GIT_TAG "1885ae3b681c423c72b65ce1fe70910142cf941c")
+-endif ()
+-
+ message(STATUS "Relic will be built from: ${RELIC_GIT_TAG}")
+ 
+ FetchContent_Declare(
+   relic
+-  GIT_REPOSITORY https://github.com/relic-toolkit/relic.git
+-  GIT_TAG        ${RELIC_GIT_TAG}
++  SOURCE_DIR @relic_src@
+ )
+ FetchContent_MakeAvailable(relic)
+ 
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 970ec74..948441a 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -38,6 +38,7 @@ include_directories(
+ 	${BLAKE3_PATH}
+ 	${CMAKE_BINARY_DIR}/_deps/relic-src/include
+ 	${CMAKE_BINARY_DIR}/_deps/relic-build/include
++     @relic_src@/include
+ )
+ 
+ IF (WIN32)
diff --git a/pkgs/applications/blockchains/chia/default.nix b/pkgs/applications/blockchains/chia/default.nix
new file mode 100644
index 00000000000..e8527559c3a
--- /dev/null
+++ b/pkgs/applications/blockchains/chia/default.nix
@@ -0,0 +1,95 @@
+{ lib
+, cacert
+, fetchFromGitHub
+, python3Packages
+}:
+
+let chia = python3Packages.buildPythonApplication rec {
+  pname = "chia";
+  version = "1.3.1";
+
+  src = fetchFromGitHub {
+    owner = "Chia-Network";
+    repo = "chia-blockchain";
+    rev = version;
+    fetchSubmodules = true;
+    hash = "sha256-nH6rCzIQu5oWsdEHa+UkvbWeUGjrtpEKVEcLmSoor5k=";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "==" ">="
+
+    cp ${cacert}/etc/ssl/certs/ca-bundle.crt mozilla-ca/cacert.pem
+  '';
+
+  nativeBuildInputs = [
+    python3Packages.setuptools-scm
+  ];
+
+  # give a hint to setuptools-scm on package version
+  SETUPTOOLS_SCM_PRETEND_VERSION = "v${version}";
+
+  propagatedBuildInputs = with python3Packages; [
+    aiofiles
+    aiohttp
+    aiosqlite
+    bitstring
+    blspy
+    chiapos
+    chiavdf
+    chiabip158
+    click
+    clvm
+    clvm-rs
+    clvm-tools
+    colorama
+    colorlog
+    concurrent-log-handler
+    cryptography
+    dnslib
+    dnspythonchia
+    fasteners
+    filelock
+    keyrings-cryptfile
+    pyyaml
+    setproctitle
+    setuptools # needs pkg_resources at runtime
+    sortedcontainers
+    watchdog
+    websockets
+    zstd
+  ];
+
+  checkInputs = with python3Packages; [
+    pytestCheckHook
+  ];
+
+  # Testsuite is expensive and non-deterministic, so it is available in
+  # passthru.tests instead.
+  doCheck = false;
+
+  disabledTests = [
+    "test_spend_through_n"
+    "test_spend_zero_coin"
+    "test_default_cached_master_passphrase"
+    "test_using_legacy_keyring"
+  ];
+
+  preCheck = ''
+    export HOME=`mktemp -d`
+  '';
+
+  passthru.tests = {
+    chiaWithTests = chia.overrideAttrs (_: { doCheck = true; });
+  };
+
+  meta = with lib; {
+    homepage = "https://www.chia.net/";
+    description = "Chia is a modern cryptocurrency built from scratch, designed to be efficient, decentralized, and secure.";
+    license = with licenses; [ asl20 ];
+    maintainers = teams.chia.members;
+    platforms = platforms.all;
+  };
+};
+in chia
diff --git a/pkgs/applications/blockchains/clightning/default.nix b/pkgs/applications/blockchains/clightning/default.nix
new file mode 100644
index 00000000000..b58524d1eee
--- /dev/null
+++ b/pkgs/applications/blockchains/clightning/default.nix
@@ -0,0 +1,71 @@
+{ lib
+, stdenv
+, darwin
+, fetchurl
+, autoconf
+, automake
+, autogen
+, gettext
+, libtool
+, pkg-config
+, unzip
+, which
+, gmp
+, libsodium
+, python3
+, sqlite
+, zlib
+}:
+let
+  py3 = python3.withPackages (p: [ p.Mako p.mrkd ]);
+in
+stdenv.mkDerivation rec {
+  pname = "clightning";
+  version = "0.10.2";
+
+  src = fetchurl {
+    url = "https://github.com/ElementsProject/lightning/releases/download/v${version}/clightning-v${version}.zip";
+    sha256 = "3c9dcb686217b2efe0e988e90b95777c4591e3335e259e01a94af87e0bf01809";
+  };
+
+  # when building on darwin we need dawin.cctools to provide the correct libtool
+  # as libwally-core detects the host as darwin and tries to add the -static
+  # option to libtool, also we have to add the modified gsed package.
+  nativeBuildInputs = [ autogen autoconf automake gettext pkg-config py3 unzip which ]
+    ++ lib.optionals stdenv.isDarwin [ darwin.cctools darwin.autoSignDarwinBinariesHook ] ++ [ libtool ];
+
+  buildInputs = [ gmp libsodium sqlite zlib ];
+
+  # this causes some python trouble on a darwin host so we skip this step.
+  # also we have to tell libwally-core to use sed instead of gsed.
+  postPatch = if !stdenv.isDarwin then ''
+    patchShebangs \
+      tools/generate-wire.py \
+      tools/update-mocks.sh \
+      tools/mockup.sh \
+      devtools/sql-rewrite.py
+  '' else ''
+    substituteInPlace external/libwally-core/tools/autogen.sh --replace gsed sed && \
+    substituteInPlace external/libwally-core/configure.ac --replace gsed sed
+  '';
+
+  configureFlags = [ "--disable-developer" "--disable-valgrind" ];
+
+  makeFlags = [ "VERSION=v${version}" ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "A Bitcoin Lightning Network implementation in C";
+    longDescription = ''
+      c-lightning is a standard compliant implementation of the Lightning
+      Network protocol. The Lightning Network is a scalability solution for
+      Bitcoin, enabling secure and instant transfer of funds between any two
+      parties for any amount.
+    '';
+    homepage = "https://github.com/ElementsProject/lightning";
+    maintainers = with maintainers; [ jb55 prusnak ];
+    license = licenses.mit;
+    platforms = platforms.linux ++ platforms.darwin;
+  };
+}
diff --git a/pkgs/applications/blockchains/crypto-org-wallet/default.nix b/pkgs/applications/blockchains/crypto-org-wallet/default.nix
new file mode 100644
index 00000000000..e45e4349756
--- /dev/null
+++ b/pkgs/applications/blockchains/crypto-org-wallet/default.nix
@@ -0,0 +1,33 @@
+{ lib, fetchurl, appimageTools, imagemagick }:
+
+let
+  pname = "chain-desktop-wallet";
+  version = "0.1.1";
+  name = "${pname}-${version}";
+
+  src = fetchurl {
+    url = "https://github.com/crypto-com/${pname}/releases/download/v${version}/${name}-x86_64.AppImage";
+    sha256 = "12076hf8dlz0hg1pb2ixwlslrh8gi6s1iawnvhnn6vz4jmjvq356";
+  };
+
+  appimageContents = appimageTools.extractType2 { inherit name src; };
+in appimageTools.wrapType2 rec {
+  inherit name src;
+
+  extraInstallCommands = ''
+    mv $out/bin/${name} $out/bin/${pname}
+    install -m 444 -D ${appimageContents}/${pname}.desktop $out/share/applications/${pname}.desktop
+    ${imagemagick}/bin/convert ${appimageContents}/${pname}.png -resize 512x512 ${pname}_512.png
+    install -m 444 -D ${pname}_512.png $out/share/icons/hicolor/512x512/apps/${pname}.png
+    substituteInPlace $out/share/applications/${pname}.desktop \
+      --replace 'Exec=AppRun --no-sandbox %U' 'Exec=${pname} %U'
+  '';
+
+  meta = with lib; {
+    description = "Crypto.org Chain desktop wallet (Beta)";
+    homepage = "https://github.com/crypto-com/chain-desktop-wallet";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ th0rgal ];
+    platforms = [ "x86_64-linux" ];
+  };
+}
diff --git a/pkgs/applications/blockchains/cryptop/default.nix b/pkgs/applications/blockchains/cryptop/default.nix
new file mode 100644
index 00000000000..d93a10436fc
--- /dev/null
+++ b/pkgs/applications/blockchains/cryptop/default.nix
@@ -0,0 +1,23 @@
+{ lib, buildPythonApplication, fetchPypi, requests, requests-cache, setuptools }:
+
+buildPythonApplication rec {
+  pname = "cryptop";
+  version = "0.2.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0akrrz735vjfrm78plwyg84vabj0x3qficq9xxmy9kr40fhdkzpb";
+  };
+
+  propagatedBuildInputs = [ setuptools requests requests-cache ];
+
+  # No tests in archive
+  doCheck = false;
+
+  meta = {
+    homepage = "https://github.com/huwwp/cryptop";
+    description = "Command line Cryptocurrency Portfolio";
+    license = with lib.licenses; [ mit ];
+    maintainers = with lib.maintainers; [ bhipple ];
+  };
+}
diff --git a/pkgs/applications/blockchains/dashpay/default.nix b/pkgs/applications/blockchains/dashpay/default.nix
new file mode 100644
index 00000000000..0411f8cf32b
--- /dev/null
+++ b/pkgs/applications/blockchains/dashpay/default.nix
@@ -0,0 +1,44 @@
+{ fetchFromGitHub, lib, stdenv, pkg-config, autoreconfHook
+, openssl, db48, boost, zlib, miniupnpc
+, qrencode, glib, protobuf, yasm, libevent
+, util-linux
+, enable_Upnp ? false
+, disable_Wallet ? false
+, disable_Daemon ? false }:
+
+with lib;
+stdenv.mkDerivation rec {
+  pname = "dashpay";
+  version = "0.12.2.3";
+
+  src = fetchFromGitHub {
+    owner = "dashpay";
+    repo= "dash";
+    rev = "v${version}";
+    sha256 = "sha256-DMoiUX8Q0HcBHA6ZIN58uPsTnHjEJMi8eGG2DW8z17Q=";
+  };
+
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
+  buildInputs = [ glib openssl db48 yasm boost zlib libevent
+                  miniupnpc protobuf qrencode util-linux ];
+
+
+  configureFlags = [ "--with-boost-libdir=${boost.out}/lib --with-gui=no" ]
+                    ++ optional enable_Upnp "--enable-upnp-default"
+                    ++ optional disable_Wallet "--disable-wallet"
+                    ++ optional disable_Daemon "--disable-daemon"
+                    ;
+
+  meta = {
+    description = "A decentralized key/value registration and transfer system";
+    longDescription = ''
+      Dash (DASH) is an open sourced, privacy-centric digital currency
+      with instant transactions.  It allows you to keep your finances
+      private as you make transactions without waits, similar to cash.
+    '';
+    homepage = "https://www.dash.org";
+    maintainers = with maintainers; [ ];
+    platforms = platforms.unix;
+    license = licenses.mit;
+  };
+}
diff --git a/pkgs/applications/blockchains/dcrd/default.nix b/pkgs/applications/blockchains/dcrd/default.nix
new file mode 100644
index 00000000000..e959eca48ae
--- /dev/null
+++ b/pkgs/applications/blockchains/dcrd/default.nix
@@ -0,0 +1,26 @@
+{ lib, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "dcrd";
+  version = "1.5.2";
+
+  src = fetchFromGitHub {
+    owner = "decred";
+    repo = "dcrd";
+    rev = "refs/tags/release-v${version}";
+    sha256 = "14pxajc8si90hnddilfm09kmljwxq6i6p53fk0g09jp000cbklkl";
+  };
+
+  vendorSha256 = "03aw6mcvp1vr01ppxy673jf5hdryd5032cxndlkaiwg005mxp1dy";
+
+  doCheck = false;
+
+  subPackages = [ "." "cmd/dcrctl" "cmd/promptsecret" ];
+
+  meta = {
+    homepage = "https://decred.org";
+    description = "Decred daemon in Go (golang)";
+    license = with lib.licenses; [ isc ];
+    maintainers = with lib.maintainers; [ juaningan ];
+  };
+}
diff --git a/pkgs/applications/blockchains/dcrwallet/default.nix b/pkgs/applications/blockchains/dcrwallet/default.nix
new file mode 100644
index 00000000000..2266a1e4c26
--- /dev/null
+++ b/pkgs/applications/blockchains/dcrwallet/default.nix
@@ -0,0 +1,26 @@
+{ lib, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "dcrwallet";
+  version = "1.6.0";
+
+  src = fetchFromGitHub {
+    owner = "decred";
+    repo = "dcrwallet";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-WUfmv+laOwR/fc4osAFzPKqHQR+wOtSdLEsysICnuvg=";
+  };
+
+  vendorSha256 = "sha256-9IRNlULvARIZu6dWaKrvx6fiDJ80SBLINhK/9tW9k/0=";
+
+  doCheck = false;
+
+  subPackages = [ "." ];
+
+  meta = {
+    homepage = "https://decred.org";
+    description = "A secure Decred wallet daemon written in Go (golang)";
+    license = with lib.licenses; [ isc ];
+    maintainers = with lib.maintainers; [ juaningan ];
+  };
+}
diff --git a/pkgs/applications/blockchains/digibyte/default.nix b/pkgs/applications/blockchains/digibyte/default.nix
new file mode 100644
index 00000000000..acf0b355e64
--- /dev/null
+++ b/pkgs/applications/blockchains/digibyte/default.nix
@@ -0,0 +1,69 @@
+{ lib, stdenv
+, fetchFromGitHub
+, openssl
+, boost
+, libevent
+, autoreconfHook
+, db4
+, pkg-config
+, protobuf
+, hexdump
+, zeromq
+, withGui
+, qtbase ? null
+, qttools ? null
+, wrapQtAppsHook ? null
+}:
+
+with lib;
+
+stdenv.mkDerivation rec {
+  pname = "digibyte";
+  version = "7.17.2";
+
+  name = pname + toString (optional (!withGui) "d") + "-" + version;
+
+  src = fetchFromGitHub {
+    owner = pname;
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "04czj7mx3wpbx4832npk686p9pg5zb6qwlcvnmvqf31hm5qylbxj";
+  };
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+    hexdump
+  ] ++ optionals withGui [
+    wrapQtAppsHook
+  ];
+
+  buildInputs = [
+    openssl
+    boost
+    libevent
+    db4
+    zeromq
+  ] ++ optionals withGui [
+    qtbase
+    qttools
+    protobuf
+  ];
+
+  enableParallelBuilding = true;
+
+  configureFlags = [
+      "--with-boost-libdir=${boost.out}/lib"
+  ] ++ optionals withGui [
+      "--with-gui=qt5"
+      "--with-qt-bindir=${qtbase.dev}/bin:${qttools.dev}/bin"
+  ];
+
+  meta = {
+    description = "DigiByte (DGB) is a rapidly growing decentralized, global blockchain";
+    homepage = "https://digibyte.io/";
+    license = licenses.mit;
+    maintainers = [ maintainers.mmahut ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/applications/blockchains/dogecoin/default.nix b/pkgs/applications/blockchains/dogecoin/default.nix
new file mode 100644
index 00000000000..35b9fb026e3
--- /dev/null
+++ b/pkgs/applications/blockchains/dogecoin/default.nix
@@ -0,0 +1,41 @@
+{ lib, stdenv , fetchFromGitHub
+, pkg-config, autoreconfHook
+, db5, openssl, boost, zlib, miniupnpc, libevent
+, protobuf, util-linux, qt4, qrencode
+, withGui }:
+
+with lib;
+stdenv.mkDerivation rec {
+  name = "dogecoin" + (toString (optional (!withGui) "d")) + "-" + version;
+  version = "1.14.5";
+
+  src = fetchFromGitHub {
+    owner = "dogecoin";
+    repo = "dogecoin";
+    rev = "v${version}";
+    sha256 = "sha256-Ewefy6sptSQDJVbvQqFoawhA/ujKEn9W2JWyoPYD7d0=";
+  };
+
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
+  buildInputs = [ openssl db5 openssl util-linux
+                  protobuf boost zlib miniupnpc libevent ]
+                  ++ optionals withGui [ qt4 qrencode ];
+
+  configureFlags = [ "--with-incompatible-bdb"
+                     "--with-boost-libdir=${boost.out}/lib" ]
+                     ++ optionals withGui [ "--with-gui" ];
+
+  meta = {
+    description = "Wow, such coin, much shiba, very rich";
+    longDescription = ''
+      Dogecoin is a decentralized, peer-to-peer digital currency that
+      enables you to easily send money online. Think of it as "the
+      internet currency."
+      It is named after a famous Internet meme, the "Doge" - a Shiba Inu dog.
+    '';
+    homepage = "http://www.dogecoin.com/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ edwtjo offline ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/applications/blockchains/eclair/default.nix b/pkgs/applications/blockchains/eclair/default.nix
new file mode 100644
index 00000000000..dcddef61931
--- /dev/null
+++ b/pkgs/applications/blockchains/eclair/default.nix
@@ -0,0 +1,38 @@
+{ lib
+, stdenv
+, fetchzip
+, jq
+, openjdk11
+}:
+
+stdenv.mkDerivation rec {
+  pname = "eclair";
+  version = "0.6.2";
+  revision = "6817d6f";
+
+  src = fetchzip {
+    url = "https://github.com/ACINQ/eclair/releases/download/v${version}/eclair-node-${version}-${revision}-bin.zip";
+    sha256 = "038r9mblm2r8mkxnv65k29r7xj22dff5gmvzv9xiy5zf9i45mmk8";
+  };
+
+  propagatedBuildInputs = [ jq openjdk11 ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir $out
+    cp -a * $out
+    mv $out/bin/eclair-node.sh $out/bin/eclair-node
+    rm $out/bin/eclair-node.bat
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "A scala implementation of the Lightning Network";
+    homepage = "https://github.com/ACINQ/eclair";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ prusnak ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/electrs/default.nix b/pkgs/applications/blockchains/electrs/default.nix
new file mode 100644
index 00000000000..f78c0fa3e35
--- /dev/null
+++ b/pkgs/applications/blockchains/electrs/default.nix
@@ -0,0 +1,42 @@
+{ lib
+, stdenv
+, rustPlatform
+, fetchFromGitHub
+, llvmPackages
+, rocksdb_6_23
+, Security
+}:
+
+let
+  rocksdb = rocksdb_6_23;
+in
+rustPlatform.buildRustPackage rec {
+  pname = "electrs";
+  version = "0.9.6";
+
+  src = fetchFromGitHub {
+    owner = "romanz";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-BI7hxlpg2sggD1ag73n+tRre+Ja2ZFhDPzy1DV8aEHw=";
+  };
+
+  cargoHash = "sha256-Oy2mOulSB2a9LaT47G+BzjidcjPjHeaoesQ7g6M8M1Q=";
+
+  # needed for librocksdb-sys
+  nativeBuildInputs = [ llvmPackages.clang ];
+  LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
+
+  # link rocksdb dynamically
+  ROCKSDB_INCLUDE_DIR = "${rocksdb}/include";
+  ROCKSDB_LIB_DIR = "${rocksdb}/lib";
+
+  buildInputs = lib.optionals stdenv.isDarwin [ Security ];
+
+  meta = with lib; {
+    description = "An efficient re-implementation of Electrum Server in Rust";
+    homepage = "https://github.com/romanz/electrs";
+    license = licenses.mit;
+    maintainers = with maintainers; [ prusnak ];
+  };
+}
diff --git a/pkgs/applications/blockchains/electrs/update.sh b/pkgs/applications/blockchains/electrs/update.sh
new file mode 100755
index 00000000000..14105d71a44
--- /dev/null
+++ b/pkgs/applications/blockchains/electrs/update.sh
@@ -0,0 +1,40 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p coreutils curl jq git gnupg common-updater-scripts
+set -euo pipefail
+
+# Fetch latest release, GPG-verify the tag, update derivation
+
+scriptDir=$(cd "${BASH_SOURCE[0]%/*}" && pwd)
+nixpkgs=$(realpath "$scriptDir"/../../../..)
+
+oldVersion=$(nix-instantiate --eval -E "(import \"$nixpkgs\" { config = {}; overlays = []; }).electrs.version" | tr -d '"')
+version=$(curl -s --show-error "https://api.github.com/repos/romanz/electrs/releases/latest" | jq -r '.tag_name' | tail -c +2)
+
+if [[ $version == $oldVersion ]]; then
+  echo "Already at latest version $version"
+  exit 0
+fi
+echo "New version: $version"
+
+tmpdir=$(mktemp -d /tmp/electrs-verify-gpg.XXX)
+repo=$tmpdir/repo
+trap "rm -rf $tmpdir" EXIT
+
+git clone --depth 1 --branch v${version} -c advice.detachedHead=false https://github.com/romanz/electrs $repo
+git -C $repo checkout tags/v${version}
+
+export GNUPGHOME=$tmpdir
+echo
+echo "Fetching romanz's key"
+gpg --keyserver hkps://keys.openpgp.org --recv-keys 15c8c3574ae4f1e25f3f35c587cae5fa46917cbb 2> /dev/null
+echo
+echo "Verifying commit"
+git -C $repo verify-tag v${version}
+
+rm -rf $repo/.git
+hash=$(nix hash path $repo)
+
+(cd "$nixpkgs" && update-source-version electrs "$version" "$hash")
+sed -i 's|cargoHash = .*|cargoHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";|' "$scriptDir/default.nix"
+echo
+echo "electrs: $oldVersion -> $version"
diff --git a/pkgs/applications/blockchains/elements/default.nix b/pkgs/applications/blockchains/elements/default.nix
new file mode 100644
index 00000000000..be124d6f34d
--- /dev/null
+++ b/pkgs/applications/blockchains/elements/default.nix
@@ -0,0 +1,84 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, util-linux
+, hexdump
+, wrapQtAppsHook ? null
+, boost
+, libevent
+, miniupnpc
+, zeromq
+, zlib
+, db48
+, sqlite
+, qrencode
+, qtbase ? null
+, qttools ? null
+, python3
+, withGui
+, withWallet ? true
+}:
+
+with lib;
+stdenv.mkDerivation rec {
+  pname = if withGui then "elements" else "elementsd";
+  version = "0.21.0.2";
+
+  src = fetchFromGitHub {
+    owner = "ElementsProject";
+    repo = "elements";
+    rev = "elements-${version}";
+    sha256 = "sha256-5b3wylp9Z2U0ueu2gI9jGeWiiJoddjcjQ/6zkFATyvA=";
+  };
+
+  nativeBuildInputs =
+    [ autoreconfHook pkg-config ]
+    ++ optionals stdenv.isLinux [ util-linux ]
+    ++ optionals stdenv.isDarwin [ hexdump ]
+    ++ optionals withGui [ wrapQtAppsHook ];
+
+  buildInputs = [ boost libevent miniupnpc zeromq zlib ]
+    ++ optionals withWallet [ db48 sqlite ]
+    ++ optionals withGui [ qrencode qtbase qttools ];
+
+  configureFlags = [
+    "--with-boost-libdir=${boost.out}/lib"
+    "--disable-bench"
+  ] ++ optionals (!doCheck) [
+    "--disable-tests"
+    "--disable-gui-tests"
+  ] ++ optionals (!withWallet) [
+    "--disable-wallet"
+  ] ++ optionals withGui [
+    "--with-gui=qt5"
+    "--with-qt-bindir=${qtbase.dev}/bin:${qttools.dev}/bin"
+  ];
+
+  checkInputs = [ python3 ];
+
+  doCheck = true;
+
+  checkFlags =
+    [ "LC_ALL=C.UTF-8" ]
+    # QT_PLUGIN_PATH needs to be set when executing QT, which is needed when testing Bitcoin's GUI.
+    # See also https://github.com/NixOS/nixpkgs/issues/24256
+    ++ optional withGui "QT_PLUGIN_PATH=${qtbase}/${qtbase.qtPluginPrefix}";
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Open Source implementation of advanced blockchain features extending the Bitcoin protocol";
+    longDescription= ''
+      The Elements blockchain platform is a collection of feature experiments and extensions to the
+      Bitcoin protocol. This platform enables anyone to build their own businesses or networks
+      pegged to Bitcoin as a sidechain or run as a standalone blockchain with arbitrary asset
+      tokens.
+    '';
+    homepage = "https://www.github.com/ElementsProject/elements";
+    maintainers = with maintainers; [ prusnak ];
+    license = licenses.mit;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/ergo/default.nix b/pkgs/applications/blockchains/ergo/default.nix
new file mode 100644
index 00000000000..cb39e26789b
--- /dev/null
+++ b/pkgs/applications/blockchains/ergo/default.nix
@@ -0,0 +1,27 @@
+{ lib, stdenv, fetchurl, makeWrapper, jre }:
+
+stdenv.mkDerivation rec {
+  pname = "ergo";
+  version = "4.0.23";
+
+  src = fetchurl {
+    url = "https://github.com/ergoplatform/ergo/releases/download/v${version}/ergo-${version}.jar";
+    sha256 = "sha256-ZpBTfL8ghLOo8C9yDUfKelblpIlwdVAOgYVvqmxJQXo=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  dontUnpack = true;
+
+  installPhase = ''
+    makeWrapper ${jre}/bin/java $out/bin/ergo --add-flags "-jar $src"
+  '';
+
+  meta = with lib; {
+    description = "Open protocol that implements modern scientific ideas in the blockchain area";
+    homepage = "https://ergoplatform.org/en/";
+    license = licenses.cc0;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ mmahut ];
+  };
+}
diff --git a/pkgs/applications/blockchains/erigon.nix b/pkgs/applications/blockchains/erigon.nix
new file mode 100644
index 00000000000..22f2c970935
--- /dev/null
+++ b/pkgs/applications/blockchains/erigon.nix
@@ -0,0 +1,34 @@
+{ lib, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "erigon";
+  version = "2022.02.04";
+
+  src = fetchFromGitHub {
+    owner = "ledgerwatch";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-86a1VtVyTRKpY41fAHskUfPZpXUutpyvxlRLhkiHTZ0=";
+  };
+
+  vendorSha256 = "sha256-P3jdK+ubBHusTL4eWlA/TDJIrbuV17tL8Cv6c3ubjlc=";
+  proxyVendor = true;
+
+  # Build errors in mdbx when format hardening is enabled:
+  #   cc1: error: '-Wformat-security' ignored without '-Wformat' [-Werror=format-security]
+  hardeningDisable = [ "format" ];
+
+  subPackages = [
+    "cmd/erigon"
+    "cmd/evm"
+    "cmd/rpcdaemon"
+    "cmd/rlpdump"
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/ledgerwatch/erigon/";
+    description = "Ethereum node implementation focused on scalability and modularity";
+    license = with licenses; [ lgpl3Plus gpl3Plus ];
+    maintainers = with maintainers; [ d-xo ];
+  };
+}
diff --git a/pkgs/applications/blockchains/ethabi/add-Cargo-lock.patch b/pkgs/applications/blockchains/ethabi/add-Cargo-lock.patch
new file mode 100644
index 00000000000..57725d28288
--- /dev/null
+++ b/pkgs/applications/blockchains/ethabi/add-Cargo-lock.patch
@@ -0,0 +1,683 @@
+diff --git a/Cargo.lock b/Cargo.lock
+new file mode 100644
+index 0000000..05e3f0f
+--- /dev/null
++++ b/Cargo.lock
+@@ -0,0 +1,677 @@
++# This file is automatically @generated by Cargo.
++# It is not intended for manual editing.
++[[package]]
++name = "ansi_term"
++version = "0.11.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
++dependencies = [
++ "winapi",
++]
++
++[[package]]
++name = "anyhow"
++version = "1.0.40"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "28b2cd92db5cbd74e8e5028f7e27dd7aa3090e89e4f2a197cc7c8dfb69c7063b"
++
++[[package]]
++name = "arrayvec"
++version = "0.5.2"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
++
++[[package]]
++name = "atty"
++version = "0.2.14"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
++dependencies = [
++ "hermit-abi",
++ "libc",
++ "winapi",
++]
++
++[[package]]
++name = "bitflags"
++version = "1.2.1"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
++
++[[package]]
++name = "bitvec"
++version = "0.17.4"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "41262f11d771fd4a61aa3ce019fca363b4b6c282fca9da2a31186d3965a47a5c"
++dependencies = [
++ "either",
++ "radium",
++]
++
++[[package]]
++name = "block-buffer"
++version = "0.9.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
++dependencies = [
++ "block-padding",
++ "generic-array",
++]
++
++[[package]]
++name = "block-padding"
++version = "0.2.1"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "8d696c370c750c948ada61c69a0ee2cbbb9c50b1019ddb86d9317157a99c2cae"
++
++[[package]]
++name = "byte-slice-cast"
++version = "0.3.5"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "b0a5e3906bcbf133e33c1d4d95afc664ad37fbdb9f6568d8043e7ea8c27d93d3"
++
++[[package]]
++name = "byteorder"
++version = "1.4.3"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
++
++[[package]]
++name = "bytes"
++version = "1.0.1"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040"
++
++[[package]]
++name = "cfg-if"
++version = "1.0.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
++
++[[package]]
++name = "clap"
++version = "2.33.3"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"
++dependencies = [
++ "ansi_term",
++ "atty",
++ "bitflags",
++ "strsim",
++ "textwrap",
++ "unicode-width",
++ "vec_map",
++]
++
++[[package]]
++name = "crunchy"
++version = "0.2.2"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
++
++[[package]]
++name = "digest"
++version = "0.9.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
++dependencies = [
++ "generic-array",
++]
++
++[[package]]
++name = "either"
++version = "1.6.1"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
++
++[[package]]
++name = "ethabi"
++version = "13.0.0"
++dependencies = [
++ "anyhow",
++ "ethereum-types",
++ "hex",
++ "hex-literal",
++ "paste",
++ "serde",
++ "serde_json",
++ "sha3",
++ "thiserror",
++ "uint",
++]
++
++[[package]]
++name = "ethabi-cli"
++version = "13.0.0"
++dependencies = [
++ "anyhow",
++ "ethabi",
++ "hex",
++ "itertools",
++ "sha3",
++ "structopt",
++]
++
++[[package]]
++name = "ethabi-contract"
++version = "11.0.0"
++
++[[package]]
++name = "ethabi-derive"
++version = "13.0.0"
++dependencies = [
++ "anyhow",
++ "ethabi",
++ "heck",
++ "proc-macro2",
++ "quote",
++ "syn",
++]
++
++[[package]]
++name = "ethabi-tests"
++version = "0.1.1"
++dependencies = [
++ "ethabi",
++ "ethabi-contract",
++ "ethabi-derive",
++ "hex",
++ "hex-literal",
++]
++
++[[package]]
++name = "ethbloom"
++version = "0.10.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "22a621dcebea74f2a6f2002d0a885c81ccf6cbdf86760183316a7722b5707ca4"
++dependencies = [
++ "crunchy",
++ "fixed-hash",
++ "impl-rlp",
++ "impl-serde",
++ "tiny-keccak",
++]
++
++[[package]]
++name = "ethereum-types"
++version = "0.10.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "05dc5f0df4915fa6dff7f975a8366ecfaaa8959c74235469495153e7bb1b280e"
++dependencies = [
++ "ethbloom",
++ "fixed-hash",
++ "impl-rlp",
++ "impl-serde",
++ "primitive-types",
++ "uint",
++]
++
++[[package]]
++name = "fixed-hash"
++version = "0.7.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "cfcf0ed7fe52a17a03854ec54a9f76d6d84508d1c0e66bc1793301c73fc8493c"
++dependencies = [
++ "byteorder",
++ "rand",
++ "rustc-hex",
++ "static_assertions",
++]
++
++[[package]]
++name = "generic-array"
++version = "0.14.4"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "501466ecc8a30d1d3b7fc9229b122b2ce8ed6e9d9223f1138d4babb253e51817"
++dependencies = [
++ "typenum",
++ "version_check",
++]
++
++[[package]]
++name = "getrandom"
++version = "0.2.2"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
++dependencies = [
++ "cfg-if",
++ "libc",
++ "wasi",
++]
++
++[[package]]
++name = "heck"
++version = "0.3.2"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "87cbf45460356b7deeb5e3415b5563308c0a9b057c85e12b06ad551f98d0a6ac"
++dependencies = [
++ "unicode-segmentation",
++]
++
++[[package]]
++name = "hermit-abi"
++version = "0.1.18"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "322f4de77956e22ed0e5032c359a0f1273f1f7f0d79bfa3b8ffbc730d7fbcc5c"
++dependencies = [
++ "libc",
++]
++
++[[package]]
++name = "hex"
++version = "0.4.3"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
++
++[[package]]
++name = "hex-literal"
++version = "0.3.1"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "5af1f635ef1bc545d78392b136bfe1c9809e029023c84a3638a864a10b8819c8"
++
++[[package]]
++name = "impl-codec"
++version = "0.4.2"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "1be51a921b067b0eaca2fad532d9400041561aa922221cc65f95a85641c6bf53"
++dependencies = [
++ "parity-scale-codec",
++]
++
++[[package]]
++name = "impl-rlp"
++version = "0.3.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "f28220f89297a075ddc7245cd538076ee98b01f2a9c23a53a4f1105d5a322808"
++dependencies = [
++ "rlp",
++]
++
++[[package]]
++name = "impl-serde"
++version = "0.3.1"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "b47ca4d2b6931707a55fce5cf66aff80e2178c8b63bbb4ecb5695cbc870ddf6f"
++dependencies = [
++ "serde",
++]
++
++[[package]]
++name = "itertools"
++version = "0.9.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "284f18f85651fe11e8a991b2adb42cb078325c996ed026d994719efcfca1d54b"
++dependencies = [
++ "either",
++]
++
++[[package]]
++name = "itoa"
++version = "0.4.7"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
++
++[[package]]
++name = "keccak"
++version = "0.1.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "67c21572b4949434e4fc1e1978b99c5f77064153c59d998bf13ecd96fb5ecba7"
++
++[[package]]
++name = "lazy_static"
++version = "1.4.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
++
++[[package]]
++name = "libc"
++version = "0.2.94"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "18794a8ad5b29321f790b55d93dfba91e125cb1a9edbd4f8e3150acc771c1a5e"
++
++[[package]]
++name = "opaque-debug"
++version = "0.3.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
++
++[[package]]
++name = "parity-scale-codec"
++version = "1.3.7"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "a4b26b16c7687c3075982af47719e481815df30bc544f7a6690763a25ca16e9d"
++dependencies = [
++ "arrayvec",
++ "bitvec",
++ "byte-slice-cast",
++ "serde",
++]
++
++[[package]]
++name = "paste"
++version = "1.0.5"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "acbf547ad0c65e31259204bd90935776d1c693cec2f4ff7abb7a1bbbd40dfe58"
++
++[[package]]
++name = "ppv-lite86"
++version = "0.2.10"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
++
++[[package]]
++name = "primitive-types"
++version = "0.8.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "b3824ae2c5e27160113b9e029a10ec9e3f0237bad8029f69c7724393c9fdefd8"
++dependencies = [
++ "fixed-hash",
++ "impl-codec",
++ "impl-rlp",
++ "impl-serde",
++ "uint",
++]
++
++[[package]]
++name = "proc-macro-error"
++version = "1.0.4"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
++dependencies = [
++ "proc-macro-error-attr",
++ "proc-macro2",
++ "quote",
++ "syn",
++ "version_check",
++]
++
++[[package]]
++name = "proc-macro-error-attr"
++version = "1.0.4"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
++dependencies = [
++ "proc-macro2",
++ "quote",
++ "version_check",
++]
++
++[[package]]
++name = "proc-macro2"
++version = "1.0.26"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "a152013215dca273577e18d2bf00fa862b89b24169fb78c4c95aeb07992c9cec"
++dependencies = [
++ "unicode-xid",
++]
++
++[[package]]
++name = "quote"
++version = "1.0.9"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
++dependencies = [
++ "proc-macro2",
++]
++
++[[package]]
++name = "radium"
++version = "0.3.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "def50a86306165861203e7f84ecffbbdfdea79f0e51039b33de1e952358c47ac"
++
++[[package]]
++name = "rand"
++version = "0.8.3"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
++dependencies = [
++ "libc",
++ "rand_chacha",
++ "rand_core",
++]
++
++[[package]]
++name = "rand_chacha"
++version = "0.3.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
++dependencies = [
++ "ppv-lite86",
++ "rand_core",
++]
++
++[[package]]
++name = "rand_core"
++version = "0.6.2"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7"
++dependencies = [
++ "getrandom",
++]
++
++[[package]]
++name = "rlp"
++version = "0.5.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "e54369147e3e7796c9b885c7304db87ca3d09a0a98f72843d532868675bbfba8"
++dependencies = [
++ "bytes",
++ "rustc-hex",
++]
++
++[[package]]
++name = "rustc-hex"
++version = "2.1.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "3e75f6a532d0fd9f7f13144f392b6ad56a32696bfcd9c78f797f16bbb6f072d6"
++
++[[package]]
++name = "ryu"
++version = "1.0.5"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
++
++[[package]]
++name = "serde"
++version = "1.0.125"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "558dc50e1a5a5fa7112ca2ce4effcb321b0300c0d4ccf0776a9f60cd89031171"
++dependencies = [
++ "serde_derive",
++]
++
++[[package]]
++name = "serde_derive"
++version = "1.0.125"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "b093b7a2bb58203b5da3056c05b4ec1fed827dcfdb37347a8841695263b3d06d"
++dependencies = [
++ "proc-macro2",
++ "quote",
++ "syn",
++]
++
++[[package]]
++name = "serde_json"
++version = "1.0.64"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
++dependencies = [
++ "itoa",
++ "ryu",
++ "serde",
++]
++
++[[package]]
++name = "sha3"
++version = "0.9.1"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "f81199417d4e5de3f04b1e871023acea7389672c4135918f05aa9cbf2f2fa809"
++dependencies = [
++ "block-buffer",
++ "digest",
++ "keccak",
++ "opaque-debug",
++]
++
++[[package]]
++name = "static_assertions"
++version = "1.1.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
++
++[[package]]
++name = "strsim"
++version = "0.8.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
++
++[[package]]
++name = "structopt"
++version = "0.3.21"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "5277acd7ee46e63e5168a80734c9f6ee81b1367a7d8772a2d765df2a3705d28c"
++dependencies = [
++ "clap",
++ "lazy_static",
++ "structopt-derive",
++]
++
++[[package]]
++name = "structopt-derive"
++version = "0.4.14"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "5ba9cdfda491b814720b6b06e0cac513d922fc407582032e8706e9f137976f90"
++dependencies = [
++ "heck",
++ "proc-macro-error",
++ "proc-macro2",
++ "quote",
++ "syn",
++]
++
++[[package]]
++name = "syn"
++version = "1.0.72"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "a1e8cdbefb79a9a5a65e0db8b47b723ee907b7c7f8496c76a1770b5c310bab82"
++dependencies = [
++ "proc-macro2",
++ "quote",
++ "unicode-xid",
++]
++
++[[package]]
++name = "textwrap"
++version = "0.11.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
++dependencies = [
++ "unicode-width",
++]
++
++[[package]]
++name = "thiserror"
++version = "1.0.24"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "e0f4a65597094d4483ddaed134f409b2cb7c1beccf25201a9f73c719254fa98e"
++dependencies = [
++ "thiserror-impl",
++]
++
++[[package]]
++name = "thiserror-impl"
++version = "1.0.24"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "7765189610d8241a44529806d6fd1f2e0a08734313a35d5b3a556f92b381f3c0"
++dependencies = [
++ "proc-macro2",
++ "quote",
++ "syn",
++]
++
++[[package]]
++name = "tiny-keccak"
++version = "2.0.2"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "2c9d3793400a45f954c52e73d068316d76b6f4e36977e3fcebb13a2721e80237"
++dependencies = [
++ "crunchy",
++]
++
++[[package]]
++name = "typenum"
++version = "1.13.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "879f6906492a7cd215bfa4cf595b600146ccfac0c79bcbd1f3000162af5e8b06"
++
++[[package]]
++name = "uint"
++version = "0.9.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "e11fe9a9348741cf134085ad57c249508345fe16411b3d7fb4ff2da2f1d6382e"
++dependencies = [
++ "byteorder",
++ "crunchy",
++ "hex",
++ "static_assertions",
++]
++
++[[package]]
++name = "unicode-segmentation"
++version = "1.7.1"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "bb0d2e7be6ae3a5fa87eed5fb451aff96f2573d2694942e40543ae0bbe19c796"
++
++[[package]]
++name = "unicode-width"
++version = "0.1.8"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
++
++[[package]]
++name = "unicode-xid"
++version = "0.2.2"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
++
++[[package]]
++name = "vec_map"
++version = "0.8.2"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
++
++[[package]]
++name = "version_check"
++version = "0.9.3"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
++
++[[package]]
++name = "wasi"
++version = "0.10.2+wasi-snapshot-preview1"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
++
++[[package]]
++name = "winapi"
++version = "0.3.9"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
++dependencies = [
++ "winapi-i686-pc-windows-gnu",
++ "winapi-x86_64-pc-windows-gnu",
++]
++
++[[package]]
++name = "winapi-i686-pc-windows-gnu"
++version = "0.4.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
++
++[[package]]
++name = "winapi-x86_64-pc-windows-gnu"
++version = "0.4.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/pkgs/applications/blockchains/ethabi/default.nix b/pkgs/applications/blockchains/ethabi/default.nix
new file mode 100644
index 00000000000..49f34a68bba
--- /dev/null
+++ b/pkgs/applications/blockchains/ethabi/default.nix
@@ -0,0 +1,26 @@
+{ lib, stdenv, fetchFromGitHub, rustPlatform, libiconv }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "ethabi";
+  version = "13.0.0";
+
+  src = fetchFromGitHub {
+    owner = "rust-ethereum";
+    repo = "ethabi";
+    rev = "v${version}";
+    sha256 = "sha256-bl46CSVP1MMYI3tkVAHFrjMFwTt8QoleZCV9pMIMZyc=";
+  };
+
+  cargoSha256 = "sha256-Jz0uEP2/ZjLS+GbCp7lNyJQdFDjTSFthjBdC/Z4tkTs=";
+
+  cargoPatches = [ ./add-Cargo-lock.patch ];
+
+  buildInputs = lib.optional stdenv.isDarwin libiconv;
+
+  meta = with lib; {
+    description = "Ethereum function call encoding (ABI) utility";
+    homepage = "https://github.com/rust-ethereum/ethabi";
+    maintainers = [ maintainers.dbrock ];
+    license = licenses.asl20;
+  };
+}
diff --git a/pkgs/applications/blockchains/exodus/default.nix b/pkgs/applications/blockchains/exodus/default.nix
new file mode 100644
index 00000000000..d13278b7dee
--- /dev/null
+++ b/pkgs/applications/blockchains/exodus/default.nix
@@ -0,0 +1,83 @@
+{ stdenv, lib, fetchurl, unzip, glib, systemd, nss, nspr, gtk3-x11, pango,
+atk, cairo, gdk-pixbuf, xorg, xorg_sys_opengl, util-linux, alsa-lib, dbus, at-spi2-atk,
+cups, vivaldi-ffmpeg-codecs, libpulseaudio, at-spi2-core, libxkbcommon, mesa }:
+
+stdenv.mkDerivation rec {
+  pname = "exodus";
+  version = "22.2.25";
+
+  src = fetchurl {
+    url = "https://downloads.exodus.io/releases/${pname}-linux-x64-${version}.zip";
+    sha256 = "sha256-YbApI9rIk1653Hp3hsXJrxBMpaGn6Wv3WhZiQWAfPQM=";
+  };
+
+  sourceRoot = ".";
+  unpackCmd = ''
+      ${unzip}/bin/unzip "$src" -x "Exodus*/lib*so"
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin $out/share/applications
+    cd Exodus-linux-x64
+    cp -r . $out
+    ln -s $out/Exodus $out/bin/Exodus
+    ln -s $out/bin/Exodus $out/bin/exodus
+    ln -s $out/exodus.desktop $out/share/applications
+    substituteInPlace $out/share/applications/exodus.desktop \
+          --replace 'Exec=bash -c "cd \`dirname %k\` && ./Exodus %u"' "Exec=Exodus %u"
+  '';
+
+  dontPatchELF = true;
+  dontBuild = true;
+
+  preFixup = let
+    libPath = lib.makeLibraryPath [
+      glib
+      nss
+      nspr
+      gtk3-x11
+      pango
+      atk
+      cairo
+      gdk-pixbuf
+      xorg.libX11
+      xorg.libxcb
+      xorg.libXcomposite
+      xorg.libXcursor
+      xorg.libXdamage
+      xorg.libXext
+      xorg.libXfixes
+      xorg.libXi
+      xorg.libXrender
+      xorg.libxshmfence
+      xorg.libXtst
+      xorg_sys_opengl
+      util-linux
+      xorg.libXrandr
+      xorg.libXScrnSaver
+      alsa-lib
+      dbus.lib
+      at-spi2-atk
+      at-spi2-core
+      cups.lib
+      libpulseaudio
+      systemd
+      vivaldi-ffmpeg-codecs
+      libxkbcommon
+      mesa
+    ];
+  in ''
+    patchelf \
+      --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
+      --set-rpath "${libPath}" \
+      $out/Exodus
+  '';
+
+  meta = with lib; {
+    homepage = "https://www.exodus.io/";
+    description = "Top-rated cryptocurrency wallet with Trezor integration and built-in Exchange";
+    license = licenses.unfree;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ mmahut rople380 ];
+  };
+}
diff --git a/pkgs/applications/blockchains/faraday/default.nix b/pkgs/applications/blockchains/faraday/default.nix
new file mode 100644
index 00000000000..76e91f2bbe5
--- /dev/null
+++ b/pkgs/applications/blockchains/faraday/default.nix
@@ -0,0 +1,27 @@
+{ buildGoModule
+, fetchFromGitHub
+, lib
+}:
+
+buildGoModule rec {
+  pname = "faraday";
+  version = "0.2.5-alpha";
+
+  src = fetchFromGitHub {
+    owner = "lightninglabs";
+    repo = "faraday";
+    rev = "v${version}";
+    sha256 = "16mz333a6awii6g46gr597j31jmgws4285s693q0b87fl1ggj2zz";
+  };
+
+  vendorSha256 = "1nclmvypxp5436q6qaagp1k5bfmaia7hsykw47va0pijlsvsbmck";
+
+  subPackages = [ "cmd/frcli" "cmd/faraday" ];
+
+  meta = with lib; {
+    description = "LND Channel Management Tools";
+    homepage = "https://github.com/lightninglabs/faraday";
+    license = licenses.mit;
+    maintainers = with maintainers; [ proofofkeags prusnak ];
+  };
+}
diff --git a/pkgs/applications/blockchains/fulcrum/default.nix b/pkgs/applications/blockchains/fulcrum/default.nix
new file mode 100644
index 00000000000..35b5f05b383
--- /dev/null
+++ b/pkgs/applications/blockchains/fulcrum/default.nix
@@ -0,0 +1,36 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, pkg-config
+, qmake
+, python3
+, qtbase
+, rocksdb
+, zeromq
+}:
+
+stdenv.mkDerivation rec {
+  pname = "fulcrum";
+  version = "1.6.0";
+
+  src = fetchFromGitHub {
+    owner = "cculianu";
+    repo = "Fulcrum";
+    rev = "v${version}";
+    sha256 = "sha256-oywxGg+Ss7qBITI2PBXQs5ph7PZbJ3c1smtT/TcVoLI=";
+  };
+
+  nativeBuildInputs = [ pkg-config qmake ];
+
+  dontWrapQtApps = true; # no GUI
+
+  buildInputs = [ python3 qtbase rocksdb zeromq ];
+
+  meta = with lib; {
+    description = "Fast & nimble SPV server for Bitcoin Cash & Bitcoin BTC";
+    homepage = "https://github.com/cculianu/Fulcrum";
+    maintainers = with maintainers; [ prusnak ];
+    license = licenses.gpl3Plus;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/go-ethereum/default.nix b/pkgs/applications/blockchains/go-ethereum/default.nix
new file mode 100644
index 00000000000..842ebcc69ec
--- /dev/null
+++ b/pkgs/applications/blockchains/go-ethereum/default.nix
@@ -0,0 +1,61 @@
+{ lib, stdenv, buildGoModule, fetchFromGitHub, libobjc, IOKit, nixosTests }:
+
+let
+  # A list of binaries to put into separate outputs
+  bins = [
+    "geth"
+    "clef"
+  ];
+
+in buildGoModule rec {
+  pname = "go-ethereum";
+  version = "1.10.16";
+
+  src = fetchFromGitHub {
+    owner = "ethereum";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-l+hxAUw55d9MYLIUdF6qSEIelJQYRCvHyw1yuossmyA=";
+  };
+
+  vendorSha256 = "sha256-keeox2d2WEzY9ynEcovPaU95YzVQlbTu1i7PLpjkjZU=";
+
+  doCheck = false;
+
+  outputs = [ "out" ] ++ bins;
+
+  # Move binaries to separate outputs and symlink them back to $out
+  postInstall = lib.concatStringsSep "\n" (
+    builtins.map (bin: "mkdir -p \$${bin}/bin && mv $out/bin/${bin} \$${bin}/bin/ && ln -s \$${bin}/bin/${bin} $out/bin/") bins
+  );
+
+  subPackages = [
+    "cmd/abidump"
+    "cmd/abigen"
+    "cmd/bootnode"
+    "cmd/checkpoint-admin"
+    "cmd/clef"
+    "cmd/devp2p"
+    "cmd/ethkey"
+    "cmd/evm"
+    "cmd/faucet"
+    "cmd/geth"
+    "cmd/p2psim"
+    "cmd/puppeth"
+    "cmd/rlpdump"
+    "cmd/utils"
+  ];
+
+  # Fix for usb-related segmentation faults on darwin
+  propagatedBuildInputs =
+    lib.optionals stdenv.isDarwin [ libobjc IOKit ];
+
+  passthru.tests = { inherit (nixosTests) geth; };
+
+  meta = with lib; {
+    homepage = "https://geth.ethereum.org/";
+    description = "Official golang implementation of the Ethereum protocol";
+    license = with licenses; [ lgpl3Plus gpl3Plus ];
+    maintainers = with maintainers; [ adisbladis lionello RaghavSood ];
+  };
+}
diff --git a/pkgs/applications/blockchains/groestlcoin/default.nix b/pkgs/applications/blockchains/groestlcoin/default.nix
new file mode 100644
index 00000000000..b14076f808d
--- /dev/null
+++ b/pkgs/applications/blockchains/groestlcoin/default.nix
@@ -0,0 +1,93 @@
+{ lib
+, stdenv
+, fetchurl
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, util-linux
+, hexdump
+, autoSignDarwinBinariesHook
+, wrapQtAppsHook ? null
+, boost
+, libevent
+, miniupnpc_2
+, zeromq
+, zlib
+, db53
+, sqlite
+, qrencode
+, qtbase ? null
+, qttools ? null
+, python3
+, withGui ? false
+, withWallet ? true
+}:
+
+let
+  version = "22.0";
+  desktop = fetchurl {
+    url = "https://raw.githubusercontent.com/Groestlcoin/packaging/${version}/debian/groestlcoin-qt.desktop";
+    sha256 = "0mxwq4jvcip44a796iwz7n1ljkhl3a4p47z7qlsxcfxw3zmm0k0k";
+  };
+in
+stdenv.mkDerivation rec {
+  pname = if withGui then "groestlcoin" else "groestlcoind";
+  inherit version;
+
+  src = fetchFromGitHub {
+    owner = "Groestlcoin";
+    repo = "groestlcoin";
+    rev = "v${version}";
+    sha256 = "104zzcigpk976iqyinjn6mw3l36zb1if7249iz44ds1zaxv3g1v1";
+  };
+
+  nativeBuildInputs = [ autoreconfHook pkg-config ]
+    ++ lib.optionals stdenv.isLinux [ util-linux ]
+    ++ lib.optionals stdenv.isDarwin [ hexdump ]
+    ++ lib.optionals (stdenv.isDarwin && stdenv.isAarch64) [ autoSignDarwinBinariesHook ]
+    ++ lib.optionals withGui [ wrapQtAppsHook ];
+
+  buildInputs = [ boost libevent miniupnpc_2 zeromq zlib ]
+    ++ lib.optionals withWallet [ db53 sqlite ]
+    ++ lib.optionals withGui [ qrencode qtbase qttools ];
+
+  postInstall = lib.optionalString withGui ''
+    install -Dm644 ${desktop} $out/share/applications/groestlcoin-qt.desktop
+    substituteInPlace $out/share/applications/groestlcoin-qt.desktop --replace "Icon=groestlcoin128" "Icon=groestlcoin"
+    install -Dm644 share/pixmaps/groestlcoin256.png $out/share/pixmaps/groestlcoin.png
+  '';
+
+  configureFlags = [
+    "--with-boost-libdir=${boost.out}/lib"
+    "--disable-bench"
+  ] ++ lib.optionals (!withWallet) [
+    "--disable-wallet"
+  ] ++ lib.optionals withGui [
+    "--with-gui=qt5"
+    "--with-qt-bindir=${qtbase.dev}/bin:${qttools.dev}/bin"
+  ];
+
+  checkInputs = [ python3 ];
+
+  checkFlags = [ "LC_ALL=en_US.UTF-8" ]
+    # QT_PLUGIN_PATH needs to be set when executing QT, which is needed when testing Groestlcoin's GUI.
+    # See also https://github.com/NixOS/nixpkgs/issues/24256
+    ++ lib.optional withGui "QT_PLUGIN_PATH=${qtbase}/${qtbase.qtPluginPrefix}";
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "Peer-to-peer electronic cash system";
+    longDescription = ''
+      Groestlcoin is a free open source peer-to-peer electronic cash system that is
+      completely decentralized, without the need for a central server or trusted
+      parties. Users hold the crypto keys to their own money and transact directly
+      with each other, with the help of a P2P network to check for double-spending.
+    '';
+    homepage = "https://groestlcoin.org/";
+    downloadPage = "https://github.com/Groestlcoin/groestlcoin/releases/tag/v{version}/";
+    maintainers = with maintainers; [ gruve-p ];
+    license = licenses.mit;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/ledger-live-desktop/default.nix b/pkgs/applications/blockchains/ledger-live-desktop/default.nix
new file mode 100644
index 00000000000..6dc644fbb96
--- /dev/null
+++ b/pkgs/applications/blockchains/ledger-live-desktop/default.nix
@@ -0,0 +1,49 @@
+{ lib, fetchurl, appimageTools, imagemagick, systemd }:
+
+let
+  pname = "ledger-live-desktop";
+  version = "2.39.2";
+  name = "${pname}-${version}";
+
+  src = fetchurl {
+    url = "https://github.com/LedgerHQ/${pname}/releases/download/v${version}/${pname}-${version}-linux-x86_64.AppImage";
+    hash = "sha256-zVefF5CsyVVMNffec/xwA3KmMtZepM51C3Xh0ZCGl0c=";
+  };
+
+  appimageContents = appimageTools.extractType2 {
+    inherit name src;
+  };
+
+  # Hotplug events from udevd are fired into the kernel, which then re-broadcasts them over a
+  # special socket, to every libudev client listening for hotplug when the kernel does that. It will
+  # try to preserve the uid of the sender but a non-root namespace (like the fhs-env) cant map root
+  # to a uid, for security reasons, so the uid of the sender becomes nobody and libudev actively
+  # rejects such messages. This patch disables that bit of security in libudev.
+  # See: https://github.com/NixOS/nixpkgs/issues/116361
+  systemdPatched = systemd.overrideAttrs ({ patches ? [ ], ... }: {
+    patches = patches ++ [ ./systemd.patch ];
+  });
+in
+appimageTools.wrapType2 rec {
+  inherit name src;
+
+  extraPkgs = pkgs: [ systemdPatched ];
+
+  extraInstallCommands = ''
+    mv $out/bin/${name} $out/bin/${pname}
+    install -m 444 -D ${appimageContents}/ledger-live-desktop.desktop $out/share/applications/ledger-live-desktop.desktop
+    install -m 444 -D ${appimageContents}/ledger-live-desktop.png $out/share/icons/hicolor/1024x1024/apps/ledger-live-desktop.png
+    ${imagemagick}/bin/convert ${appimageContents}/ledger-live-desktop.png -resize 512x512 ledger-live-desktop_512.png
+    install -m 444 -D ledger-live-desktop_512.png $out/share/icons/hicolor/512x512/apps/ledger-live-desktop.png
+    substituteInPlace $out/share/applications/ledger-live-desktop.desktop \
+      --replace 'Exec=AppRun' 'Exec=${pname}'
+  '';
+
+  meta = with lib; {
+    description = "Wallet app for Ledger Nano S and Ledger Blue";
+    homepage = "https://www.ledger.com/live";
+    license = licenses.mit;
+    maintainers = with maintainers; [ andresilva thedavidmeister nyanloutre RaghavSood th0rgal ];
+    platforms = [ "x86_64-linux" ];
+  };
+}
diff --git a/pkgs/applications/blockchains/ledger-live-desktop/systemd.patch b/pkgs/applications/blockchains/ledger-live-desktop/systemd.patch
new file mode 100644
index 00000000000..a70053d7118
--- /dev/null
+++ b/pkgs/applications/blockchains/ledger-live-desktop/systemd.patch
@@ -0,0 +1,14 @@
+diff --git a/src/libsystemd/sd-device/device-monitor.c b/src/libsystemd/sd-device/device-monitor.c
+index fd5900704d..f9106fdbe5 100644
+--- a/src/libsystemd/sd-device/device-monitor.c
++++ b/src/libsystemd/sd-device/device-monitor.c
+@@ -445,9 +445,6 @@ int device_monitor_receive_device(sd_device_monitor *m, sd_device **ret) {
+                                        "sd-device-monitor: No sender credentials received, message ignored.");
+ 
+         cred = (struct ucred*) CMSG_DATA(cmsg);
+-        if (cred->uid != 0)
+-                return log_debug_errno(SYNTHETIC_ERRNO(EAGAIN),
+-                                       "sd-device-monitor: Sender uid="UID_FMT", message ignored.", cred->uid);
+
+         if (streq(buf.raw, "libudev")) {
+                 /* udev message needs proper version magic */
diff --git a/pkgs/applications/blockchains/lightning-loop/default.nix b/pkgs/applications/blockchains/lightning-loop/default.nix
new file mode 100644
index 00000000000..2f4caad3255
--- /dev/null
+++ b/pkgs/applications/blockchains/lightning-loop/default.nix
@@ -0,0 +1,27 @@
+{ buildGoModule
+, fetchFromGitHub
+, lib
+}:
+
+buildGoModule rec {
+  pname = "lightning-loop";
+  version = "0.17.0-beta";
+
+  src = fetchFromGitHub {
+    owner = "lightninglabs";
+    repo = "loop";
+    rev = "v${version}";
+    sha256 = "0hjawagn1dfgj67i52bvf3phvm9f9708z3jqs6cvyz0w7vp107py";
+  };
+
+  vendorSha256 = "1fpc73hwdn3baz5ykrykvqdr5861gj9p6liy8qll5525kdv560f6";
+
+  subPackages = [ "cmd/loop" "cmd/loopd" ];
+
+  meta = with lib; {
+    description = "Lightning Loop Client";
+    homepage = "https://github.com/lightninglabs/loop";
+    license = licenses.mit;
+    maintainers = with maintainers; [ proofofkeags prusnak ];
+  };
+}
diff --git a/pkgs/applications/blockchains/lightning-pool/default.nix b/pkgs/applications/blockchains/lightning-pool/default.nix
new file mode 100644
index 00000000000..ccb65fb0fd8
--- /dev/null
+++ b/pkgs/applications/blockchains/lightning-pool/default.nix
@@ -0,0 +1,27 @@
+{ buildGoModule
+, fetchFromGitHub
+, lib
+}:
+
+buildGoModule rec {
+  pname = "lightning-pool";
+  version = "0.5.3-alpha";
+
+  src = fetchFromGitHub {
+    owner = "lightninglabs";
+    repo = "pool";
+    rev = "v${version}";
+    sha256 = "1nc3hksk9qcxrsyqpz9vcfc8x093rc8yx8ppfk177j9fhdnn8bk7";
+  };
+
+  vendorSha256 = "09yxaa74814l1rp0arqhqpplr2j0p8dj81zqcbxlwp5ckjv9r2za";
+
+  subPackages = [ "cmd/pool" "cmd/poold" ];
+
+  meta = with lib; {
+    description = "Lightning Pool Client";
+    homepage = "https://github.com/lightninglabs/pool";
+    license = licenses.mit;
+    maintainers = with maintainers; [ proofofkeags prusnak ];
+  };
+}
diff --git a/pkgs/applications/blockchains/lightwalletd/default.nix b/pkgs/applications/blockchains/lightwalletd/default.nix
new file mode 100644
index 00000000000..43af8491210
--- /dev/null
+++ b/pkgs/applications/blockchains/lightwalletd/default.nix
@@ -0,0 +1,37 @@
+{ buildGoModule, fetchFromGitHub, lib }:
+
+buildGoModule rec {
+  pname = "lightwalletd";
+  version = "0.4.9";
+
+  src = fetchFromGitHub {
+    owner = "zcash";
+    repo  = "lightwalletd";
+    rev = "v${version}";
+    sha256 = "sha256-IksA06V+mP7ZAXXFYLKLacxrDXeMXHAk5w4t7pmobq4=";
+  };
+
+  vendorSha256 = null;
+
+  ldflags = [
+    "-s" "-w"
+    "-X github.com/zcash/lightwalletd/common.Version=v${version}"
+    "-X github.com/zcash/lightwalletd/common.GitCommit=v${version}"
+    "-X github.com/zcash/lightwalletd/common.BuildDate=1970-01-01"
+    "-X github.com/zcash/lightwalletd/common.BuildUser=nixbld"
+  ];
+
+  postFixup = ''
+    shopt -s extglob
+    cd $out/bin
+    rm !(lightwalletd)
+  '';
+
+  meta = with lib; {
+    description = "A backend service that provides a bandwidth-efficient interface to the Zcash blockchain";
+    homepage = "https://github.com/zcash/lightwalletd";
+    maintainers = with maintainers; [ centromere ];
+    license = licenses.mit;
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/applications/blockchains/litecoin/default.nix b/pkgs/applications/blockchains/litecoin/default.nix
new file mode 100644
index 00000000000..c80ef342c75
--- /dev/null
+++ b/pkgs/applications/blockchains/litecoin/default.nix
@@ -0,0 +1,55 @@
+{ lib, stdenv, mkDerivation, fetchFromGitHub
+, pkg-config, autoreconfHook
+, openssl, db48, boost, zlib, miniupnpc
+, glib, protobuf, util-linux, qrencode
+, AppKit
+, withGui ? true, libevent
+, qtbase, qttools
+, zeromq
+}:
+
+with lib;
+
+mkDerivation rec {
+
+  name = "litecoin" + (toString (optional (!withGui) "d")) + "-" + version;
+  version = "0.18.1";
+
+  src = fetchFromGitHub {
+    owner = "litecoin-project";
+    repo = "litecoin";
+    rev = "v${version}";
+    sha256 = "11753zhyx1kmrlljc6kbjwrcb06dfcrsqvmw3iaki9a132qk6l5c";
+  };
+
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
+  buildInputs = [ openssl db48 boost zlib zeromq
+                  miniupnpc glib protobuf util-linux libevent ]
+                  ++ optionals stdenv.isDarwin [ AppKit ]
+                  ++ optionals withGui [ qtbase qttools qrencode ];
+
+  configureFlags = [ "--with-boost-libdir=${boost.out}/lib" ]
+                   ++ optionals withGui [
+                      "--with-gui=qt5"
+                      "--with-qt-bindir=${qtbase.dev}/bin:${qttools.dev}/bin" ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "A lite version of Bitcoin using scrypt as a proof-of-work algorithm";
+    longDescription= ''
+      Litecoin is a peer-to-peer Internet currency that enables instant payments
+      to anyone in the world. It is based on the Bitcoin protocol but differs
+      from Bitcoin in that it can be efficiently mined with consumer-grade hardware.
+      Litecoin provides faster transaction confirmations (2.5 minutes on average)
+      and uses a memory-hard, scrypt-based mining proof-of-work algorithm to target
+      the regular computers and GPUs most people already have.
+      The Litecoin network is scheduled to produce 84 million currency units.
+    '';
+    homepage = "https://litecoin.org/";
+    platforms = platforms.unix;
+    license = licenses.mit;
+    broken = stdenv.isDarwin;
+    maintainers = with maintainers; [ offline ];
+  };
+}
diff --git a/pkgs/applications/blockchains/lnd/default.nix b/pkgs/applications/blockchains/lnd/default.nix
new file mode 100644
index 00000000000..198fdb0cf43
--- /dev/null
+++ b/pkgs/applications/blockchains/lnd/default.nix
@@ -0,0 +1,40 @@
+{ buildGoModule
+, fetchFromGitHub
+, lib
+, tags ? [ "autopilotrpc" "signrpc" "walletrpc" "chainrpc" "invoicesrpc" "watchtowerrpc" "routerrpc" "monitoring" "kvdb_postgres" "kvdb_etcd" ]
+}:
+
+buildGoModule rec {
+  pname = "lnd";
+  version = "0.14.2-beta";
+
+  src = fetchFromGitHub {
+    owner = "lightningnetwork";
+    repo = "lnd";
+    rev = "v${version}";
+    sha256 = "sha256-JOKitxxWcTlGlxYR1XpySZlI2fT9jgBrOxNUwT/sqdQ=";
+  };
+
+  vendorSha256 = "sha256-shDmJcEyobY7Ih1MHMEY2GQnzAffsH/y4J1bme/bT7I=";
+
+  subPackages = [ "cmd/lncli" "cmd/lnd" ];
+
+  preBuild = let
+    buildVars = {
+      RawTags = lib.concatStringsSep "," tags;
+      GoVersion = "$(go version | egrep -o 'go[0-9]+[.][^ ]*')";
+    };
+    buildVarsFlags = lib.concatStringsSep " " (lib.mapAttrsToList (k: v: "-X github.com/lightningnetwork/lnd/build.${k}=${v}") buildVars);
+  in
+  lib.optionalString (tags != []) ''
+    buildFlagsArray+=("-tags=${lib.concatStringsSep " " tags}")
+    buildFlagsArray+=("-ldflags=${buildVarsFlags}")
+  '';
+
+  meta = with lib; {
+    description = "Lightning Network Daemon";
+    homepage = "https://github.com/lightningnetwork/lnd";
+    license = licenses.mit;
+    maintainers = with maintainers; [ cypherpunk2140 prusnak ];
+  };
+}
diff --git a/pkgs/applications/blockchains/lndconnect/default.nix b/pkgs/applications/blockchains/lndconnect/default.nix
new file mode 100644
index 00000000000..64a8da8b971
--- /dev/null
+++ b/pkgs/applications/blockchains/lndconnect/default.nix
@@ -0,0 +1,25 @@
+{ lib, buildGoPackage, fetchFromGitHub }:
+buildGoPackage rec {
+  pname = "lndconnect";
+  version = "0.2.0";
+
+  goPackagePath = "github.com/LN-Zap/lndconnect";
+
+  src = fetchFromGitHub {
+    owner = "LN-Zap";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0zp23vp4i4csc6x1b6z39rqcmknxd508x6clr8ckdj2fwjwkyf5a";
+  };
+
+  goDeps = ./deps.nix;
+
+  meta = with lib; {
+    description = "Generate QRCode to connect apps to lnd Resources";
+    license = licenses.mit;
+    homepage = "https://github.com/LN-Zap/lndconnect";
+    maintainers = [ maintainers.d-xo ];
+    platforms = platforms.linux;
+  };
+}
+
diff --git a/pkgs/applications/blockchains/lndconnect/deps.nix b/pkgs/applications/blockchains/lndconnect/deps.nix
new file mode 100644
index 00000000000..5a31f0d5705
--- /dev/null
+++ b/pkgs/applications/blockchains/lndconnect/deps.nix
@@ -0,0 +1,129 @@
+[
+  {
+    goPackagePath = "github.com/Baozisoftware/qrcode-terminal-go";
+    fetch = {
+      type = "git";
+      url = "https://github.com/Baozisoftware/qrcode-terminal-go";
+      rev = "c0650d8dff0f053901ff16185217b950d5e7743c";
+      sha256 = "166h9zy9y7ygayhybg7d080hpdcf1mvkf3rwnq5lqg8i3cg71s7b";
+    };
+  }
+  {
+    goPackagePath = "github.com/btcsuite/btcd";
+    fetch = {
+      type = "git";
+      url = "https://github.com/btcsuite/btcd";
+      rev = "e9a51e8dcd673c563a549676ebd4384b0318a9b7";
+      sha256 = "053pdhhycls7cpygg4rhc0y2p937ni4cgxylgxd1zpwffqdjsxrs";
+    };
+  }
+  {
+    goPackagePath = "github.com/btcsuite/btclog";
+    fetch = {
+      type = "git";
+      url = "https://github.com/btcsuite/btclog";
+      rev = "84c8d2346e9fc8c7b947e243b9c24e6df9fd206a";
+      sha256 = "02dl46wcnfpg9sqvg0ipipkpnd7lrf4fnvb9zy56jqa7mfcwc7wk";
+    };
+  }
+  {
+    goPackagePath = "github.com/btcsuite/btcutil";
+    fetch = {
+      type = "git";
+      url = "https://github.com/btcsuite/btcutil";
+      rev = "063c4115b3a9a7201e82447875383890698abcb6";
+      sha256 = "12dpy5ipmd751xb71hcmrl9xyl89r5rflnrvypnz1irairfqwjwm";
+    };
+  }
+  {
+    goPackagePath = "github.com/glendc/go-external-ip";
+    fetch = {
+      type = "git";
+      url = "https://github.com/glendc/go-external-ip";
+      rev = "c872357d968e33d5d9c47ea2c603f3b411150ecc";
+      sha256 = "1h9cdhab4fapa2p1r8sgl1pxv4qi1zskw8x0pj93a81y03zzr2l1";
+    };
+  }
+  {
+    goPackagePath = "github.com/jessevdk/go-flags";
+    fetch = {
+      type = "git";
+      url = "https://github.com/jessevdk/go-flags";
+      rev = "c17162fe8fd74f119ff938c5c67af63e3bac5ded";
+      sha256 = "0byp3f79b0399n7g6nm59afb6gj9cknfqgfqadvpppv7lvnd34jf";
+    };
+  }
+  {
+    goPackagePath = "github.com/lightningnetwork/lnd";
+    fetch = {
+      type = "git";
+      url = "https://github.com/lightningnetwork/lnd";
+      rev = "fd962d322ae2a913cc357dbb63382f22a9a0a6ce";
+      sha256 = "0yj2vqb9qg5v0rbchkpwhhw51rp31z76zchhhbc837sz8l8lryra";
+    };
+  }
+  {
+    goPackagePath = "github.com/mattn/go-colorable";
+    fetch = {
+      type = "git";
+      url = "https://github.com/mattn/go-colorable";
+      rev = "f6c00982823144337e56cdb71c712eaac151d29c";
+      sha256 = "08y5c01bvyqxraj3wc0di80gbp87178rsshb74x0p3m7wwfv82l3";
+    };
+  }
+  {
+    goPackagePath = "github.com/mattn/go-isatty";
+    fetch = {
+      type = "git";
+      url = "https://github.com/mattn/go-isatty";
+      rev = "cb30d6282491c185f77d9bec5d25de1bb61a06bc";
+      sha256 = "0v59mv94acd2m72q8adhigxkx1vn38l5h0d8hp0nxga2v9f3v8kd";
+    };
+  }
+  {
+    goPackagePath = "github.com/miekg/dns";
+    fetch = {
+      type = "git";
+      url = "https://github.com/miekg/dns";
+      rev = "7a5f1127f7f4e461b7400d6a9df1bc523e7448fd";
+      sha256 = "1xwg6zwlxwkm1x121b3idir76h7wr9wmcdmg4vgj9hma903s63md";
+    };
+  }
+  {
+    goPackagePath = "github.com/skip2/go-qrcode";
+    fetch = {
+      type = "git";
+      url = "https://github.com/skip2/go-qrcode";
+      rev = "da1b6568686e89143e94f980a98bc2dbd5537f13";
+      sha256 = "0pghd6y2x8a5fqy4rjn4d8j5jcslb236naycdza5an7vyvinsgs9";
+    };
+  }
+  {
+    goPackagePath = "golang.org/x/crypto";
+    fetch = {
+      type = "git";
+      url = "https://go.googlesource.com/crypto";
+      rev = "5c72a883971a4325f8c62bf07b6d38c20ea47a6a";
+      sha256 = "1cimmqpajys001x6yq8ycklc4w34y7iwrksv7ayv7m7fgzhcjn3d";
+    };
+  }
+  {
+    goPackagePath = "golang.org/x/net";
+    fetch = {
+      type = "git";
+      url = "https://go.googlesource.com/net";
+      rev = "05aa5d4ee32165add31ddef9d5d3946713e5dc5e";
+      sha256 = "1v532mdb32h2gan6lc9ssya2v1lk6nzyzqvxn5nkbxij9x4v1jkl";
+    };
+  }
+  {
+    goPackagePath = "golang.org/x/sys";
+    fetch = {
+      type = "git";
+      url = "https://go.googlesource.com/sys";
+      rev = "9d91bd62050c7b3011b7df0d2a4daa0042684420";
+      sha256 = "0d2jjd7r0zwakd1d2g2qm59w6jc6sgg0sal5gc626i8nn9adj2jg";
+    };
+  }
+]
+
diff --git a/pkgs/applications/blockchains/lndmanage/default.nix b/pkgs/applications/blockchains/lndmanage/default.nix
new file mode 100644
index 00000000000..ebbe653c96b
--- /dev/null
+++ b/pkgs/applications/blockchains/lndmanage/default.nix
@@ -0,0 +1,44 @@
+{ lib, fetchFromGitHub, python3Packages }:
+
+python3Packages.buildPythonApplication rec {
+  pname = "lndmanage";
+  version = "0.14.0";
+
+  src = fetchFromGitHub {
+    owner = "bitromortac";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-wPr/R+WGACyhv2Qh9JeLJwvr2vQfxpqj2XjEkrRoSX4=";
+  };
+
+  propagatedBuildInputs = with python3Packages; [
+    cycler
+    decorator
+    googleapis-common-protos
+    grpcio
+    grpcio-tools
+    kiwisolver
+    networkx
+    numpy
+    protobuf
+    pyparsing
+    python-dateutil
+    six
+    pygments
+  ];
+
+  preBuild = ''
+    substituteInPlace setup.py --replace '==' '>='
+  '';
+
+  preCheck = ''
+    export HOME=$(mktemp -d)
+  '';
+
+  meta = with lib; {
+    description = "Channel management tool for lightning network daemon (LND) operators";
+    homepage = "https://github.com/bitromortac/lndmanage";
+    license = licenses.mit;
+    maintainers = with maintainers; [ mmilata ];
+  };
+}
diff --git a/pkgs/applications/blockchains/masari/default.nix b/pkgs/applications/blockchains/masari/default.nix
new file mode 100644
index 00000000000..bf995da36af
--- /dev/null
+++ b/pkgs/applications/blockchains/masari/default.nix
@@ -0,0 +1,25 @@
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, unbound, openssl, boost
+, lmdb, miniupnpc, readline }:
+
+stdenv.mkDerivation rec {
+  pname = "masari";
+  version = "0.1.4.0";
+
+  src = fetchFromGitHub {
+    owner = "masari-project";
+    repo = "masari";
+    rev = "v${version}";
+    sha256 = "0l6i21wkq5f6z8xr756i7vqgkzk7lixaa31ydy34fkfcqxppgxz3";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config ];
+  buildInputs = [ boost miniupnpc openssl lmdb unbound readline ];
+
+  meta = with lib; {
+    description = "scalability-focused, untraceable, secure, and fungible cryptocurrency using the RingCT protocol";
+    homepage = "https://www.getmasari.org/";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ fpletz ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/applications/blockchains/miniscript/default.nix b/pkgs/applications/blockchains/miniscript/default.nix
new file mode 100644
index 00000000000..0520101c4cc
--- /dev/null
+++ b/pkgs/applications/blockchains/miniscript/default.nix
@@ -0,0 +1,29 @@
+{ stdenv, lib, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "miniscript";
+  version = "unstable-2020-12-01";
+
+  src = fetchFromGitHub {
+    owner = "sipa";
+    repo = pname;
+    rev = "02682a398a35b410571b10cde7f39837141ddad6";
+    sha256 = "079jz4g88cfzfm9a6ykby9haxwcs033c1288mgr8cl2hw4qd2sjl";
+  };
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin
+    cp miniscript $out/bin/miniscript
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description     = "Compiler and inspector for the miniscript Bitcoin policy language";
+    longDescription = "Miniscript is a language for writing (a subset of) Bitcoin Scripts in a structured way, enabling analysis, composition, generic signing and more.";
+    homepage        = "http://bitcoin.sipa.be/miniscript/";
+    license         = licenses.mit;
+    platforms       = platforms.linux;
+    maintainers     = with maintainers; [ RaghavSood jb55 ];
+  };
+}
diff --git a/pkgs/applications/blockchains/monero-cli/default.nix b/pkgs/applications/blockchains/monero-cli/default.nix
new file mode 100644
index 00000000000..40ce59f92d6
--- /dev/null
+++ b/pkgs/applications/blockchains/monero-cli/default.nix
@@ -0,0 +1,60 @@
+{ lib, stdenv, fetchFromGitHub, fetchpatch
+, cmake, pkg-config
+, boost, miniupnpc, openssl, unbound
+, zeromq, pcsclite, readline, libsodium, hidapi
+, randomx, rapidjson
+, CoreData, IOKit, PCSC
+, trezorSupport ? true, libusb1, protobuf, python3
+}:
+
+stdenv.mkDerivation rec {
+  pname = "monero-cli";
+  version = "0.17.3.0";
+
+  src = fetchFromGitHub {
+    owner = "monero-project";
+    repo = "monero";
+    rev = "v${version}";
+    sha256 = "1spsf7m3x4psp9s7mivr6x4886jnbq4i8ll2dl8bv5bsdhcd3pjm";
+    fetchSubmodules = true;
+  };
+
+  patches = [
+    ./use-system-libraries.patch
+  ];
+
+  postPatch = ''
+    # remove vendored libraries
+    rm -r external/{miniupnp,randomx,rapidjson,unbound}
+    # export patched source for monero-gui
+    cp -r . $source
+  '';
+
+  nativeBuildInputs = [ cmake pkg-config ];
+
+  buildInputs = [
+    boost miniupnpc openssl unbound
+    zeromq pcsclite readline
+    libsodium hidapi randomx rapidjson
+    protobuf
+  ] ++ lib.optionals stdenv.isDarwin [ IOKit CoreData PCSC ]
+    ++ lib.optionals trezorSupport [ libusb1 protobuf python3 ];
+
+  cmakeFlags = [
+    "-DCMAKE_BUILD_TYPE=Release"
+    "-DUSE_DEVICE_TREZOR=ON"
+    "-DBUILD_GUI_DEPS=ON"
+    "-DReadline_ROOT_DIR=${readline.dev}"
+    "-DRandomX_ROOT_DIR=${randomx}"
+  ] ++ lib.optional stdenv.isDarwin "-DBoost_USE_MULTITHREADED=OFF";
+
+  outputs = [ "out" "source" ];
+
+  meta = with lib; {
+    description = "Private, secure, untraceable currency";
+    homepage    = "https://getmonero.org/";
+    license     = licenses.bsd3;
+    platforms   = platforms.all;
+    maintainers = with maintainers; [ rnhmjoj ];
+  };
+}
diff --git a/pkgs/applications/blockchains/monero-cli/use-system-libraries.patch b/pkgs/applications/blockchains/monero-cli/use-system-libraries.patch
new file mode 100644
index 00000000000..5d3e3561d55
--- /dev/null
+++ b/pkgs/applications/blockchains/monero-cli/use-system-libraries.patch
@@ -0,0 +1,52 @@
+diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
+index 5b7f69a56..5536debe8 100644
+--- a/external/CMakeLists.txt
++++ b/external/CMakeLists.txt
+@@ -36,22 +36,9 @@
+ # others.
+ 
+ find_package(Miniupnpc REQUIRED)
+-
+-message(STATUS "Using in-tree miniupnpc")
+-set(UPNPC_NO_INSTALL TRUE CACHE BOOL "Disable miniupnp installation" FORCE)
+-add_subdirectory(miniupnp/miniupnpc)
+-set_property(TARGET libminiupnpc-static PROPERTY FOLDER "external")
+-set_property(TARGET libminiupnpc-static PROPERTY POSITION_INDEPENDENT_CODE ON)
+-if(MSVC)
+-  set_property(TARGET libminiupnpc-static APPEND_STRING PROPERTY COMPILE_FLAGS " -wd4244 -wd4267")
+-elseif(NOT MSVC)
+-  set_property(TARGET libminiupnpc-static APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-undef -Wno-unused-result -Wno-unused-value")
+-endif()
+-if(CMAKE_SYSTEM_NAME MATCHES "NetBSD")
+-	set_property(TARGET libminiupnpc-static APPEND_STRING PROPERTY COMPILE_FLAGS " -D_NETBSD_SOURCE")
+-endif()
+-
+-set(UPNP_LIBRARIES "libminiupnpc-static" PARENT_SCOPE)
++set(UPNP_STATIC false PARENT_SCOPE)
++set(UPNP_INCLUDE ${MINIUPNP_INCLUDE_DIR} PARENT_SCOPE)
++set(UPNP_LIBRARIES ${MINIUPNP_LIBRARY} PARENT_SCOPE)
+ 
+ find_package(Unbound)
+ 
+@@ -69,4 +56,3 @@ endif()
+ add_subdirectory(db_drivers)
+ add_subdirectory(easylogging++)
+ add_subdirectory(qrcodegen)
+-add_subdirectory(randomx EXCLUDE_FROM_ALL)
+diff --git a/src/p2p/net_node.inl b/src/p2p/net_node.inl
+index d4b39869c..13071d898 100644
+--- a/src/p2p/net_node.inl
++++ b/src/p2p/net_node.inl
+@@ -61,9 +61,9 @@
+ #include "cryptonote_core/cryptonote_core.h"
+ #include "net/parse.h"
+ 
+-#include <miniupnp/miniupnpc/miniupnpc.h>
+-#include <miniupnp/miniupnpc/upnpcommands.h>
+-#include <miniupnp/miniupnpc/upnperrors.h>
++#include <miniupnpc/miniupnpc.h>
++#include <miniupnpc/upnpcommands.h>
++#include <miniupnpc/upnperrors.h>
+ 
+ #undef MONERO_DEFAULT_LOG_CATEGORY
+ #define MONERO_DEFAULT_LOG_CATEGORY "net.p2p"
diff --git a/pkgs/applications/blockchains/monero-gui/default.nix b/pkgs/applications/blockchains/monero-gui/default.nix
new file mode 100644
index 00000000000..dfc5f8b326c
--- /dev/null
+++ b/pkgs/applications/blockchains/monero-gui/default.nix
@@ -0,0 +1,103 @@
+{ lib, stdenv, wrapQtAppsHook, makeDesktopItem
+, fetchFromGitHub
+, cmake, qttools, pkg-config
+, qtbase, qtdeclarative, qtgraphicaleffects
+, qtmultimedia, qtxmlpatterns
+, qtquickcontrols, qtquickcontrols2
+, qtmacextras
+, monero-cli, miniupnpc, unbound, readline
+, boost, libunwind, libsodium, pcsclite
+, randomx, zeromq, libgcrypt, libgpg-error
+, hidapi, rapidjson, quirc
+, trezorSupport ? true, libusb1, protobuf, python3
+}:
+
+stdenv.mkDerivation rec {
+  pname = "monero-gui";
+  version = "0.17.3.1";
+
+  src = fetchFromGitHub {
+    owner  = "monero-project";
+    repo   = "monero-gui";
+    rev    = "v${version}";
+    sha256 = "sha256-RrchaqFmL4W9F8DhZfvxm7mHMkx/OX8K9e8uNFXWubo=";
+  };
+
+  nativeBuildInputs = [
+    cmake pkg-config wrapQtAppsHook
+    (lib.getDev qttools)
+  ];
+
+  buildInputs = [
+    qtbase qtdeclarative qtgraphicaleffects
+    qtmultimedia qtquickcontrols qtquickcontrols2
+    qtxmlpatterns
+    monero-cli miniupnpc unbound readline
+    randomx libgcrypt libgpg-error
+    boost libunwind libsodium pcsclite
+    zeromq hidapi rapidjson quirc
+  ] ++ lib.optionals trezorSupport [ libusb1 protobuf python3 ]
+    ++ lib.optionals stdenv.isDarwin [ qtmacextras ];
+
+  postUnpack = ''
+    # copy monero sources here
+    # (needs to be writable)
+    cp -r ${monero-cli.source}/* source/monero
+    chmod -R +w source/monero
+  '';
+
+  patches = [
+    ./move-log-file.patch
+    ./use-system-libquirc.patch
+  ];
+
+  postPatch = ''
+    # set monero-gui version
+    substituteInPlace src/version.js.in \
+       --replace '@VERSION_TAG_GUI@' '${version}'
+
+    # use monerod from the monero package
+    substituteInPlace src/daemon/DaemonManager.cpp \
+      --replace 'QApplication::applicationDirPath() + "' '"${monero-cli}/bin'
+
+    # 1: only build external deps, *not* the full monero
+    # 2: use nixpkgs libraries
+    substituteInPlace CMakeLists.txt \
+      --replace 'add_subdirectory(monero)' \
+                'add_subdirectory(monero EXCLUDE_FROM_ALL)' \
+      --replace 'add_subdirectory(external)' ""
+  '';
+
+  cmakeFlags = [ "-DARCH=default" ];
+
+  desktopItem = makeDesktopItem {
+    name = "monero-wallet-gui";
+    exec = "monero-wallet-gui";
+    icon = "monero";
+    desktopName = "Monero";
+    genericName = "Wallet";
+    categories  = [ "Network" "Utility" ];
+  };
+
+  postInstall = ''
+    # install desktop entry
+    install -Dm644 -t $out/share/applications \
+      ${desktopItem}/share/applications/*
+
+    # install icons
+    for n in 16 24 32 48 64 96 128 256; do
+      size=$n"x"$n
+      install -Dm644 \
+        -t $out/share/icons/hicolor/$size/apps/monero.png \
+        $src/images/appicons/$size.png
+    done;
+  '';
+
+  meta = with lib; {
+    description  = "Private, secure, untraceable currency";
+    homepage     = "https://getmonero.org/";
+    license      = licenses.bsd3;
+    platforms    = platforms.all;
+    maintainers  = with maintainers; [ rnhmjoj ];
+  };
+}
diff --git a/pkgs/applications/blockchains/monero-gui/move-log-file.patch b/pkgs/applications/blockchains/monero-gui/move-log-file.patch
new file mode 100644
index 00000000000..6d3313624e3
--- /dev/null
+++ b/pkgs/applications/blockchains/monero-gui/move-log-file.patch
@@ -0,0 +1,14 @@
+diff --git a/src/main/main.cpp b/src/main/main.cpp
+index c5210e5f..45794d72 100644
+--- a/src/main/main.cpp
++++ b/src/main/main.cpp
+@@ -220,6 +220,9 @@ int main(int argc, char *argv[])
+     QCommandLineOption logPathOption(QStringList() << "l" << "log-file",
+         QCoreApplication::translate("main", "Log to specified file"),
+         QCoreApplication::translate("main", "file"));
++    logPathOption.setDefaultValue(
++        QStandardPaths::writableLocation(QStandardPaths::CacheLocation)
++        + "/monero-wallet-gui.log");
+ 
+     QCommandLineOption testQmlOption("test-qml");
+     testQmlOption.setFlags(QCommandLineOption::HiddenFromHelp);
diff --git a/pkgs/applications/blockchains/monero-gui/use-system-libquirc.patch b/pkgs/applications/blockchains/monero-gui/use-system-libquirc.patch
new file mode 100644
index 00000000000..b60057294b1
--- /dev/null
+++ b/pkgs/applications/blockchains/monero-gui/use-system-libquirc.patch
@@ -0,0 +1,37 @@
+diff --git a/src/QR-Code-scanner/CMakeLists.txt b/src/QR-Code-scanner/CMakeLists.txt
+index 15e288df..2e9b3305 100644
+--- a/src/QR-Code-scanner/CMakeLists.txt
++++ b/src/QR-Code-scanner/CMakeLists.txt
+@@ -1,11 +1,18 @@
++find_library(QUIRC_LIBRARY quirc REQUIRED)
++find_path(QUIRC_INCLUDE_DIR quirc.h REQUIRED)
++
+ add_library(qrdecoder STATIC
+     Decoder.cpp
+ )
++target_include_directories(qrdecoder
++    PUBLIC
++        ${QUIRC_INCLUDE_DIR}
++)
+ target_link_libraries(qrdecoder
+     PUBLIC
+         Qt5::Gui
+     PRIVATE
+-        quirc
++        ${QUIRC_LIBRARY}
+ )
+ 
+ if(WITH_SCANNER)
+diff --git a/src/QR-Code-scanner/Decoder.cpp b/src/QR-Code-scanner/Decoder.cpp
+index 1bb99140..353ca189 100644
+--- a/src/QR-Code-scanner/Decoder.cpp
++++ b/src/QR-Code-scanner/Decoder.cpp
+@@ -30,7 +30,7 @@
+ 
+ #include <limits>
+ 
+-#include "quirc.h"
++#include <quirc.h>
+ 
+ QrDecoder::QrDecoder()
+     : m_qr(quirc_new())
diff --git a/pkgs/applications/blockchains/mycrypto/default.nix b/pkgs/applications/blockchains/mycrypto/default.nix
new file mode 100644
index 00000000000..ee7960a843b
--- /dev/null
+++ b/pkgs/applications/blockchains/mycrypto/default.nix
@@ -0,0 +1,59 @@
+{ lib, appimageTools, fetchurl, makeDesktopItem
+, gsettings-desktop-schemas, gtk3
+}:
+
+let
+  pname = "MyCrypto";
+  version = "1.7.17";
+  sha256 = "20eb48989b5ae5e60e438eff6830ac79a0d89ac26dff058097260e747e866444"; # Taken from release's checksums.txt.gpg
+  name = "${pname}-${version}";
+
+  src = fetchurl {
+    url = "https://github.com/mycryptohq/mycrypto/releases/download/${version}/linux-x86-64_${version}_MyCrypto.AppImage";
+    inherit sha256;
+  };
+
+  appimageContents = appimageTools.extractType2 {
+    inherit name src;
+  };
+
+  desktopItem = makeDesktopItem {
+    name = pname;
+    desktopName = pname;
+    comment = "MyCrypto is a free, open-source interface for interacting with the blockchain";
+    exec = pname;
+    icon = "mycrypto";
+    categories = [ "Finance" ];
+  };
+
+in appimageTools.wrapType2 rec {
+  inherit name src;
+
+  profile = ''
+    export XDG_DATA_DIRS=${gsettings-desktop-schemas}/share/gsettings-schemas/${gsettings-desktop-schemas.name}:${gtk3}/share/gsettings-schemas/${gtk3.name}:$XDG_DATA_DIRS
+  '';
+
+  multiPkgs = null; # no p32bit needed
+  extraPkgs = appimageTools.defaultFhsEnvArgs.multiPkgs;
+
+  extraInstallCommands = ''
+    mv $out/bin/{${name},${pname}}
+
+    mkdir -p $out/share
+    cp -rt $out/share ${desktopItem}/share/applications ${appimageContents}/usr/share/icons
+    chmod -R +w $out/share
+    mv $out/share/icons/hicolor/{0x0,256x256}
+  '';
+
+  meta = with lib; {
+    description = "A free, open-source interface for interacting with the blockchain";
+    longDescription = ''
+      MyCrypto is an open-source, client-side tool for generating ether wallets,
+      handling ERC-20 tokens, and interacting with the blockchain more easily.
+    '';
+    homepage = "https://mycrypto.com";
+    license = licenses.mit;
+    platforms = [ "x86_64-linux" ];
+    maintainers = with maintainers; [ oxalica ];
+  };
+}
diff --git a/pkgs/applications/blockchains/namecoin/default.nix b/pkgs/applications/blockchains/namecoin/default.nix
new file mode 100644
index 00000000000..1851c581c9a
--- /dev/null
+++ b/pkgs/applications/blockchains/namecoin/default.nix
@@ -0,0 +1,48 @@
+{ lib, stdenv, fetchFromGitHub, openssl, boost, libevent, autoreconfHook, db4, miniupnpc, eject, pkg-config, qt4, protobuf, qrencode, hexdump
+, withGui }:
+
+with lib;
+stdenv.mkDerivation rec {
+  version = "nc22.0";
+  name = "namecoin" + toString (optional (!withGui) "d") + "-" + version;
+
+  src = fetchFromGitHub {
+    owner = "namecoin";
+    repo = "namecoin-core";
+    rev = version;
+    sha256 = "sha256-Z3CLDe0c4IpFPPTie8yoh0kcuvGmiegSgl4ITNSDkgY=";
+  };
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+    hexdump
+  ];
+
+  buildInputs = [
+    openssl
+    boost
+    libevent
+    db4
+    miniupnpc
+    eject
+  ] ++ optionals withGui [
+    qt4
+    protobuf
+    qrencode
+  ];
+
+  enableParallelBuilding = true;
+
+  configureFlags = [
+    "--with-boost-libdir=${boost.out}/lib"
+  ];
+
+  meta = {
+    description = "Decentralized open source information registration and transfer system based on the Bitcoin cryptocurrency";
+    homepage = "https://namecoin.org";
+    license = licenses.mit;
+    maintainers = with maintainers; [ infinisil ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/applications/blockchains/nano-wallet/default.nix b/pkgs/applications/blockchains/nano-wallet/default.nix
new file mode 100644
index 00000000000..e13a77c7d24
--- /dev/null
+++ b/pkgs/applications/blockchains/nano-wallet/default.nix
@@ -0,0 +1,59 @@
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, wrapQtAppsHook, boost, libGL
+, qtbase, python3 }:
+
+stdenv.mkDerivation rec {
+
+  pname = "nano-wallet";
+  version = "21.3";
+
+  src = fetchFromGitHub {
+    owner = "nanocurrency";
+    repo = "nano-node";
+    rev = "V${version}";
+    sha256 = "0f6chl5vrzdr4w8g3nivfxk3qm6m11js401998afnhz0xaysm4pm";
+    fetchSubmodules = true;
+  };
+
+  cmakeFlags = let
+    options = {
+      PYTHON_EXECUTABLE = "${python3.interpreter}";
+      NANO_SHARED_BOOST = "ON";
+      BOOST_ROOT = boost;
+      RAIBLOCKS_GUI = "ON";
+      RAIBLOCKS_TEST = "ON";
+      Qt5_DIR = "${qtbase.dev}/lib/cmake/Qt5";
+      Qt5Core_DIR = "${qtbase.dev}/lib/cmake/Qt5Core";
+      Qt5Gui_INCLUDE_DIRS = "${qtbase.dev}/include/QtGui";
+      Qt5Widgets_INCLUDE_DIRS = "${qtbase.dev}/include/QtWidgets";
+    };
+    optionToFlag = name: value: "-D${name}=${value}";
+  in lib.mapAttrsToList optionToFlag options;
+
+  nativeBuildInputs = [ cmake pkg-config wrapQtAppsHook ];
+  buildInputs = [ boost libGL qtbase ];
+
+  strictDeps = true;
+
+  buildPhase = ''
+    runHook preBuild
+    make nano_wallet
+    runHook postBuild
+  '';
+
+  checkPhase = ''
+    runHook preCheck
+    ./core_test
+    runHook postCheck
+  '';
+
+  meta = {
+    description = "Wallet for Nano cryptocurrency";
+    homepage = "https://nano.org/en/wallet/";
+    license = lib.licenses.bsd2;
+    # Fails on Darwin. See:
+    # https://github.com/NixOS/nixpkgs/pull/39295#issuecomment-386800962
+    platforms = lib.platforms.linux;
+    maintainers = with lib.maintainers; [ jluttine ];
+  };
+
+}
diff --git a/pkgs/applications/blockchains/nbxplorer/default.nix b/pkgs/applications/blockchains/nbxplorer/default.nix
new file mode 100644
index 00000000000..5b25afd587b
--- /dev/null
+++ b/pkgs/applications/blockchains/nbxplorer/default.nix
@@ -0,0 +1,30 @@
+{ lib, buildDotnetModule, fetchFromGitHub, dotnetCorePackages }:
+
+buildDotnetModule rec {
+  pname = "nbxplorer";
+  version = "2.2.20";
+
+  src = fetchFromGitHub {
+    owner = "dgarage";
+    repo = "NBXplorer";
+    rev = "v${version}";
+    sha256 = "sha256-C3REnfecNwf3dtk6aLYAEsedHRlIrQZAokXtf6KI8U0=";
+  };
+
+  projectFile = "NBXplorer/NBXplorer.csproj";
+  nugetDeps = ./deps.nix;
+
+  dotnet-sdk = dotnetCorePackages.sdk_6_0;
+  dotnet-runtime = dotnetCorePackages.aspnetcore_6_0;
+
+  postFixup = ''
+    mv $out/bin/{NBXplorer,nbxplorer}
+  '';
+
+  meta = with lib; {
+    description = "Minimalist UTXO tracker for HD Cryptocurrency Wallets";
+    maintainers = with maintainers; [ kcalvinalvin earvstedt ];
+    license = licenses.mit;
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/applications/blockchains/nbxplorer/deps.nix b/pkgs/applications/blockchains/nbxplorer/deps.nix
new file mode 100644
index 00000000000..e794e0a976b
--- /dev/null
+++ b/pkgs/applications/blockchains/nbxplorer/deps.nix
@@ -0,0 +1,1082 @@
+{ fetchNuGet }: [
+  (fetchNuGet {
+    pname = "DBTrie";
+    version = "1.0.39";
+    sha256 = "0kbvl3kf73hrh1w2n3d2wshlxpqsv1pwydhwv2wxigmvs70fn1xp";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.AspNetCore.JsonPatch";
+    version = "6.0.1";
+    sha256 = "0rsqng2b8a3zaha9c2x1195das5wwvmnz31xf14ancgha4lxq68r";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.AspNetCore.Mvc.NewtonsoftJson";
+    version = "6.0.1";
+    sha256 = "179b2774s68im71r32lv4nydcp586x86zggs8ml6jcfjrd9fs5b1";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Azure.Amqp";
+    version = "2.4.9";
+    sha256 = "15kvklhfl17713kwin8p71lcxq2jx87bk1d8gsl597z3w6l4cqma";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Azure.ServiceBus";
+    version = "4.2.1";
+    sha256 = "0akxqds078p7djd5g95i9dh4wrlfarabkq2ybn614cqdgl4z0is5";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Azure.Services.AppAuthentication";
+    version = "1.0.3";
+    sha256 = "0as64agcsilwgbvwx7iw3abdxyp9cbfpczbagjz49mqmmgnqp899";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.CodeCoverage";
+    version = "16.11.0";
+    sha256 = "0f41l3kks6wk5vjaxpjh8m2flnrvlbvqgqflamhv8rfz4y8ifgdv";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.CSharp";
+    version = "4.0.1";
+    sha256 = "0zxc0apx1gcx361jlq8smc9pfdgmyjh6hpka8dypc9w23nlsh6yj";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.CSharp";
+    version = "4.3.0";
+    sha256 = "0gw297dgkh0al1zxvgvncqs0j15lsna9l1wpqas4rflmys440xvb";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.CSharp";
+    version = "4.7.0";
+    sha256 = "0gd67zlw554j098kabg887b5a6pq9kzavpa3jjy5w53ccjzjfy8j";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Extensions.Configuration.Abstractions";
+    version = "2.1.0";
+    sha256 = "03gzlr3z9j1xnr1k6y91zgxpz3pj27i3zsvjwj7i8jqnlqmk7pxd";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Extensions.Configuration.EnvironmentVariables";
+    version = "2.1.0";
+    sha256 = "0xx3idb1l5y1da5zynlys5gyarijmw5pc9hgci8xdxbrcv6rzbjb";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Extensions.Configuration.FileExtensions";
+    version = "2.1.0";
+    sha256 = "1lz2xwm63clbh9dfhmygbqvcp4dsrwh5jihv82dmqd5h7lqngl40";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Extensions.Configuration.Ini";
+    version = "2.1.0";
+    sha256 = "0bchsljywcq36si4zs2dcx2gj8x98ww93dh2bx2z6x5ilxyjnfip";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Extensions.Configuration";
+    version = "2.1.0";
+    sha256 = "04rjl38wlr1jjjpbzgf64jp0ql6sbzbil0brwq9mgr3hdgwd7vx2";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Extensions.FileProviders.Abstractions";
+    version = "2.1.0";
+    sha256 = "1sxls5f5cgb0wr8cwb05skqmz074683hrhmd3hhq6m5dasnzb8n3";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Extensions.FileProviders.Physical";
+    version = "2.1.0";
+    sha256 = "1firpsl5bk219i9gdfgiqw1zm68146h1dzx9hvawfpw9slfaa56w";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Extensions.FileSystemGlobbing";
+    version = "2.1.0";
+    sha256 = "1d2622qp22x1cnlwycnzjbc3sgi9jria26fk78zwzsa08npa3avv";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Extensions.Logging.Abstractions";
+    version = "1.0.0";
+    sha256 = "1sh9bidmhy32gkz6fkli79mxv06546ybrzppfw5v2aq0bda1ghka";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Extensions.Logging.Abstractions";
+    version = "2.1.0";
+    sha256 = "1gvgif1wcx4k6pv7gc00qv1hid945jdywy1s50s33q0hfd91hbnj";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Extensions.Primitives";
+    version = "2.1.0";
+    sha256 = "1r9gzwdfmb8ysnc4nzmyz5cyar1lw0qmizsvrsh252nhlyg06nmb";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.IdentityModel.Clients.ActiveDirectory";
+    version = "3.14.2";
+    sha256 = "0g9a2z1qjxd71lqqghp0a542xk9jkvz951bbnnnw43is4hlnqncq";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.IdentityModel.JsonWebTokens";
+    version = "5.4.0";
+    sha256 = "0a5fn0p10dmkwa7vvbq28xw78aq33xm7c82l7vhla95n0lr178n8";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.IdentityModel.Logging";
+    version = "5.4.0";
+    sha256 = "1idlpyg3q3syam6aflfbnsa7iql685mjralr1cnfpryf00lm59v0";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.IdentityModel.Tokens";
+    version = "5.4.0";
+    sha256 = "0gpdh5rs0p97zm41pphha8n3ccd50b1iszikj3917f111khpw8l0";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.NET.Test.Sdk";
+    version = "16.11.0";
+    sha256 = "1a2y6vw6p9xp3w72zq2lwrjl8bxv87s9d7zd2dh4zwbzh1c5slxl";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.NETCore.Platforms";
+    version = "1.0.1";
+    sha256 = "01al6cfxp68dscl15z7rxfw9zvhm64dncsw09a1vmdkacsa2v6lr";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.NETCore.Platforms";
+    version = "1.0.2";
+    sha256 = "17rrj0awknxx6rpdxr7yijdxqdmbbpdlcf2nsadjbd4d2gw7dck0";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.NETCore.Platforms";
+    version = "1.1.0";
+    sha256 = "08vh1r12g6ykjygq5d3vq09zylgb84l63k49jc4v8faw9g93iqqm";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.NETCore.Targets";
+    version = "1.0.1";
+    sha256 = "0ppdkwy6s9p7x9jix3v4402wb171cdiibq7js7i13nxpdky7074p";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.NETCore.Targets";
+    version = "1.1.0";
+    sha256 = "193xwf33fbm0ni3idxzbr5fdq3i2dlfgihsac9jj7whj0gd902nh";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.TestPlatform.ObjectModel";
+    version = "16.11.0";
+    sha256 = "1fc0ghk1cny4i8w43b94pxhl0srxisv6kaflkkp30ncsa9szhkxh";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.TestPlatform.TestHost";
+    version = "16.11.0";
+    sha256 = "0hp1vndf2jhyg1f3miq4g2068z5kpfzy6nmswm25vymghxp1ws4k";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Win32.Primitives";
+    version = "4.0.1";
+    sha256 = "1n8ap0cmljbqskxpf8fjzn7kh1vvlndsa75k01qig26mbw97k2q7";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Win32.Primitives";
+    version = "4.3.0";
+    sha256 = "0j0c1wj4ndj21zsgivsc24whiya605603kxrbiw6wkfdync464wq";
+  })
+  (fetchNuGet {
+    pname = "Microsoft.Win32.Registry";
+    version = "4.3.0";
+    sha256 = "1gxyzxam8163vk1kb6xzxjj4iwspjsz9zhgn1w9rjzciphaz0ig7";
+  })
+  (fetchNuGet {
+    pname = "NBitcoin.Altcoins";
+    version = "3.0.8";
+    sha256 = "1qck2nfj8494pxwzhccslq4cbypsgnwcv3nvz24czsd87wn8n618";
+  })
+  (fetchNuGet {
+    pname = "NBitcoin.TestFramework";
+    version = "3.0.6";
+    sha256 = "0yw382238rjv0qmhz1xlb5v696s8sxbjf839c2ck6dqd947q403w";
+  })
+  (fetchNuGet {
+    pname = "NBitcoin";
+    version = "6.0.15";
+    sha256 = "038dcl2k88w4cijws3pdnjflgy4lmqx70z0l7yqz355kmxjz8ain";
+  })
+  (fetchNuGet {
+    pname = "NBitcoin";
+    version = "6.0.18";
+    sha256 = "1dr669h68cx6yfzr3n97yzzwbgnsv5g2008diyxngdjm55nh3q9s";
+  })
+  (fetchNuGet {
+    pname = "NETStandard.Library";
+    version = "1.6.1";
+    sha256 = "1z70wvsx2d847a2cjfii7b83pjfs34q05gb037fdjikv5kbagml8";
+  })
+  (fetchNuGet {
+    pname = "NETStandard.Library";
+    version = "2.0.3";
+    sha256 = "1fn9fxppfcg4jgypp2pmrpr6awl3qz1xmnri0cygpkwvyx27df1y";
+  })
+  (fetchNuGet {
+    pname = "Newtonsoft.Json.Bson";
+    version = "1.0.2";
+    sha256 = "0c27bhy9x3c2n26inq32kmp6drpm71n6mqnmcr19wrlcaihglj35";
+  })
+  (fetchNuGet {
+    pname = "Newtonsoft.Json";
+    version = "10.0.3";
+    sha256 = "06vy67bkshclpz69kps4vgzc9h2cgg41c8vlqmdbwclfky7c4haq";
+  })
+  (fetchNuGet {
+    pname = "Newtonsoft.Json";
+    version = "11.0.2";
+    sha256 = "1784xi44f4k8v1fr696hsccmwpy94bz7kixxqlri98zhcxn406b2";
+  })
+  (fetchNuGet {
+    pname = "Newtonsoft.Json";
+    version = "13.0.1";
+    sha256 = "0fijg0w6iwap8gvzyjnndds0q4b8anwxxvik7y8vgq97dram4srb";
+  })
+  (fetchNuGet {
+    pname = "Newtonsoft.Json";
+    version = "9.0.1";
+    sha256 = "0mcy0i7pnfpqm4pcaiyzzji4g0c8i3a5gjz28rrr28110np8304r";
+  })
+  (fetchNuGet {
+    pname = "NicolasDorier.CommandLine.Configuration";
+    version = "1.0.0.3";
+    sha256 = "0al0pd4zhjpmn8m208xjmy17cbyab68grzdvzr2lhsckwkl6b1jg";
+  })
+  (fetchNuGet {
+    pname = "NicolasDorier.CommandLine";
+    version = "1.0.0.2";
+    sha256 = "08a9l18zkhcfa6f56xqylzvmqjzgxsmgkpm2r3ckvxfyml6w0qyy";
+  })
+  (fetchNuGet {
+    pname = "NicolasDorier.StandardConfiguration";
+    version = "1.0.0.18";
+    sha256 = "0lgssxafv6cqlw21fb79fm0fcln0clgsk6zadcwrnjv9vampfw7b";
+  })
+  (fetchNuGet {
+    pname = "NuGet.Frameworks";
+    version = "5.0.0";
+    sha256 = "18ijvmj13cwjdrrm52c8fpq021531zaz4mj4b4zapxaqzzxf2qjr";
+  })
+  (fetchNuGet {
+    pname = "RabbitMQ.Client";
+    version = "5.1.2";
+    sha256 = "195nxmnva1z2p0ahvn0kswv4d39f5bdy2sl3cxcvfziamc21xrmd";
+  })
+  (fetchNuGet {
+    pname = "runtime.debian.8-x64.runtime.native.System.Security.Cryptography.OpenSsl";
+    version = "4.3.0";
+    sha256 = "16rnxzpk5dpbbl1x354yrlsbvwylrq456xzpsha1n9y3glnhyx9d";
+  })
+  (fetchNuGet {
+    pname = "runtime.fedora.23-x64.runtime.native.System.Security.Cryptography.OpenSsl";
+    version = "4.3.0";
+    sha256 = "0hkg03sgm2wyq8nqk6dbm9jh5vcq57ry42lkqdmfklrw89lsmr59";
+  })
+  (fetchNuGet {
+    pname = "runtime.fedora.24-x64.runtime.native.System.Security.Cryptography.OpenSsl";
+    version = "4.3.0";
+    sha256 = "0c2p354hjx58xhhz7wv6div8xpi90sc6ibdm40qin21bvi7ymcaa";
+  })
+  (fetchNuGet {
+    pname = "runtime.native.System.IO.Compression";
+    version = "4.3.0";
+    sha256 = "1vvivbqsk6y4hzcid27pqpm5bsi6sc50hvqwbcx8aap5ifrxfs8d";
+  })
+  (fetchNuGet {
+    pname = "runtime.native.System.Net.Http";
+    version = "4.0.1";
+    sha256 = "1hgv2bmbaskx77v8glh7waxws973jn4ah35zysnkxmf0196sfxg6";
+  })
+  (fetchNuGet {
+    pname = "runtime.native.System.Net.Http";
+    version = "4.3.0";
+    sha256 = "1n6rgz5132lcibbch1qlf0g9jk60r0kqv087hxc0lisy50zpm7kk";
+  })
+  (fetchNuGet {
+    pname = "runtime.native.System.Net.Security";
+    version = "4.3.0";
+    sha256 = "0dnqjhw445ay3chpia9p6vy4w2j6s9vy3hxszqvdanpvvyaxijr3";
+  })
+  (fetchNuGet {
+    pname = "runtime.native.System.Security.Cryptography.Apple";
+    version = "4.3.0";
+    sha256 = "1b61p6gw1m02cc1ry996fl49liiwky6181dzr873g9ds92zl326q";
+  })
+  (fetchNuGet {
+    pname = "runtime.native.System.Security.Cryptography.OpenSsl";
+    version = "4.3.0";
+    sha256 = "18pzfdlwsg2nb1jjjjzyb5qlgy6xjxzmhnfaijq5s2jw3cm3ab97";
+  })
+  (fetchNuGet {
+    pname = "runtime.native.System.Security.Cryptography";
+    version = "4.0.0";
+    sha256 = "0k57aa2c3b10wl3hfqbgrl7xq7g8hh3a3ir44b31dn5p61iiw3z9";
+  })
+  (fetchNuGet {
+    pname = "runtime.native.System";
+    version = "4.0.0";
+    sha256 = "1ppk69xk59ggacj9n7g6fyxvzmk1g5p4fkijm0d7xqfkig98qrkf";
+  })
+  (fetchNuGet {
+    pname = "runtime.native.System";
+    version = "4.3.0";
+    sha256 = "15hgf6zaq9b8br2wi1i3x0zvmk410nlmsmva9p0bbg73v6hml5k4";
+  })
+  (fetchNuGet {
+    pname = "runtime.opensuse.13.2-x64.runtime.native.System.Security.Cryptography.OpenSsl";
+    version = "4.3.0";
+    sha256 = "0qyynf9nz5i7pc26cwhgi8j62ps27sqmf78ijcfgzab50z9g8ay3";
+  })
+  (fetchNuGet {
+    pname = "runtime.opensuse.42.1-x64.runtime.native.System.Security.Cryptography.OpenSsl";
+    version = "4.3.0";
+    sha256 = "1klrs545awhayryma6l7g2pvnp9xy4z0r1i40r80zb45q3i9nbyf";
+  })
+  (fetchNuGet {
+    pname = "runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.Apple";
+    version = "4.3.0";
+    sha256 = "10yc8jdrwgcl44b4g93f1ds76b176bajd3zqi2faf5rvh1vy9smi";
+  })
+  (fetchNuGet {
+    pname = "runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.OpenSsl";
+    version = "4.3.0";
+    sha256 = "0zcxjv5pckplvkg0r6mw3asggm7aqzbdjimhvsasb0cgm59x09l3";
+  })
+  (fetchNuGet {
+    pname = "runtime.rhel.7-x64.runtime.native.System.Security.Cryptography.OpenSsl";
+    version = "4.3.0";
+    sha256 = "0vhynn79ih7hw7cwjazn87rm9z9fj0rvxgzlab36jybgcpcgphsn";
+  })
+  (fetchNuGet {
+    pname = "runtime.ubuntu.14.04-x64.runtime.native.System.Security.Cryptography.OpenSsl";
+    version = "4.3.0";
+    sha256 = "160p68l2c7cqmyqjwxydcvgw7lvl1cr0znkw8fp24d1by9mqc8p3";
+  })
+  (fetchNuGet {
+    pname = "runtime.ubuntu.16.04-x64.runtime.native.System.Security.Cryptography.OpenSsl";
+    version = "4.3.0";
+    sha256 = "15zrc8fgd8zx28hdghcj5f5i34wf3l6bq5177075m2bc2j34jrqy";
+  })
+  (fetchNuGet {
+    pname = "runtime.ubuntu.16.10-x64.runtime.native.System.Security.Cryptography.OpenSsl";
+    version = "4.3.0";
+    sha256 = "1p4dgxax6p7rlgj4q73k73rslcnz4wdcv8q2flg1s8ygwcm58ld5";
+  })
+  (fetchNuGet {
+    pname = "System.AppContext";
+    version = "4.3.0";
+    sha256 = "1649qvy3dar900z3g817h17nl8jp4ka5vcfmsr05kh0fshn7j3ya";
+  })
+  (fetchNuGet {
+    pname = "System.Buffers";
+    version = "4.3.0";
+    sha256 = "0fgns20ispwrfqll4q1zc1waqcmylb3zc50ys9x8zlwxh9pmd9jy";
+  })
+  (fetchNuGet {
+    pname = "System.Buffers";
+    version = "4.4.0";
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+  (fetchNuGet {
+    pname = "System.Security.Cryptography.Algorithms";
+    version = "4.3.0";
+    sha256 = "03sq183pfl5kp7gkvq77myv7kbpdnq3y0xj7vi4q1kaw54sny0ml";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Cryptography.Cng";
+    version = "4.2.0";
+    sha256 = "118jijz446kix20blxip0f0q8mhsh9bz118mwc2ch1p6g7facpzc";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Cryptography.Cng";
+    version = "4.3.0";
+    sha256 = "1k468aswafdgf56ab6yrn7649kfqx2wm9aslywjam1hdmk5yypmv";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Cryptography.Csp";
+    version = "4.0.0";
+    sha256 = "1cwv8lqj8r15q81d2pz2jwzzbaji0l28xfrpw29kdpsaypm92z2q";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Cryptography.Csp";
+    version = "4.3.0";
+    sha256 = "1x5wcrddf2s3hb8j78cry7yalca4lb5vfnkrysagbn6r9x6xvrx1";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Cryptography.Encoding";
+    version = "4.0.0";
+    sha256 = "0a8y1a5wkmpawc787gfmnrnbzdgxmx1a14ax43jf3rj9gxmy3vk4";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Cryptography.Encoding";
+    version = "4.3.0";
+    sha256 = "1jr6w70igqn07k5zs1ph6xja97hxnb3mqbspdrff6cvssgrixs32";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Cryptography.OpenSsl";
+    version = "4.0.0";
+    sha256 = "16sx3cig3d0ilvzl8xxgffmxbiqx87zdi8fc73i3i7zjih1a7f4q";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Cryptography.OpenSsl";
+    version = "4.3.0";
+    sha256 = "0givpvvj8yc7gv4lhb6s1prq6p2c4147204a0wib89inqzd87gqc";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Cryptography.Primitives";
+    version = "4.0.0";
+    sha256 = "0i7cfnwph9a10bm26m538h5xcr8b36jscp9sy1zhgifksxz4yixh";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Cryptography.Primitives";
+    version = "4.3.0";
+    sha256 = "0pyzncsv48zwly3lw4f2dayqswcfvdwq2nz0dgwmi7fj3pn64wby";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Cryptography.X509Certificates";
+    version = "4.1.0";
+    sha256 = "0clg1bv55mfv5dq00m19cp634zx6inm31kf8ppbq1jgyjf2185dh";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Cryptography.X509Certificates";
+    version = "4.3.0";
+    sha256 = "0valjcz5wksbvijylxijjxb1mp38mdhv03r533vnx1q3ikzdav9h";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Principal.Windows";
+    version = "4.3.0";
+    sha256 = "00a0a7c40i3v4cb20s2cmh9csb5jv2l0frvnlzyfxh848xalpdwr";
+  })
+  (fetchNuGet {
+    pname = "System.Security.Principal";
+    version = "4.3.0";
+    sha256 = "12cm2zws06z4lfc4dn31iqv7072zyi4m910d4r6wm8yx85arsfxf";
+  })
+  (fetchNuGet {
+    pname = "System.Text.Encoding.Extensions";
+    version = "4.0.11";
+    sha256 = "08nsfrpiwsg9x5ml4xyl3zyvjfdi4mvbqf93kjdh11j4fwkznizs";
+  })
+  (fetchNuGet {
+    pname = "System.Text.Encoding.Extensions";
+    version = "4.3.0";
+    sha256 = "11q1y8hh5hrp5a3kw25cb6l00v5l5dvirkz8jr3sq00h1xgcgrxy";
+  })
+  (fetchNuGet {
+    pname = "System.Text.Encoding";
+    version = "4.0.11";
+    sha256 = "1dyqv0hijg265dwxg6l7aiv74102d6xjiwplh2ar1ly6xfaa4iiw";
+  })
+  (fetchNuGet {
+    pname = "System.Text.Encoding";
+    version = "4.3.0";
+    sha256 = "1f04lkir4iladpp51sdgmis9dj4y8v08cka0mbmsy0frc9a4gjqr";
+  })
+  (fetchNuGet {
+    pname = "System.Text.RegularExpressions";
+    version = "4.1.0";
+    sha256 = "1mw7vfkkyd04yn2fbhm38msk7dz2xwvib14ygjsb8dq2lcvr18y7";
+  })
+  (fetchNuGet {
+    pname = "System.Text.RegularExpressions";
+    version = "4.3.0";
+    sha256 = "1bgq51k7fwld0njylfn7qc5fmwrk2137gdq7djqdsw347paa9c2l";
+  })
+  (fetchNuGet {
+    pname = "System.Threading.Channels";
+    version = "4.7.1";
+    sha256 = "038fyrriypwzsj5fwgnkw79hm5ya0x63r724yizgahbxf512chr2";
+  })
+  (fetchNuGet {
+    pname = "System.Threading.Tasks.Extensions";
+    version = "4.0.0";
+    sha256 = "1cb51z062mvc2i8blpzmpn9d9mm4y307xrwi65di8ri18cz5r1zr";
+  })
+  (fetchNuGet {
+    pname = "System.Threading.Tasks.Extensions";
+    version = "4.3.0";
+    sha256 = "1xxcx2xh8jin360yjwm4x4cf5y3a2bwpn2ygkfkwkicz7zk50s2z";
+  })
+  (fetchNuGet {
+    pname = "System.Threading.Tasks";
+    version = "4.0.11";
+    sha256 = "0nr1r41rak82qfa5m0lhk9mp0k93bvfd7bbd9sdzwx9mb36g28p5";
+  })
+  (fetchNuGet {
+    pname = "System.Threading.Tasks";
+    version = "4.3.0";
+    sha256 = "134z3v9abw3a6jsw17xl3f6hqjpak5l682k2vz39spj4kmydg6k7";
+  })
+  (fetchNuGet {
+    pname = "System.Threading.Thread";
+    version = "4.3.0";
+    sha256 = "0y2xiwdfcph7znm2ysxanrhbqqss6a3shi1z3c779pj2s523mjx4";
+  })
+  (fetchNuGet {
+    pname = "System.Threading.ThreadPool";
+    version = "4.3.0";
+    sha256 = "027s1f4sbx0y1xqw2irqn6x161lzj8qwvnh2gn78ciiczdv10vf1";
+  })
+  (fetchNuGet {
+    pname = "System.Threading.Timer";
+    version = "4.3.0";
+    sha256 = "1nx773nsx6z5whv8kaa1wjh037id2f1cxhb69pvgv12hd2b6qs56";
+  })
+  (fetchNuGet {
+    pname = "System.Threading";
+    version = "4.0.11";
+    sha256 = "19x946h926bzvbsgj28csn46gak2crv2skpwsx80hbgazmkgb1ls";
+  })
+  (fetchNuGet {
+    pname = "System.Threading";
+    version = "4.3.0";
+    sha256 = "0rw9wfamvhayp5zh3j7p1yfmx9b5khbf4q50d8k5rk993rskfd34";
+  })
+  (fetchNuGet {
+    pname = "System.Xml.ReaderWriter";
+    version = "4.0.11";
+    sha256 = "0c6ky1jk5ada9m94wcadih98l6k1fvf6vi7vhn1msjixaha419l5";
+  })
+  (fetchNuGet {
+    pname = "System.Xml.ReaderWriter";
+    version = "4.3.0";
+    sha256 = "0c47yllxifzmh8gq6rq6l36zzvw4kjvlszkqa9wq3fr59n0hl3s1";
+  })
+  (fetchNuGet {
+    pname = "System.Xml.XDocument";
+    version = "4.0.11";
+    sha256 = "0n4lvpqzy9kc7qy1a4acwwd7b7pnvygv895az5640idl2y9zbz18";
+  })
+  (fetchNuGet {
+    pname = "System.Xml.XDocument";
+    version = "4.3.0";
+    sha256 = "08h8fm4l77n0nd4i4fk2386y809bfbwqb7ih9d7564ifcxr5ssxd";
+  })
+  (fetchNuGet {
+    pname = "System.Xml.XmlDocument";
+    version = "4.0.1";
+    sha256 = "0ihsnkvyc76r4dcky7v3ansnbyqjzkbyyia0ir5zvqirzan0bnl1";
+  })
+  (fetchNuGet {
+    pname = "System.Xml.XmlDocument";
+    version = "4.3.0";
+    sha256 = "0bmz1l06dihx52jxjr22dyv5mxv6pj4852lx68grjm7bivhrbfwi";
+  })
+  (fetchNuGet {
+    pname = "System.Xml.XmlSerializer";
+    version = "4.0.11";
+    sha256 = "01nzc3gdslw90qfykq4qzr2mdnqxjl4sj0wp3fixiwdmlmvpib5z";
+  })
+  (fetchNuGet {
+    pname = "System.Xml.XmlSerializer";
+    version = "4.3.0";
+    sha256 = "07pa4sx196vxkgl3csvdmw94nydlsm9ir38xxcs84qjn8cycd912";
+  })
+  (fetchNuGet {
+    pname = "xunit.abstractions";
+    version = "2.0.3";
+    sha256 = "00wl8qksgkxld76fgir3ycc5rjqv1sqds6x8yx40927q5py74gfh";
+  })
+  (fetchNuGet {
+    pname = "xunit.analyzers";
+    version = "0.10.0";
+    sha256 = "15n02q3akyqbvkp8nq75a8rd66d4ax0rx8fhdcn8j78pi235jm7j";
+  })
+  (fetchNuGet {
+    pname = "xunit.assert";
+    version = "2.4.1";
+    sha256 = "1imynzh80wxq2rp9sc4gxs4x1nriil88f72ilhj5q0m44qqmqpc6";
+  })
+  (fetchNuGet {
+    pname = "xunit.core";
+    version = "2.4.1";
+    sha256 = "1nnb3j4kzmycaw1g76ii4rfqkvg6l8gqh18falwp8g28h802019a";
+  })
+  (fetchNuGet {
+    pname = "xunit.extensibility.core";
+    version = "2.4.1";
+    sha256 = "103qsijmnip2pnbhciqyk2jyhdm6snindg5z2s57kqf5pcx9a050";
+  })
+  (fetchNuGet {
+    pname = "xunit.extensibility.execution";
+    version = "2.4.1";
+    sha256 = "1pbilxh1gp2ywm5idfl0klhl4gb16j86ib4x83p8raql1dv88qia";
+  })
+  (fetchNuGet {
+    pname = "xunit.runner.visualstudio";
+    version = "2.4.3";
+    sha256 = "0j1d0rbcm7pp6dypi61sjxp8l22sv261252z55b243l39jgv2rp3";
+  })
+  (fetchNuGet {
+    pname = "xunit";
+    version = "2.4.1";
+    sha256 = "0xf3kaywpg15flqaqfgywqyychzk15kz0kz34j21rcv78q9ywq20";
+  })
+]
diff --git a/pkgs/applications/blockchains/nbxplorer/update.sh b/pkgs/applications/blockchains/nbxplorer/update.sh
new file mode 100755
index 00000000000..caab20c928f
--- /dev/null
+++ b/pkgs/applications/blockchains/nbxplorer/update.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+scriptDir=$(cd "${BASH_SOURCE[0]%/*}" && pwd)
+
+getVersionFromTags=1 "$scriptDir"/util/update-common.sh nbxplorer "$scriptDir"/deps.nix ''
diff --git a/pkgs/applications/blockchains/nbxplorer/util/create-deps.sh b/pkgs/applications/blockchains/nbxplorer/util/create-deps.sh
new file mode 100755
index 00000000000..2d3f41f2586
--- /dev/null
+++ b/pkgs/applications/blockchains/nbxplorer/util/create-deps.sh
@@ -0,0 +1,46 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p dotnet-sdk_3
+set -euo pipefail
+
+# Writes deps for dotnet package in $pkgSrc to $depsFile.
+# Expects $pkgSrc to contain a single .sln file.
+
+pkgSrc=$1
+depsFile=$(realpath "$2")
+customFlags=$3
+
+sln=$(cd "$pkgSrc"; find * -maxdepth 0 -name '*.sln' | head -1)
+[[ $sln ]] || { echo "No .sln file in $pkgSrc" ; exit 1; }
+
+tmpdir=$(mktemp -d /tmp/$pkgName-src.XXX)
+echo "Using tmp dir: $tmpdir"
+cp -rT "$pkgSrc" "$tmpdir"
+chmod -R +w "$tmpdir"
+
+pushd "$tmpdir" > /dev/null
+mkdir home
+echo "Running dotnet restore for $sln"
+HOME=home DOTNET_CLI_TELEMETRY_OPTOUT=1 \
+  dotnet restore $customFlags -v normal --no-cache "$sln" > restore_log
+
+echo "{ fetchNuGet }: [" > "$depsFile"
+while read pkgSpec; do
+  { read pname; read version; } < <(
+    # Ignore build version part: 1.0.0-beta2+77df2220 -> 1.0.0-beta2
+    sed -nE 's/.*<id>([^<]*).*/\1/p; s/.*<version>([^<+]*).*/\1/p' "$pkgSpec"
+  )
+  sha256=$(nix-hash --type sha256 --flat --base32 "$(dirname "$pkgSpec")"/*.nupkg)
+  cat >> "$depsFile" <<EOF
+  (fetchNuGet {
+    pname = "$pname";
+    version = "$version";
+    sha256 = "$sha256";
+  })
+EOF
+done < <(find home/.nuget/packages -name '*.nuspec' | LC_ALL=C sort)
+echo "]" >> "$depsFile"
+
+echo "Created $depsFile"
+
+popd > /dev/null
+rm -r $tmpdir
diff --git a/pkgs/applications/blockchains/nbxplorer/util/update-common.sh b/pkgs/applications/blockchains/nbxplorer/util/update-common.sh
new file mode 100755
index 00000000000..1ca9ef3444b
--- /dev/null
+++ b/pkgs/applications/blockchains/nbxplorer/util/update-common.sh
@@ -0,0 +1,75 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p coreutils curl jq common-updater-scripts dotnet-sdk_3 git gnupg nixFlakes
+set -euo pipefail
+
+# This script uses the following env vars:
+# getVersionFromTags
+# refetch
+
+pkgName=$1
+depsFile=$2
+customFlags=$3
+
+: ${getVersionFromTags:=}
+: ${refetch:=}
+
+scriptDir=$(cd "${BASH_SOURCE[0]%/*}" && pwd)
+nixpkgs=$(realpath "$scriptDir"/../../../../..)
+
+evalNixpkgs() {
+  nix eval --impure --raw --expr "(with import \"$nixpkgs\" {}; $1)"
+}
+
+getRepo() {
+  url=$(evalNixpkgs $pkgName.src.meta.homepage)
+  echo $(basename $(dirname $url))/$(basename $url)
+}
+
+getLatestVersionTag() {
+  "$nixpkgs"/pkgs/common-updater/scripts/list-git-tags --url=https://github.com/$(getRepo) 2>/dev/null \
+    | sort -V | tail -1 | sed 's|^v||'
+}
+
+oldVersion=$(evalNixpkgs "$pkgName.version")
+if [[ $getVersionFromTags ]]; then
+  newVersion=$(getLatestVersionTag)
+else
+  newVersion=$(curl -s "https://api.github.com/repos/$(getRepo)/releases" | jq -r '.[0].name')
+fi
+
+if [[ $newVersion == $oldVersion && ! $refetch ]]; then
+  echo "nixpkgs already has the latest version $newVersion"
+  echo "Run this script with env var refetch=1 to re-verify the content hash via GPG"
+  echo "and to recreate $(basename "$depsFile"). This is useful for reviewing a version update."
+  exit 0
+fi
+
+# Fetch release and GPG-verify the content hash
+tmpdir=$(mktemp -d /tmp/$pkgName-verify-gpg.XXX)
+repo=$tmpdir/repo
+trap "rm -rf $tmpdir" EXIT
+git clone --depth 1 --branch v${newVersion} -c advice.detachedHead=false https://github.com/$(getRepo) $repo
+export GNUPGHOME=$tmpdir
+# Fetch Nicolas Dorier's key (64-bit key ID: 6618763EF09186FE)
+gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys AB4CFA9895ACA0DBE27F6B346618763EF09186FE 2> /dev/null
+echo
+echo "Verifying commit"
+git -C $repo verify-commit HEAD
+rm -rf $repo/.git
+newHash=$(nix hash-path $repo)
+rm -rf $tmpdir
+echo
+
+# Update pkg version and hash
+echo "Updating $pkgName: $oldVersion -> $newVersion"
+if [[ $newVersion == $oldVersion ]]; then
+  # Temporarily set a source version that doesn't equal $newVersion so that $newHash
+  # is always updated in the next call to update-source-version.
+  (cd "$nixpkgs" && update-source-version "$pkgName" "0" "0000000000000000000000000000000000000000000000000000")
+fi
+(cd "$nixpkgs" && update-source-version "$pkgName" "$newVersion" "$newHash")
+echo
+
+# Create deps file
+storeSrc="$(nix-build "$nixpkgs" -A $pkgName.src --no-out-link)"
+. "$scriptDir"/create-deps.sh "$storeSrc" "$depsFile" "$customFlags"
diff --git a/pkgs/applications/blockchains/openethereum/default.nix b/pkgs/applications/blockchains/openethereum/default.nix
new file mode 100644
index 00000000000..79ab37c7adb
--- /dev/null
+++ b/pkgs/applications/blockchains/openethereum/default.nix
@@ -0,0 +1,50 @@
+{ lib
+, fetchFromGitHub
+, rustPlatform
+, cmake
+, llvmPackages
+, openssl
+, pkg-config
+, stdenv
+, systemd
+, darwin
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "openethereum";
+  version = "3.2.6";
+
+  src = fetchFromGitHub {
+    owner = "openethereum";
+    repo = "openethereum";
+    rev = "v${version}";
+    sha256 = "0lxps3cyg8dzb9qr1kg91s9jc3mnm6hxybwcbhva38pcq4yc40xc";
+  };
+
+  cargoSha256 = "08yrpls3szmw6vy2c4d6b1k907ga0809ylvyx0zb6f8mp8z7ahl2";
+
+  nativeBuildInputs = [ cmake pkg-config ];
+
+  buildInputs = [ openssl ]
+    ++ lib.optionals stdenv.isLinux [ systemd ]
+    ++ lib.optionals stdenv.isDarwin [ darwin.Security ];
+
+  buildFeatures = [ "final" ];
+
+  # Fix tests by preventing them from writing to /homeless-shelter.
+  preCheck = ''
+    export HOME=$(mktemp -d)
+  '';
+
+  # Exclude some tests that don't work in the sandbox
+  # - Nat test requires network access
+  checkFlags = "--skip configuration::tests::should_resolve_external_nat_hosts";
+
+  meta = with lib; {
+    description = "Fast, light, robust Ethereum implementation";
+    homepage = "http://parity.io/ethereum";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ akru ];
+    platforms = lib.platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/oxen/default.nix b/pkgs/applications/blockchains/oxen/default.nix
new file mode 100644
index 00000000000..773071c0499
--- /dev/null
+++ b/pkgs/applications/blockchains/oxen/default.nix
@@ -0,0 +1,68 @@
+{ stdenv, lib, fetchurl, fetchFromGitHub, fetchpatch
+, cmake, pkg-config
+, boost, openssl, unbound
+, pcsclite, readline, libsodium, hidapi
+, rapidjson
+, curl, sqlite
+, trezorSupport ? true
+, libusb1
+, protobuf
+, python3
+}:
+
+stdenv.mkDerivation rec {
+  pname = "oxen";
+  version = "9.1.3";
+
+  src = fetchFromGitHub {
+    owner = "oxen-io";
+    repo = "oxen-core";
+    rev = "v${version}";
+    sha256 = "11g3wqn0syk47yfcsdql5737kpad8skwdxhifn2yaz9zy8n3xqqb";
+    fetchSubmodules = true;
+  };
+
+  # Required for static linking, the only supported install path
+  lbzmqsrc = fetchurl {
+    url = "https://github.com/zeromq/libzmq/releases/download/v4.3.3/zeromq-4.3.3.tar.gz";
+    sha512 = "4c18d784085179c5b1fcb753a93813095a12c8d34970f2e1bfca6499be6c9d67769c71c68b7ca54ff181b20390043170e89733c22f76ff1ea46494814f7095b1";
+  };
+
+  postPatch = ''
+    # remove vendored libraries
+    rm -r external/rapidjson
+    sed -i s,/lib/,/lib64/, external/loki-mq/cmake/local-libzmq//LocalLibzmq.cmake
+  '';
+
+  postInstall = ''
+    rm -R $out/lib $out/include
+  '';
+
+  nativeBuildInputs = [ cmake pkg-config ];
+
+  buildInputs = [
+    boost openssl unbound
+    pcsclite readline
+    libsodium hidapi rapidjson
+    protobuf curl sqlite
+  ] ++ lib.optionals trezorSupport [ libusb1 protobuf python3 ];
+
+  cmakeFlags = [
+    "-DCMAKE_BUILD_TYPE=Release"
+    # "-DUSE_DEVICE_TREZOR=ON"
+    # "-DBUILD_GUI_DEPS=ON"
+    "-DReadline_ROOT_DIR=${readline.dev}"
+    # It build with shared libs but doesn't install them. Fail.
+    # "-DBUILD_SHARED_LIBS=ON"
+    "-DLIBZMQ_TARBALL_URL=${lbzmqsrc}"
+  ] ++ lib.optional stdenv.isDarwin "-DBoost_USE_MULTITHREADED=OFF";
+
+  meta = with lib; {
+    description = "Private cryptocurrency based on Monero";
+    homepage = "https://oxen.io/";
+    license = licenses.bsd3;
+    platforms = platforms.all;
+    maintainers = [ maintainers.viric ];
+    broken = stdenv.isDarwin; # never built on Hydra https://hydra.nixos.org/job/nixpkgs/trunk/oxen.x86_64-darwin
+  };
+}
diff --git a/pkgs/applications/blockchains/particl-core/default.nix b/pkgs/applications/blockchains/particl-core/default.nix
new file mode 100644
index 00000000000..c9fb1a45869
--- /dev/null
+++ b/pkgs/applications/blockchains/particl-core/default.nix
@@ -0,0 +1,56 @@
+{ lib
+, stdenv
+, autoreconfHook
+, boost
+, db48
+, fetchFromGitHub
+, libevent
+, miniupnpc
+, openssl
+, pkg-config
+, zeromq
+, zlib
+, unixtools
+, python3
+}:
+
+with lib;
+
+stdenv.mkDerivation rec {
+  pname = "particl-core";
+  version = "0.19.2.14";
+
+  src = fetchFromGitHub {
+    owner = "particl";
+    repo = "particl-core";
+    rev = "v${version}";
+    sha256 = "sha256-gJLEMfEvQ35xjKt8iN/FXi2T/GBMSS7eUqOC8XHKPBg=";
+  };
+
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
+  buildInputs = [ openssl db48 boost zlib miniupnpc libevent zeromq unixtools.hexdump python3 ];
+
+  configureFlags = [
+    "--disable-bench"
+    "--with-boost-libdir=${boost.out}/lib"
+  ] ++ optionals (!doCheck) [
+    "--enable-tests=no"
+  ];
+
+  # Always check during Hydra builds
+  doCheck = true;
+  preCheck = "patchShebangs test";
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Privacy-Focused Marketplace & Decentralized Application Platform";
+    longDescription = ''
+      An open source, decentralized privacy platform built for global person to person eCommerce.
+      RPC daemon and CLI client only.
+    '';
+    homepage = "https://particl.io/";
+    maintainers = with maintainers; [ demyanrogozhin ];
+    license = licenses.mit;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/pivx/default.nix b/pkgs/applications/blockchains/pivx/default.nix
new file mode 100644
index 00000000000..75d0aa7ebfc
--- /dev/null
+++ b/pkgs/applications/blockchains/pivx/default.nix
@@ -0,0 +1,78 @@
+{ fetchFromGitHub
+, lib
+, stdenv
+, pkg-config
+, autoreconfHook
+, wrapQtAppsHook
+, openssl
+, db48
+, boost
+, zlib
+, miniupnpc
+, gmp
+, qrencode
+, glib
+, protobuf
+, yasm
+, libevent
+, util-linux
+, qtbase
+, qttools
+, enableUpnp ? false
+, disableWallet ? false
+, disableDaemon ? false
+, withGui ? false
+}:
+
+stdenv.mkDerivation rec {
+  pname = "pivx";
+  version = "4.1.1";
+
+  src = fetchFromGitHub {
+    owner = "PIVX-Project";
+    repo = "PIVX";
+    rev = "v${version}";
+    sha256 = "03ndk46h6093v8s18d5iffz48zhlshq7jrk6vgpjfs6z2iqgd2sy";
+  };
+
+  nativeBuildInputs = [ pkg-config autoreconfHook ]
+    ++ lib.optionals withGui [ wrapQtAppsHook ];
+
+  buildInputs = [ glib gmp openssl db48 yasm boost zlib libevent miniupnpc protobuf util-linux ]
+    ++ lib.optionals withGui [ qtbase qttools qrencode ];
+
+  configureFlags = [ "--with-boost-libdir=${boost.out}/lib" ]
+    ++ lib.optional enableUpnp "--enable-upnp-default"
+    ++ lib.optional disableWallet "--disable-wallet"
+    ++ lib.optional disableDaemon "--disable-daemon"
+    ++ lib.optionals withGui [
+    "--with-gui=yes"
+    "--with-qt-bindir=${lib.getDev qtbase}/bin:${lib.getDev qttools}/bin"
+  ];
+
+  enableParallelBuilding = true;
+  doCheck = true;
+  postBuild = ''
+    mkdir -p $out/share/applications $out/share/icons
+    cp contrib/debian/pivx-qt.desktop $out/share/applications/
+    cp share/pixmaps/*128.png $out/share/icons/
+  '';
+
+  doInstallCheck = true;
+  installCheckPhase = ''
+    $out/bin/test_pivx
+  '';
+
+  meta = with lib; {
+    description = "An open source crypto-currency focused on fast private transactions";
+    longDescription = ''
+      PIVX is an MIT licensed, open source, blockchain-based cryptocurrency with
+      ultra fast transactions, low fees, high network decentralization, and
+      Zero Knowledge cryptography proofs for industry-leading transaction anonymity.
+    '';
+    license = licenses.mit;
+    homepage = "https://pivx.org";
+    maintainers = with maintainers; [ ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/polkadot/default.nix b/pkgs/applications/blockchains/polkadot/default.nix
new file mode 100644
index 00000000000..e008832d4f0
--- /dev/null
+++ b/pkgs/applications/blockchains/polkadot/default.nix
@@ -0,0 +1,69 @@
+{ clang
+, fetchFromGitHub
+, lib
+, llvmPackages
+, protobuf
+, rustPlatform
+, writeShellScriptBin
+}:
+rustPlatform.buildRustPackage rec {
+  pname = "polkadot";
+  version = "0.9.17";
+
+  src = fetchFromGitHub {
+    owner = "paritytech";
+    repo = "polkadot";
+    rev = "v${version}";
+    sha256 = "sha256-m47Y4IXGc43XLs5d6ehlD0A53BWC5kO3K2BS/xbYgl8=";
+
+    # see the comment below on fakeGit for how this is used
+    leaveDotGit = true;
+    postFetch = ''
+      ( cd $out; git rev-parse --short HEAD > .git_commit )
+      rm -rf $out/.git
+    '';
+  };
+
+  cargoSha256 = "sha256-JBacioy2woAfKQuK6tXU9as4DNc+3uY3F3GWksCf6WU=";
+
+  nativeBuildInputs =
+    let
+      # the build process of polkadot requires a .git folder in order to determine
+      # the git commit hash that is being built and add it to the version string.
+      # since having a .git folder introduces reproducibility issues to the nix
+      # build, we check the git commit hash after fetching the source and save it
+      # into a .git_commit file, and then delete the .git folder. then we create a
+      # fake git command that will just return the contents of this file, which will
+      # be used when the polkadot build calls `git rev-parse` to fetch the commit
+      # hash.
+      fakeGit = writeShellScriptBin "git" ''
+        if [[ $@ = "rev-parse --short HEAD" ]]; then
+          cat /build/source/.git_commit
+        else
+          >&2 echo "Unknown command: $@"
+          exit 1
+        fi
+      '';
+    in
+    [ clang fakeGit ];
+
+  LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
+  PROTOC = "${protobuf}/bin/protoc";
+
+  # NOTE: We don't build the WASM runtimes since this would require a more
+  # complicated rust environment setup and this is only needed for developer
+  # environments. The resulting binary is useful for end-users of live networks
+  # since those just use the WASM blob from the network chainspec.
+  SKIP_WASM_BUILD = 1;
+
+  # We can't run the test suite since we didn't compile the WASM runtimes.
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Polkadot Node Implementation";
+    homepage = "https://polkadot.network";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ akru andresilva asymmetric FlorianFranzen RaghavSood ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/applications/blockchains/quorum/default.nix b/pkgs/applications/blockchains/quorum/default.nix
new file mode 100644
index 00000000000..1424ddc9516
--- /dev/null
+++ b/pkgs/applications/blockchains/quorum/default.nix
@@ -0,0 +1,41 @@
+{ lib, fetchFromGitHub, buildGoPackage, git, which, removeReferencesTo, go }:
+
+buildGoPackage rec {
+  pname = "quorum";
+  version = "2.5.0";
+
+  goPackagePath = "github.com/jpmorganchase/quorum";
+
+  src = fetchFromGitHub {
+    owner = "jpmorganchase";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0xfdaqp9bj5dkw12gy19lxj73zh7w80j051xclsvnd41sfah86ll";
+  };
+
+  buildInputs = [ git which ];
+
+  buildPhase = ''
+    cd "go/src/$goPackagePath"
+    make geth bootnode swarm
+  '';
+
+  installPhase = ''
+    mkdir -pv $out/bin
+    cp -v build/bin/geth build/bin/bootnode build/bin/swarm $out/bin
+  '';
+
+  # fails with `GOFLAGS=-trimpath`
+  allowGoReference = true;
+  preFixup = ''
+    find $out -type f -exec ${removeReferencesTo}/bin/remove-references-to -t ${go} '{}' +
+  '';
+
+  meta = with lib; {
+    description = "A permissioned implementation of Ethereum supporting data privacy";
+    homepage = "https://www.goquorum.com/";
+    license = licenses.lgpl3;
+    maintainers = with maintainers; [ mmahut ];
+    platforms = subtractLists ["aarch64-linux"] platforms.linux;
+  };
+}
diff --git a/pkgs/applications/blockchains/snarkos/default.nix b/pkgs/applications/blockchains/snarkos/default.nix
new file mode 100644
index 00000000000..c52780c9564
--- /dev/null
+++ b/pkgs/applications/blockchains/snarkos/default.nix
@@ -0,0 +1,61 @@
+{ stdenv
+, fetchFromGitHub
+, lib
+, rustPlatform
+, Security
+, curl
+, pkg-config
+, openssl
+, llvmPackages
+}:
+rustPlatform.buildRustPackage rec {
+  pname = "snarkos";
+  version = "2.0.2";
+
+  src = fetchFromGitHub {
+    owner = "AleoHQ";
+    repo = "snarkOS";
+    rev = "v${version}";
+    sha256 = "sha256-sS8emB+uhWuoq5ISuT8FgSSzX7/WDoOY8hHzPE/EX3o=";
+  };
+
+  cargoSha256 = "sha256-XS6dw6BIoJdigEso/J1dUaAp7AIAda3HrKnCoBynRv8=";
+
+  # buildAndTestSubdir = "cli";
+
+  nativeBuildInputs = lib.optionals stdenv.isLinux [ pkg-config llvmPackages.clang ];
+
+  # Needed to get openssl-sys to use pkg-config.
+  OPENSSL_NO_VENDOR = 1;
+  OPENSSL_LIB_DIR = "${openssl.out}/lib";
+  OPENSSL_DIR="${lib.getDev openssl}";
+
+  LIBCLANG_PATH="${llvmPackages.libclang.lib}/lib";
+
+  # TODO check why rust compilation fails by including the rocksdb from nixpkgs
+  # Used by build.rs in the rocksdb-sys crate. If we don't set these, it would
+  # try to build RocksDB from source.
+  # ROCKSDB_INCLUDE_DIR="${rocksdb}/include";
+  # ROCKSDB_LIB_DIR="${rocksdb}/lib";
+
+  buildInputs = lib.optionals stdenv.isDarwin [ Security curl ];
+
+  # some tests are flaky and some need network access
+  # TODO finish filtering the tests to enable them
+  doCheck = !stdenv.isLinux;
+  # checkFlags = [
+  #   # tries to make a network access
+  #   "--skip=rpc::rpc::tests::test_send_transaction_large"
+  #   # flaky test
+  #   "--skip=helpers::block_requests::tests::test_block_requests_case_2ca"
+  # ];
+
+
+  meta = with lib; {
+    description = "A Decentralized Operating System for Zero-Knowledge Applications";
+    homepage = "https://snarkos.org";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ happysalada ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/solana/default.nix b/pkgs/applications/blockchains/solana/default.nix
new file mode 100644
index 00000000000..bfa9382b245
--- /dev/null
+++ b/pkgs/applications/blockchains/solana/default.nix
@@ -0,0 +1,56 @@
+{ stdenv
+, fetchFromGitHub
+, lib
+, rustPlatform
+, IOKit
+, Security
+, AppKit
+, pkg-config
+, udev
+, zlib
+, protobuf
+}:
+rustPlatform.buildRustPackage rec {
+  pname = "solana-testnet-cli";
+  version = "1.9.2";
+
+  src = fetchFromGitHub {
+    owner = "solana-labs";
+    repo = "solana";
+    rev = "v${version}";
+    sha256 = "sha256-wrv35vBohLztMZPb6gfZdCaXcjj/Y7vnQqINaI6dBM4=";
+  };
+
+  cargoSha256 = "sha256-A5uVa+cRmrkVyw7MFH4QAr0VIFi18wcc2VPFvQyT9EM=";
+
+  buildAndTestSubdir = "cli";
+
+  nativeBuildInputs = lib.optionals stdenv.isLinux [ protobuf pkg-config ];
+  buildInputs = lib.optionals stdenv.isLinux [ udev zlib ] ++ lib.optionals stdenv.isDarwin [ IOKit Security AppKit ];
+
+  # check phase fails
+  # on darwin with missing framework System. This framework is not available in nixpkgs
+  # on linux with some librocksdb-sys compilation error
+  doCheck = false;
+
+  # all the following are needed for the checkphase
+  # checkInputs = lib.optionals stdenv.isDarwin [ pkg-config rustfmt ];
+  # Needed to get openssl-sys to use pkg-config.
+  # OPENSSL_NO_VENDOR = 1;
+  # OPENSSL_LIB_DIR = "${openssl.out}/lib";
+  # OPENSSL_DIR="${lib.getDev openssl}";
+  # LLVM_CONFIG_PATH="${llvm}/bin/llvm-config";
+  # LIBCLANG_PATH="${llvmPackages.libclang.lib}/lib";
+  # Used by build.rs in the rocksdb-sys crate. If we don't set these, it would
+  # try to build RocksDB from source.
+  # ROCKSDB_INCLUDE_DIR="${rocksdb}/include";
+  # ROCKSDB_LIB_DIR="${rocksdb}/lib";
+
+  meta = with lib; {
+    description = "Web-Scale Blockchain for fast, secure, scalable, decentralized apps and marketplaces. ";
+    homepage = "https://solana.com";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ happysalada ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/blockchains/stellar-core/default.nix b/pkgs/applications/blockchains/stellar-core/default.nix
new file mode 100644
index 00000000000..6ecc4e241cb
--- /dev/null
+++ b/pkgs/applications/blockchains/stellar-core/default.nix
@@ -0,0 +1,46 @@
+{ lib, stdenv, fetchFromGitHub, autoconf, libtool, automake, pkg-config, git
+, bison, flex, postgresql, ripgrep }:
+
+stdenv.mkDerivation rec {
+  pname = "stellar-core";
+  version = "17.0.0";
+
+  src = fetchFromGitHub {
+    owner = "stellar";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1ngl8yjqb8xzhdwzlxzzxf14q2hgwy2ysb17sn5380rrn0jswin1";
+    fetchSubmodules = true;
+  };
+
+  nativeBuildInputs = [ automake autoconf git libtool pkg-config ripgrep ];
+
+  propagatedBuildInputs = [ bison flex postgresql ];
+
+  preConfigure = ''
+    # Due to https://github.com/NixOS/nixpkgs/issues/8567 we cannot rely on
+    # having the .git directory present, so directly provide the version
+    substituteInPlace src/Makefile.am --replace '$$vers' '${pname} ${version}';
+
+    # Everything needs to be staged in git because the build uses
+    # `git ls-files` to search for source files to compile.
+    git init
+    git add .
+
+    ./autogen.sh
+  '';
+
+  meta = with lib; {
+    description = "Implements the Stellar Consensus Protocol, a federated consensus protocol";
+    longDescription = ''
+      Stellar-core is the backbone of the Stellar network. It maintains a
+      local copy of the ledger, communicating and staying in sync with other
+      instances of stellar-core on the network. Optionally, stellar-core can
+      store historical records of the ledger and participate in consensus.
+    '';
+    homepage = "https://www.stellar.org/";
+    platforms = [ "x86_64-linux" ];
+    maintainers = with maintainers; [ ];
+    license = licenses.asl20;
+  };
+}
diff --git a/pkgs/applications/blockchains/sumokoin/default.nix b/pkgs/applications/blockchains/sumokoin/default.nix
new file mode 100644
index 00000000000..ee817b58195
--- /dev/null
+++ b/pkgs/applications/blockchains/sumokoin/default.nix
@@ -0,0 +1,33 @@
+{ lib, stdenv, fetchFromGitHub, cmake, unbound, openssl, boost
+, libunwind, lmdb, miniupnpc }:
+
+stdenv.mkDerivation rec {
+  pname = "sumokoin";
+  version = "0.2.0.0";
+
+  src = fetchFromGitHub {
+    owner = "sumoprojects";
+    repo = "sumokoin";
+    rev = "v${version}";
+    sha256 = "0ndgcawhxh3qb3llrrilrwzhs36qpxv7f53rxgcansbff9b3za6n";
+  };
+
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ unbound openssl boost libunwind lmdb miniupnpc ];
+
+  postPatch = ''
+    substituteInPlace src/blockchain_db/lmdb/db_lmdb.cpp --replace mdb_size_t size_t
+  '';
+
+  cmakeFlags = [
+    "-DLMDB_INCLUDE=${lmdb}/include"
+  ];
+
+  meta = with lib; {
+    description = "A fork of Monero and a truely fungible cryptocurrency";
+    homepage = "https://www.sumokoin.org/";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ fpletz ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/applications/blockchains/tessera/default.nix b/pkgs/applications/blockchains/tessera/default.nix
new file mode 100644
index 00000000000..5b139252553
--- /dev/null
+++ b/pkgs/applications/blockchains/tessera/default.nix
@@ -0,0 +1,26 @@
+{ lib, stdenv, fetchurl, makeWrapper, jre }:
+
+stdenv.mkDerivation rec {
+  pname = "tessera";
+  version = "0.10.2";
+
+  src = fetchurl {
+    url = "https://oss.sonatype.org/service/local/repositories/releases/content/com/jpmorgan/quorum/${pname}-app/${version}/${pname}-app-${version}-app.jar";
+    sha256 = "1zn8w7q0q5man0407kb82lw4mlvyiy9whq2f6izf2b5415f9s0m4";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  dontUnpack = true;
+
+  installPhase = ''
+    makeWrapper ${jre}/bin/java $out/bin/tessera --add-flags "-jar $src"
+  '';
+
+  meta = with lib; {
+    description = "Enterprise Implementation of Quorum's transaction manager";
+    homepage = "https://github.com/jpmorganchase/tessera";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ mmahut ];
+  };
+}
diff --git a/pkgs/applications/blockchains/trezor-suite/default.nix b/pkgs/applications/blockchains/trezor-suite/default.nix
new file mode 100644
index 00000000000..43f41e5aeef
--- /dev/null
+++ b/pkgs/applications/blockchains/trezor-suite/default.nix
@@ -0,0 +1,64 @@
+{ lib
+, stdenv
+, fetchurl
+, appimageTools
+, tor
+, trezord
+}:
+
+let
+  pname = "trezor-suite";
+  version = "22.1.1";
+  name = "${pname}-${version}";
+
+  suffix = {
+    aarch64-linux = "linux-arm64";
+    x86_64-linux  = "linux-x86_64";
+  }.${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
+
+  src = fetchurl {
+    url = "https://github.com/trezor/${pname}/releases/download/v${version}/Trezor-Suite-${version}-${suffix}.AppImage";
+    sha512 = { # curl -Lfs https://github.com/trezor/trezor-suite/releases/latest/download/latest-linux{-arm64,}.yml | grep ^sha512 | sed 's/: /-/'
+      aarch64-linux = "sha512-hRPwhKdAqiHmsaIuNm5r3ZuKhUh+IipR5/5N/9PwiLEfaSQRWink0dUwyuUoWzy4DyGabLQyIWbQRvR7eRGKJA==";
+      x86_64-linux  = "sha512-W4S7W4TeDtSwWCj6N6EoJJOCYG3m1pK3D+UPlsp7B7VY/0uBtI31+tS28E6TUgXZUttr8IIbqzJYWCuyLfDthQ==";
+    }.${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
+  };
+
+  appimageContents = appimageTools.extractType2 {
+    inherit name src;
+  };
+
+in
+
+appimageTools.wrapType2 rec {
+  inherit name src;
+
+  extraInstallCommands = ''
+    mv $out/bin/${name} $out/bin/${pname}
+    mkdir -p $out/bin $out/share/${pname} $out/share/${pname}/resources
+
+    cp -a ${appimageContents}/locales/ $out/share/${pname}
+    cp -a ${appimageContents}/resources/app*.* $out/share/${pname}/resources
+    cp -a ${appimageContents}/resources/images/ $out/share/${pname}/resources
+
+    install -m 444 -D ${appimageContents}/${pname}.desktop $out/share/applications/${pname}.desktop
+    install -m 444 -D ${appimageContents}/${pname}.png $out/share/icons/hicolor/512x512/apps/${pname}.png
+    install -m 444 -D ${appimageContents}/resources/images/icons/512x512.png $out/share/icons/hicolor/512x512/apps/${pname}.png
+    substituteInPlace $out/share/applications/${pname}.desktop \
+      --replace 'Exec=AppRun --no-sandbox %U' 'Exec=${pname}'
+
+    # symlink system binaries instead bundled ones
+    mkdir -p $out/share/${pname}/resources/bin/{bridge,tor}
+    ln -sf ${trezord}/bin/trezord-go $out/share/${pname}/resources/bin/bridge/trezord
+    ln -sf ${tor}/bin/tor $out/share/${pname}/resources/bin/tor/tor
+  '';
+
+  meta = with lib; {
+    description = "Trezor Suite - Desktop App for managing crypto";
+    homepage = "https://suite.trezor.io";
+    changelog = "https://github.com/trezor/trezor-suite/releases/tag/v${version}";
+    license = licenses.unfree;
+    maintainers = with maintainers; [ prusnak ];
+    platforms = [ "aarch64-linux" "x86_64-linux" ];
+  };
+}
diff --git a/pkgs/applications/blockchains/vertcoin/default.nix b/pkgs/applications/blockchains/vertcoin/default.nix
new file mode 100644
index 00000000000..acb02298e11
--- /dev/null
+++ b/pkgs/applications/blockchains/vertcoin/default.nix
@@ -0,0 +1,69 @@
+{ lib, stdenv
+, fetchFromGitHub
+, openssl
+, boost
+, libevent
+, autoreconfHook
+, db4
+, pkg-config
+, protobuf
+, hexdump
+, zeromq
+, withGui
+, qtbase ? null
+, qttools ? null
+, wrapQtAppsHook ? null
+}:
+
+with lib;
+
+stdenv.mkDerivation rec {
+  pname = "vertcoin";
+  version = "0.15.0.1";
+
+  name = pname + toString (optional (!withGui) "d") + "-" + version;
+
+  src = fetchFromGitHub {
+    owner = pname + "-project";
+    repo = pname + "-core";
+    rev = version;
+    sha256 = "09q7qicw52gv225hq6wlpsf4zr4hjc8miyim5cygi5nxxrlw7kd3";
+  };
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+    hexdump
+  ] ++ optionals withGui [
+    wrapQtAppsHook
+  ];
+
+  buildInputs = [
+    openssl
+    boost
+    libevent
+    db4
+    zeromq
+  ] ++ optionals withGui [
+    qtbase
+    qttools
+    protobuf
+  ];
+
+  enableParallelBuilding = true;
+
+  configureFlags = [
+      "--with-boost-libdir=${boost.out}/lib"
+  ] ++ optionals withGui [
+      "--with-gui=qt5"
+      "--with-qt-bindir=${qtbase.dev}/bin:${qttools.dev}/bin"
+  ];
+
+  meta = {
+    description = "A digital currency with mining decentralisation and ASIC resistance as a key focus";
+    homepage = "https://vertcoin.org/";
+    license = licenses.mit;
+    maintainers = [ maintainers.mmahut ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/applications/blockchains/wasabibackend/default.nix b/pkgs/applications/blockchains/wasabibackend/default.nix
new file mode 100644
index 00000000000..c7f594e31b4
--- /dev/null
+++ b/pkgs/applications/blockchains/wasabibackend/default.nix
@@ -0,0 +1,50 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, buildDotnetModule
+, dotnetCorePackages
+, autoPatchelfHook
+, zlib
+, openssl
+}:
+
+buildDotnetModule rec {
+  pname = "wasabibackend";
+  version = "1.1.13.0";
+
+  src = fetchFromGitHub {
+    owner = "zkSNACKs";
+    repo = "WalletWasabi";
+    rev = "v${version}";
+    sha256 = "sha256-zDOk8MurT5NXOr4kvm5mnsphY+eDFWuVBcpeTZpcHOo=";
+  };
+
+  projectFile = "WalletWasabi.Backend/WalletWasabi.Backend.csproj";
+  nugetDeps = ./deps.nix;
+
+  dotnet-sdk = dotnetCorePackages.sdk_3_1;
+  dotnet-runtime = dotnetCorePackages.aspnetcore_3_1;
+
+  nativeBuildInputs = [ autoPatchelfHook ];
+  buildInputs = [ stdenv.cc.cc.lib zlib ];
+
+  runtimeDeps = [ openssl zlib ];
+
+  preConfigure = ''
+    makeWrapperArgs+=(
+      --run "cd $out/lib/${pname}"
+    )
+  '';
+
+  postFixup = ''
+    mv $out/bin/WalletWasabi.Backend $out/bin/WasabiBackend
+  '';
+
+  meta = with lib; {
+    description = "Backend for the Wasabi Wallet";
+    homepage = "https://wasabiwallet.io/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ mmahut ];
+    platforms = [ "x86_64-linux" ];
+  };
+}
diff --git a/pkgs/applications/blockchains/wasabibackend/deps.nix b/pkgs/applications/blockchains/wasabibackend/deps.nix
new file mode 100644
index 00000000000..782f183da07
--- /dev/null
+++ b/pkgs/applications/blockchains/wasabibackend/deps.nix
@@ -0,0 +1,203 @@
+{ fetchNuGet }: [
+  (fetchNuGet { pname = "Microsoft.AspNetCore.App.Ref"; version = "3.1.10"; sha256 = "0xn4zh7shvijqlr03fqsmps6gz856isd9bg9rk4z2c4599ggal77"; })
+  (fetchNuGet { pname = "Microsoft.AspNetCore.App.Runtime.linux-x64"; version = "3.1.21"; sha256 = "056g9nv8a7n8zdbgzmyzmn3pbg52yq2kv5d1rcp7h6plwzgpiwql"; })
+  (fetchNuGet { pname = "Microsoft.AspNetCore.App.Runtime.osx-x64"; version = "3.1.21"; sha256 = "0akdzi35497v8yxr3a9q1g26cnx9vxnwv81kwxi293jklwnx8gsr"; })
+  (fetchNuGet { pname = "Microsoft.AspNetCore.App.Runtime.win-x64"; version = "3.1.21"; sha256 = "16kya6xvi7k42sr8bxgpbz9116dj7g3i18ylpvji9qngdx41891v"; })
+  (fetchNuGet { pname = "Microsoft.AspNetCore.JsonPatch"; version = "3.1.1"; sha256 = "0c0aaz9rlh9chc53dnv5jryp0x0415hipaizrmih3kzwd3fmqpml"; })
+  (fetchNuGet { pname = "Microsoft.AspNetCore.Mvc.NewtonsoftJson"; version = "3.1.1"; sha256 = "1c2lrlp64kkacnjgdyygr6fqdawk10l8j4qgppii6rq61yjwhcig"; })
+  (fetchNuGet { pname = "Microsoft.Build"; version = "15.3.409"; sha256 = "0vzq6csp2yys9s96c7i37bjml439rdi47g8f5rzqdr7xf5a1jk81"; })
+  (fetchNuGet { pname = "Microsoft.Build.Framework"; version = "15.3.409"; sha256 = "1dhanwb9ihbfay85xj7cwn0byzmmdz94hqfi3q6r1ncwdjd8y1s2"; })
+  (fetchNuGet { pname = "Microsoft.Build.Runtime"; version = "15.3.409"; sha256 = "135ycnqz5jfg61y5zaapgc7xdpjx2aq4icmxb9ph7h5inl445q7q"; })
+  (fetchNuGet { pname = "Microsoft.Build.Tasks.Core"; version = "15.3.409"; sha256 = "135swyygp7cz2civwsz6a7dj7h8bzp7yrybmgxjanxwrw66hm933"; })
+  (fetchNuGet { pname = "Microsoft.Build.Utilities.Core"; version = "15.3.409"; sha256 = "1p8a0l9sxmjj86qha748qjw2s2n07q8mn41mj5r6apjnwl27ywnf"; })
+  (fetchNuGet { pname = "Microsoft.CSharp"; version = "4.3.0"; sha256 = "0gw297dgkh0al1zxvgvncqs0j15lsna9l1wpqas4rflmys440xvb"; })
+  (fetchNuGet { pname = "Microsoft.CSharp"; version = "4.7.0"; sha256 = "0gd67zlw554j098kabg887b5a6pq9kzavpa3jjy5w53ccjzjfy8j"; })
+  (fetchNuGet { pname = "Microsoft.Extensions.ApiDescription.Server"; version = "3.0.0"; sha256 = "13a47xcqyi5gz85swxd4mgp7ndgl4kknrvv3xwmbn71hsh953hsh"; })
+  (fetchNuGet { pname = "Microsoft.Extensions.FileProviders.Abstractions"; version = "2.0.0"; sha256 = "0d6y5isjy6jpf4w3f3w89cwh9p40glzhwvm7cwhx05wkqd8bk9w4"; })
+  (fetchNuGet { pname = "Microsoft.Extensions.FileProviders.Physical"; version = "2.0.0"; sha256 = "0l0l92g7sq4122n139av1pn1jl6wlw92hjmdnr47xdss0ndmwrs3"; })
+  (fetchNuGet { pname = "Microsoft.Extensions.FileSystemGlobbing"; version = "2.0.0"; sha256 = "02lzy6r14ghwfwm384xajq08vv3pl3ww0mi5isrr10vivhijhgg4"; })
+  (fetchNuGet { pname = "Microsoft.Extensions.Logging.Abstractions"; version = "1.0.0"; sha256 = "1sh9bidmhy32gkz6fkli79mxv06546ybrzppfw5v2aq0bda1ghka"; })
+  (fetchNuGet { pname = "Microsoft.Extensions.Primitives"; version = "2.0.0"; sha256 = "1xppr5jbny04slyjgngxjdm0maxdh47vq481ps944d7jrfs0p3mb"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.App"; version = "2.0.5"; sha256 = "0qb7k624w7l0zhapdp519ymqg84a67r8zyd8cpj42hywsgb0dqv6"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.App.Host.linux-x64"; version = "3.1.21"; sha256 = "01kbhi29lhv6mg1zfsyakz3z8hfbxnc0kxy0fczl8xqviik9svx7"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.App.Host.osx-x64"; version = "3.1.21"; sha256 = "1s5g9gk0hvs268q2zpc32m0my2m2ivlmsmza86797a9vkxr6pzw6"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.App.Host.win-x64"; version = "3.1.21"; sha256 = "0dl4yakfmdkx6xr18f09cdnl11b4fyp23jg3msr8a25zqdqvcr29"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.App.Ref"; version = "3.1.0"; sha256 = "08svsiilx9spvjamcnjswv0dlpdrgryhr3asdz7cvnl914gjzq4y"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.App.Runtime.linux-x64"; version = "3.1.21"; sha256 = "13692wqcww0w6x4nhyxpxwprdg6mx9xmlvv38m6fvp6g0m27r43v"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.App.Runtime.osx-x64"; version = "3.1.21"; sha256 = "1p7fpcmx4m2374zjfh53i3mv4lkr8xrkz5lnawv95s7j005m07pc"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.App.Runtime.win-x64"; version = "3.1.21"; sha256 = "02zgxzf8l607mh17900n7msga0yfcnqgd70rj1rlwj23plifykx1"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.DotNetAppHost"; version = "2.0.5"; sha256 = "00bsxdg9c8msjxyffvfi8siqk8v2m7ca8fqy1npv7b2pzg3byjws"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.DotNetHostPolicy"; version = "2.0.5"; sha256 = "0v5csskiwpk8kz8wclqad8kcjmxr7ik4w99wl05740qvaag3qysk"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.DotNetHostResolver"; version = "2.0.5"; sha256 = "1sz2fdp8fdwz21x3lr2m1zhhrbix6iz699fjkwiryqdjl4ygd3hw"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.Platforms"; version = "1.0.1"; sha256 = "01al6cfxp68dscl15z7rxfw9zvhm64dncsw09a1vmdkacsa2v6lr"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.Platforms"; version = "1.1.0"; sha256 = "08vh1r12g6ykjygq5d3vq09zylgb84l63k49jc4v8faw9g93iqqm"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.Platforms"; version = "2.0.1"; sha256 = "1j2hmnivgb4plni2dd205kafzg6mkg7r4knrd3s7mg75wn2l25np"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.Platforms"; version = "3.1.0"; sha256 = "1gc1x8f95wk8yhgznkwsg80adk1lc65v9n5rx4yaa4bc5dva0z3j"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.Targets"; version = "1.0.1"; sha256 = "0ppdkwy6s9p7x9jix3v4402wb171cdiibq7js7i13nxpdky7074p"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.Targets"; version = "1.1.0"; sha256 = "193xwf33fbm0ni3idxzbr5fdq3i2dlfgihsac9jj7whj0gd902nh"; })
+  (fetchNuGet { pname = "Microsoft.OpenApi"; version = "1.1.4"; sha256 = "1sn79829nhx6chi2qxsza1801di7zdl5fd983m0jakawzbjhjcb3"; })
+  (fetchNuGet { pname = "Microsoft.VisualStudio.Web.CodeGeneration.Contracts"; version = "2.0.2"; sha256 = "1fs6sbjn0chx6rv38d61zgk8mhyyxz44xp4wsfya0lvkckyszyn1"; })
+  (fetchNuGet { pname = "Microsoft.VisualStudio.Web.CodeGeneration.Tools"; version = "2.0.2"; sha256 = "0fkjm06irs53d77z29i6dwj5pjhgj9ivhad8v39ghnrwasc0ivq6"; })
+  (fetchNuGet { pname = "Microsoft.Win32.Primitives"; version = "4.0.1"; sha256 = "1n8ap0cmljbqskxpf8fjzn7kh1vvlndsa75k01qig26mbw97k2q7"; })
+  (fetchNuGet { pname = "Microsoft.Win32.Registry"; version = "4.0.0"; sha256 = "1spf4m9pikkc19544p29a47qnhcd885klncahz133hbnyqbkmz9k"; })
+  (fetchNuGet { pname = "Microsoft.Win32.Registry"; version = "4.7.0"; sha256 = "0bx21jjbs7l5ydyw4p6cn07chryxpmchq2nl5pirzz4l3b0q4dgs"; })
+  (fetchNuGet { pname = "NBitcoin"; version = "5.0.81"; sha256 = "1fba94kc8yzykb1m5lvpx1hm63mpycpww9cz5zfp85phs1spdn8x"; })
+  (fetchNuGet { pname = "NBitcoin.Secp256k1"; version = "1.0.10"; sha256 = "14hngbhxk2xjr5kcbsb26l788xnd1lmxn7fhmm2kvx49kdb1malp"; })
+  (fetchNuGet { pname = "NETStandard.Library"; version = "1.6.0"; sha256 = "0nmmv4yw7gw04ik8ialj3ak0j6pxa9spih67hnn1h2c38ba8h58k"; })
+  (fetchNuGet { pname = "NETStandard.Library"; version = "2.0.1"; sha256 = "0d44wjxphs1ck838v7dapm0ag0b91zpiy33cr5vflsrwrqgj51dk"; })
+  (fetchNuGet { pname = "Newtonsoft.Json"; version = "10.0.1"; sha256 = "15ncqic3p2rzs8q8ppi0irl2miq75kilw4lh8yfgjq96id0ds3hv"; })
+  (fetchNuGet { pname = "Newtonsoft.Json"; version = "11.0.2"; sha256 = "1784xi44f4k8v1fr696hsccmwpy94bz7kixxqlri98zhcxn406b2"; })
+  (fetchNuGet { pname = "Newtonsoft.Json"; version = "12.0.2"; sha256 = "0w2fbji1smd2y7x25qqibf1qrznmv4s6s0jvrbvr6alb7mfyqvh5"; })
+  (fetchNuGet { pname = "Newtonsoft.Json.Bson"; version = "1.0.2"; sha256 = "0c27bhy9x3c2n26inq32kmp6drpm71n6mqnmcr19wrlcaihglj35"; })
+  (fetchNuGet { pname = "NuGet.Frameworks"; version = "4.0.0"; sha256 = "0nar684cm53cvzx28gzl6kmpg9mrfr1yv29323din7xqal4pscgq"; })
+  (fetchNuGet { pname = "runtime.any.System.Collections"; version = "4.0.11"; sha256 = "1x44bm1cgv28zmrp095wf9mn8a6a0ivnzp9v14dcbhx06igxzgg0"; })
+  (fetchNuGet { pname = "runtime.any.System.Diagnostics.Tracing"; version = "4.1.0"; sha256 = "041im8hmp1zdgrx6jzyrdch6kshvbddmkar7r2mlm1ksb5c5kwpq"; })
+  (fetchNuGet { pname = "runtime.any.System.Globalization"; version = "4.0.11"; sha256 = "0240rp66pi5bw1xklmh421hj7arwcdmjmgfkiq1cbc6nrm8ah286"; })
+  (fetchNuGet { pname = "runtime.any.System.IO"; version = "4.1.0"; sha256 = "0kasfkjiml2kk8prnyn1990nhsahnjggvqwszqjdsfwfl43vpcb5"; })
+  (fetchNuGet { pname = "runtime.any.System.Reflection"; version = "4.1.0"; sha256 = "06kcs059d5czyakx75rvlwa2mr86156w18fs7chd03f7084l7mq6"; })
+  (fetchNuGet { pname = "runtime.any.System.Reflection.Primitives"; version = "4.0.1"; sha256 = "1zxrpvixr5fqzkxpnin6g6gjq6xajy1snghz99ds2dwbhm276rhz"; })
+  (fetchNuGet { pname = "runtime.any.System.Resources.ResourceManager"; version = "4.0.1"; sha256 = "1jmgs7hynb2rff48623wnyb37558bbh1q28k9c249j5r5sgsr5kr"; })
+  (fetchNuGet { pname = "runtime.any.System.Runtime"; version = "4.1.0"; sha256 = "0mjr2bi7wvnkphfjqgkyf8vfyvy15a829jz6mivl6jmksh2bx40m"; })
+  (fetchNuGet { pname = "runtime.any.System.Runtime.Handles"; version = "4.0.1"; sha256 = "1kswgqhy34qvc49i981fk711s7knd6z13bp0rin8ms6axkh98nas"; })
+  (fetchNuGet { pname = "runtime.any.System.Runtime.InteropServices"; version = "4.1.0"; sha256 = "0gm8if0hcmp1qys1wmx4970k2x62pqvldgljsyzbjhiy5644vl8z"; })
+  (fetchNuGet { pname = "runtime.any.System.Text.Encoding"; version = "4.0.11"; sha256 = "0m4vgmzi1ky8xlj0r7xcyazxln3j9dlialnk6d2gmgrfnzf8f9m7"; })
+  (fetchNuGet { pname = "runtime.any.System.Threading.Tasks"; version = "4.0.11"; sha256 = "1qzdp09qs8br5qxzlm1lgbjn4n57fk8vr1lzrmli2ysdg6x1xzvk"; })
+  (fetchNuGet { pname = "runtime.native.System"; version = "4.0.0"; sha256 = "1ppk69xk59ggacj9n7g6fyxvzmk1g5p4fkijm0d7xqfkig98qrkf"; })
+  (fetchNuGet { pname = "runtime.native.System.IO.Compression"; version = "4.1.0"; sha256 = "0d720z4lzyfcabmmnvh0bnj76ll7djhji2hmfh3h44sdkjnlkknk"; })
+  (fetchNuGet { pname = "runtime.native.System.Net.Http"; version = "4.0.1"; sha256 = "1hgv2bmbaskx77v8glh7waxws973jn4ah35zysnkxmf0196sfxg6"; })
+  (fetchNuGet { pname = "runtime.native.System.Security.Cryptography"; version = "4.0.0"; sha256 = "0k57aa2c3b10wl3hfqbgrl7xq7g8hh3a3ir44b31dn5p61iiw3z9"; })
+  (fetchNuGet { pname = "runtime.unix.System.Diagnostics.Debug"; version = "4.0.11"; sha256 = "05ndbai4vpqrry0ghbfgqc8xblmplwjgndxmdn1zklqimczwjg2d"; })
+  (fetchNuGet { pname = "runtime.unix.System.Private.Uri"; version = "4.0.1"; sha256 = "0ic5dgc45jkhcr1g9xmmzjm7ffiw4cymm0fprczlx4fnww4783nm"; })
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+  (fetchNuGet { pname = "runtime.win.System.Runtime.Extensions"; version = "4.1.0"; sha256 = "1zmx2msa04ka8mgh8viahi4pqpp86vdhzij2rg1jg131bwlv59yw"; })
+  (fetchNuGet { pname = "Swashbuckle.AspNetCore"; version = "5.0.0"; sha256 = "0rn2awmzrsrppk97xbbwk4kq1mys9bygb5xhl6mphbk0hchrvh09"; })
+  (fetchNuGet { pname = "Swashbuckle.AspNetCore.Swagger"; version = "5.0.0"; sha256 = "1341nv8nmh6avs3y7w2szzir5qd0bndxwrkdmvvj3hcxj1126w2f"; })
+  (fetchNuGet { pname = "Swashbuckle.AspNetCore.SwaggerGen"; version = "5.0.0"; sha256 = "00swg2avqnb38q2bsxljd34n8rpknp74h9vbn0fdnfds3a32cqr4"; })
+  (fetchNuGet { pname = "Swashbuckle.AspNetCore.SwaggerUI"; version = "5.0.0"; sha256 = "0d7vjq489rz208j6k3rb7vq6mzxzff3mqg83yk2rqy25vklrsbjd"; })
+  (fetchNuGet { pname = "System.AppContext"; version = "4.1.0"; sha256 = "0fv3cma1jp4vgj7a8hqc9n7hr1f1kjp541s6z0q1r6nazb4iz9mz"; })
+  (fetchNuGet { pname = "System.Buffers"; version = "4.0.0"; sha256 = "13s659bcmg9nwb6z78971z1lr6bmh2wghxi1ayqyzl4jijd351gr"; })
+  (fetchNuGet { pname = "System.Collections"; version = "4.0.11"; sha256 = "1ga40f5lrwldiyw6vy67d0sg7jd7ww6kgwbksm19wrvq9hr0bsm6"; })
+  (fetchNuGet { pname = "System.Collections"; version = "4.3.0"; sha256 = "19r4y64dqyrq6k4706dnyhhw7fs24kpp3awak7whzss39dakpxk9"; })
+  (fetchNuGet { pname = "System.Collections.Concurrent"; version = "4.0.12"; sha256 = "07y08kvrzpak873pmyxs129g1ch8l27zmg51pcyj2jvq03n0r0fc"; })
+  (fetchNuGet { pname = "System.Collections.Immutable"; version = "1.2.0"; sha256 = "1jm4pc666yiy7af1mcf7766v710gp0h40p228ghj6bavx7xfa38m"; })
+  (fetchNuGet { pname = "System.Collections.NonGeneric"; version = "4.0.1"; sha256 = "19994r5y5bpdhj7di6w047apvil8lh06lh2c2yv9zc4fc5g9bl4d"; })
+  (fetchNuGet { pname = "System.Collections.NonGeneric"; version = "4.3.0"; sha256 = "07q3k0hf3mrcjzwj8fwk6gv3n51cb513w4mgkfxzm3i37sc9kz7k"; })
+  (fetchNuGet { pname = "System.Collections.Specialized"; version = "4.3.0"; sha256 = "1sdwkma4f6j85m3dpb53v9vcgd0zyc9jb33f8g63byvijcj39n20"; })
+  (fetchNuGet { pname = "System.ComponentModel"; version = "4.3.0"; sha256 = "0986b10ww3nshy30x9sjyzm0jx339dkjxjj3401r3q0f6fx2wkcb"; })
+  (fetchNuGet { pname = "System.ComponentModel.Primitives"; version = "4.3.0"; sha256 = "1svfmcmgs0w0z9xdw2f2ps05rdxmkxxhf0l17xk9l1l8xfahkqr0"; })
+  (fetchNuGet { pname = "System.ComponentModel.TypeConverter"; version = "4.3.0"; sha256 = "17ng0p7v3nbrg3kycz10aqrrlw4lz9hzhws09pfh8gkwicyy481x"; })
+  (fetchNuGet { pname = "System.Console"; version = "4.0.0"; sha256 = "0ynxqbc3z1nwbrc11hkkpw9skw116z4y9wjzn7id49p9yi7mzmlf"; })
+  (fetchNuGet { pname = "System.Diagnostics.Contracts"; version = "4.0.1"; sha256 = "0y6dkd9n5k98vzhc3w14r2pbhf10qjn2axpghpmfr6rlxx9qrb9j"; })
+  (fetchNuGet { pname = "System.Diagnostics.Debug"; version = "4.0.11"; sha256 = "0gmjghrqmlgzxivd2xl50ncbglb7ljzb66rlx8ws6dv8jm0d5siz"; })
+  (fetchNuGet { pname = "System.Diagnostics.Debug"; version = "4.3.0"; sha256 = "00yjlf19wjydyr6cfviaph3vsjzg3d5nvnya26i2fvfg53sknh3y"; })
+  (fetchNuGet { pname = "System.Diagnostics.DiagnosticSource"; version = "4.0.0"; sha256 = "1n6c3fbz7v8d3pn77h4v5wvsfrfg7v1c57lg3nff3cjyh597v23m"; })
+  (fetchNuGet { pname = "System.Diagnostics.FileVersionInfo"; version = "4.0.0"; sha256 = "1s5vxhy7i09bmw51kxqaiz9zaj9am8wsjyz13j85sp23z267hbv3"; })
+  (fetchNuGet { pname = "System.Diagnostics.Process"; version = "4.1.0"; sha256 = "061lrcs7xribrmq7kab908lww6kn2xn1w3rdc41q189y0jibl19s"; })
+  (fetchNuGet { pname = "System.Diagnostics.Tools"; version = "4.0.1"; sha256 = "19cknvg07yhakcvpxg3cxa0bwadplin6kyxd8mpjjpwnp56nl85x"; })
+  (fetchNuGet { pname = "System.Diagnostics.Tools"; version = "4.3.0"; sha256 = "0in3pic3s2ddyibi8cvgl102zmvp9r9mchh82ns9f0ms4basylw1"; })
+  (fetchNuGet { pname = "System.Diagnostics.TraceSource"; version = "4.0.0"; sha256 = "1mc7r72xznczzf6mz62dm8xhdi14if1h8qgx353xvhz89qyxsa3h"; })
+  (fetchNuGet { pname = "System.Diagnostics.Tracing"; version = "4.1.0"; sha256 = "1d2r76v1x610x61ahfpigda89gd13qydz6vbwzhpqlyvq8jj6394"; })
+  (fetchNuGet { pname = "System.Dynamic.Runtime"; version = "4.0.11"; sha256 = "1pla2dx8gkidf7xkciig6nifdsb494axjvzvann8g2lp3dbqasm9"; })
+  (fetchNuGet { pname = "System.Dynamic.Runtime"; version = "4.3.0"; sha256 = "1d951hrvrpndk7insiag80qxjbf2y0y39y8h5hnq9612ws661glk"; })
+  (fetchNuGet { pname = "System.Globalization"; version = "4.0.11"; sha256 = "070c5jbas2v7smm660zaf1gh0489xanjqymkvafcs4f8cdrs1d5d"; })
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+  (fetchNuGet { pname = "System.Security.Cryptography.X509Certificates"; version = "4.1.0"; sha256 = "0clg1bv55mfv5dq00m19cp634zx6inm31kf8ppbq1jgyjf2185dh"; })
+  (fetchNuGet { pname = "System.Security.Principal"; version = "4.0.1"; sha256 = "1nbzdfqvzzbgsfdd5qsh94d7dbg2v4sw0yx6himyn52zf8z6007p"; })
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+  (fetchNuGet { pname = "System.Text.Encoding"; version = "4.3.0"; sha256 = "1f04lkir4iladpp51sdgmis9dj4y8v08cka0mbmsy0frc9a4gjqr"; })
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+  (fetchNuGet { pname = "System.Text.Encoding.Extensions"; version = "4.3.0"; sha256 = "11q1y8hh5hrp5a3kw25cb6l00v5l5dvirkz8jr3sq00h1xgcgrxy"; })
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+  (fetchNuGet { pname = "System.Threading.ThreadPool"; version = "4.0.10"; sha256 = "0fdr61yjcxh5imvyf93n2m3n5g9pp54bnw2l1d2rdl9z6dd31ypx"; })
+  (fetchNuGet { pname = "System.Threading.Timer"; version = "4.0.1"; sha256 = "15n54f1f8nn3mjcjrlzdg6q3520571y012mx7v991x2fvp73lmg6"; })
+  (fetchNuGet { pname = "System.Xml.ReaderWriter"; version = "4.0.11"; sha256 = "0c6ky1jk5ada9m94wcadih98l6k1fvf6vi7vhn1msjixaha419l5"; })
+  (fetchNuGet { pname = "System.Xml.ReaderWriter"; version = "4.3.0"; sha256 = "0c47yllxifzmh8gq6rq6l36zzvw4kjvlszkqa9wq3fr59n0hl3s1"; })
+  (fetchNuGet { pname = "System.Xml.XDocument"; version = "4.0.11"; sha256 = "0n4lvpqzy9kc7qy1a4acwwd7b7pnvygv895az5640idl2y9zbz18"; })
+  (fetchNuGet { pname = "System.Xml.XDocument"; version = "4.3.0"; sha256 = "08h8fm4l77n0nd4i4fk2386y809bfbwqb7ih9d7564ifcxr5ssxd"; })
+  (fetchNuGet { pname = "System.Xml.XmlDocument"; version = "4.0.1"; sha256 = "0ihsnkvyc76r4dcky7v3ansnbyqjzkbyyia0ir5zvqirzan0bnl1"; })
+  (fetchNuGet { pname = "System.Xml.XmlDocument"; version = "4.3.0"; sha256 = "0bmz1l06dihx52jxjr22dyv5mxv6pj4852lx68grjm7bivhrbfwi"; })
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+  (fetchNuGet { pname = "System.Xml.XPath"; version = "4.0.1"; sha256 = "0fjqgb6y66d72d5n8qq1h213d9nv2vi8mpv8p28j3m9rccmsh04m"; })
+  (fetchNuGet { pname = "System.Xml.XPath.XmlDocument"; version = "4.0.1"; sha256 = "0l7yljgif41iv5g56l3nxy97hzzgck2a7rhnfnljhx9b0ry41bvc"; })
+]
diff --git a/pkgs/applications/blockchains/wasabiwallet/default.nix b/pkgs/applications/blockchains/wasabiwallet/default.nix
new file mode 100644
index 00000000000..f8e20f1a05d
--- /dev/null
+++ b/pkgs/applications/blockchains/wasabiwallet/default.nix
@@ -0,0 +1,67 @@
+{ lib, stdenv
+, fetchurl
+, makeDesktopItem
+, curl
+, dotnetCorePackages
+, fontconfig
+, krb5
+, openssl
+, xorg
+, zlib
+}:
+
+let
+  dotnet-runtime = dotnetCorePackages.runtime_5_0;
+  libPath = lib.makeLibraryPath [
+    curl
+    dotnet-runtime
+    fontconfig.lib
+    krb5
+    openssl
+    stdenv.cc.cc.lib
+    xorg.libX11
+    zlib
+  ];
+in
+stdenv.mkDerivation rec {
+  pname = "wasabiwallet";
+  version = "1.1.12.9";
+
+  src = fetchurl {
+    url = "https://github.com/zkSNACKs/WalletWasabi/releases/download/v${version}/Wasabi-${version}.tar.gz";
+    sha256 = "sha256-DtoLQbRXyR4xGm+M0xg9uj8wcbh1dOBJUG430OS8AS4=";
+  };
+
+  dontBuild = true;
+  dontPatchELF = true;
+
+  desktopItem = makeDesktopItem {
+    name = "wasabi";
+    exec = "wasabiwallet";
+    desktopName = "Wasabi";
+    genericName = "Bitcoin wallet";
+    comment = meta.description;
+    categories = [ "Network" "Utility" ];
+  };
+
+  installPhase = ''
+    mkdir -p $out/opt/${pname} $out/bin $out/share/applications
+    cp -Rv . $out/opt/${pname}
+    cd $out/opt/${pname}
+    for i in $(find . -type f -name '*.so') wassabee
+      do
+        patchelf --set-rpath ${libPath} $i
+      done
+    patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" wassabee
+    ln -s $out/opt/${pname}/wassabee $out/bin/${pname}
+    cp -v $desktopItem/share/applications/* $out/share/applications
+  '';
+
+  meta = with lib; {
+    description = "Privacy focused Bitcoin wallet";
+    homepage = "https://wasabiwallet.io/";
+    license = licenses.mit;
+    platforms = [ "x86_64-linux" ];
+    maintainers = with maintainers; [ mmahut ];
+  };
+}
diff --git a/pkgs/applications/blockchains/wownero/default.nix b/pkgs/applications/blockchains/wownero/default.nix
new file mode 100644
index 00000000000..9efdd6c56df
--- /dev/null
+++ b/pkgs/applications/blockchains/wownero/default.nix
@@ -0,0 +1,61 @@
+{ lib, stdenv, fetchFromGitea, cmake, boost, miniupnpc_2, openssl, unbound
+, readline, libsodium, rapidjson
+}:
+
+with lib;
+stdenv.mkDerivation rec {
+  pname = "wownero";
+  version = "0.8.0.1";
+  randomwowVersion = "1.1.7";
+
+  src = fetchFromGitea {
+    domain = "git.wownero.com";
+    owner = "wownero";
+    repo = "wownero";
+    rev = "v${version}";
+    sha256 = "sha256-+cUdousEiZMNwqhTvjoqw/k21x3dg7Lhb/5KyNUGrjQ=";
+    fetchSubmodules = false;
+  };
+
+  randomwow = fetchFromGitea {
+    domain = "git.wownero.com";
+    owner = "wownero";
+    repo = "RandomWOW";
+    rev = randomwowVersion;
+    sha256 = "sha256-JzyRlHwM8rmJ5OaKHz+6vHGfpSz+X4zkFAKn4Jmo+EE=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = [
+    boost miniupnpc_2 openssl unbound rapidjson readline libsodium
+  ];
+
+  postUnpack = ''
+    rm -r $sourceRoot/external/RandomWOW
+    ln -s ${randomwow} $sourceRoot/external/RandomWOW
+  '';
+
+  cmakeFlags = [
+    "-DReadline_ROOT_DIR=${readline.dev}"
+    "-DMANUAL_SUBMODULES=ON"
+  ];
+
+  meta = {
+    description = ''
+      A privacy-centric memecoin that was fairly launched on April 1, 2018 with
+      no pre-mine, stealth-mine or ICO
+    '';
+    longDescription = ''
+      Wownero has a maximum supply of around 184 million WOW with a slow and
+      steady emission over 50 years. It is a fork of Monero, but with its own
+      genesis block, so there is no degradation of privacy due to ring
+      signatures using different participants for the same tx outputs on
+      opposing forks.
+    '';
+    homepage    = "https://wownero.org/";
+    license     = licenses.bsd3;
+    platforms   = platforms.linux;
+    maintainers = with maintainers; [ fuwa ];
+  };
+}
diff --git a/pkgs/applications/blockchains/zcash/default.nix b/pkgs/applications/blockchains/zcash/default.nix
new file mode 100644
index 00000000000..8dc15e7c9d8
--- /dev/null
+++ b/pkgs/applications/blockchains/zcash/default.nix
@@ -0,0 +1,65 @@
+{ rust, rustPlatform, stdenv, lib, fetchFromGitHub, autoreconfHook, makeWrapper
+, cargo, pkg-config, curl, coreutils, boost175, db62, hexdump, libsodium
+, libevent, utf8cpp, util-linux, withDaemon ? true, withMining ? true
+, withUtils ? true, withWallet ? true, withZmq ? true, zeromq
+}:
+
+rustPlatform.buildRustPackage.override { stdenv = stdenv; } rec {
+  pname = "zcash";
+  version = "4.6.0-1";
+
+  src = fetchFromGitHub {
+    owner = "zcash";
+    repo  = "zcash";
+    rev = "v${version}";
+    sha256 = "sha256-YJ5ufo+LYbOTr9SyiEzzp1pcSx6+cHSvDLBOIcx9X+4=";
+  };
+
+  cargoSha256 = "sha256-m/SBHv3BNYKkSXxHnCdVng3blbHrTc/HxX/nEIa1DnM=";
+
+  nativeBuildInputs = [ autoreconfHook cargo hexdump makeWrapper pkg-config ];
+  buildInputs = [ boost175 libevent libsodium utf8cpp ]
+    ++ lib.optional withWallet db62
+    ++ lib.optional withZmq zeromq;
+
+  # Use the stdenv default phases (./configure; make) instead of the
+  # ones from buildRustPackage.
+  configurePhase = "configurePhase";
+  buildPhase = "buildPhase";
+  checkPhase = "checkPhase";
+  installPhase = "installPhase";
+
+  postPatch = ''
+    # Have to do this here instead of in preConfigure because
+    # cargoDepsCopy gets unset after postPatch.
+    configureFlagsArray+=("RUST_VENDORED_SOURCES=$NIX_BUILD_TOP/$cargoDepsCopy")
+  '';
+
+  configureFlags = [
+    "--disable-tests"
+    "--with-boost-libdir=${lib.getLib boost175}/lib"
+    "CXXFLAGS=-I${lib.getDev utf8cpp}/include/utf8cpp"
+    "RUST_TARGET=${rust.toRustTargetSpec stdenv.hostPlatform}"
+  ] ++ lib.optional (!withWallet) "--disable-wallet"
+    ++ lib.optional (!withDaemon) "--without-daemon"
+    ++ lib.optional (!withUtils) "--without-utils"
+    ++ lib.optional (!withMining) "--disable-mining";
+
+  enableParallelBuilding = true;
+
+  # Requires hundreds of megabytes of zkSNARK parameters.
+  doCheck = false;
+
+  postInstall = ''
+    wrapProgram $out/bin/zcash-fetch-params \
+        --set PATH ${lib.makeBinPath [ coreutils curl util-linux ]}
+  '';
+
+  meta = with lib; {
+    description = "Peer-to-peer, anonymous electronic cash system";
+    homepage = "https://z.cash/";
+    maintainers = with maintainers; [ rht tkerber ];
+    license = licenses.mit;
+    platforms = platforms.linux;
+  };
+}