PGP is way too verbose for that. If you has used signify for that message, the signature would have been something like this: RWQcQxD3ZdsGnrNBFaLsVZBQ/9WH4q42N

PGP is way too verbose for that. If you has used signify for that message, the signature would have been something like this: RWQcQxD3ZdsGnrNBFaLsVZBQ/9WH4q42N9/BFvgeBMhyZ7KUxe85AgpND09npvMNLF0CTfXOSNnF4U6sIioblL98gPVPHrtaZg4 Also the public key would have been small enough to include in the post. Here is the public key I used to make the above signature: RWQcQxD3ZdsGnqH7z1jvcyeUNhAUMPZW4jn/THZAjs+MCi7VXk448K7B For most forum posts where people aren't using real identities all I generally care about is that post X and post Y came from the same person. By including both the signature and the public key I can check that without having to look at anything other than X and Y. (That's assuming that the forum itself is not monkeying with posts).