{
  nix = {
    settings = {
      substituters = [
        "https://nix-gaming.cachix.org"
      ];
      trusted-public-keys = [
        "nix-gaming.cachix.org-1:nbjlureqMbRAxR1gJ/f3hxemL9svXaZF/Ees8vCUUs4="
      ];
    };
  };
}