typically the hash of "pubKey" (algorithm tends to depend on "algorithm") but can also be the _pubKey_, too (useful for ECC keys whose hash would otherwise be longer than the actual key)
case classPublicKeys(publicKeys: Set[PublicKey]) extends Product with Serializable
typically the hash of "pubKey" (algorithm tends to depend on "algorithm") but can also be the _pubKey_, too (useful for ECC keys whose hash would otherwise be longer than the actual key)