anchor.diff:  
     nativeBuildInputs = stdenv.lib.optionals enableQt [ wrapQtAppsHook ];
   
  -  propagatedBuildInputs = with py.pkgs; [
  +  propagatedBuildInputs = with python3.pkgs; [
       aiohttp
       aiohttp-socks
       aiorpcx
       attrs
       bitstring
  +    cryptography
       dnspython
  -    ecdsa
       jsonrpclib-pelix
       matplotlib
       pbkdf2
       protobuf
  -    pycryptodomex
       pysocks
       qrcode
       requests
  
positive.code:     owner = "spesmilo";
      repo = "electrum";
      rev = version;
      sha256 = "0mdbg2sq56nv0hx0rrcbgrv1lv89nqc6cqigivgk665hhjm4v5kq";
  
      extraPostFetch = ''
        mv $out ./all
  
negative.code:   };
  in
  
  python3.pkgs.buildPythonApplication {
    pname = "electrum";
    inherit version;
  
    src = fetchurl {
      url = "https://download.electrum.org/${version}/Electrum-${version}.tar.gz";
      sha256 = "0k5xf97ga3ixd02g1y6v84hbxd8yhvpj5iz2rhxs8wfnkfwibzh4";
    };
  
    postUnpack = ''
  