{
  # Binary Cache for Haskell.nix
  nix.binaryCachePublicKeys = [
    "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
  ];
  nix.binaryCaches = [
    "https://hydra.iohk.io"
  ];
}