{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    nixpkgs-legacy.url = "github:NixOS/nixpkgs/nixos-23.11";
    utils.url = "github:numtide/flake-utils";
  };

  outputs =
    {
      nixpkgs,
      nixpkgs-legacy,
      utils,
      ...
    }:
    utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = import nixpkgs { inherit system; };
        pkgs-old = import nixpkgs-legacy { inherit system; };

        # Define Python environment with required packages
        pythonEnv = pkgs-old.python310.withPackages (
          ps: with ps; [
            gevent
            greenlet
            msgpack
            base58
            merkletools
            rsa
            pysocks
            pyasn1
            websocket-client
            gevent-websocket
            coincurve
            maxminddb
          ]
        );

        libraries = with pkgs; [
          stdenv.cc.cc
          glib
          dbus
          curl
          openssl
        ];
      in
      {
        devShells.default = pkgs.mkShell {
          nativeBuildInputs = [
            pkgs.pkg-config
            pkgs.openssl
          ];
          buildInputs = [
            pythonEnv
            pkgs.tor
          ]
          ++ libraries;

          shellHook = ''
            export LD_LIBRARY_PATH="${pkgs.lib.makeLibraryPath libraries}:$LD_LIBRARY_PATH"
            echo "❄️ ZeroNet dev environment loaded (Python 3.11)!"
            echo "To start ZeroNet, run: python zeronet.py"
          '';
        };
      }
    );
}