http://keybase5btp2qikoau6u326pvotn47gb55mo6fjxxyxdoywiinomr5id.onion/blog/keybase-proofs-for-mastodon-and-everyone
.), with many more in the coming days. Previously, Keybase only supported the mega-behemoths: Twitter, Facebook, Reddit, Github, and HackerNews. This new protocol change isn't just for Mastodon; we're ripping Keybase wide open, so any community can cryptographically connect profiles to Keybase.