{
  nix = {
    settings = {
      substituters = [
        "https://nrdxp.cachix.org"
      ];
      trusted-public-keys = [
        "nrdxp.cachix.org-1:Fc5PSqY2Jm1TrWfm88l6cvGWwz3s93c6IOifQWnhNW4="
      ];
    };
  };
}
