@nprofile1q... do you have a link to what's wrong with OpenPGP? I really like delta chat, but they also rely on OpenPGP. But of course say that's fine
https://delta.chat/en/help#openpgp-secureAnd me as someone who doesn't understand anything about cryptography would really appreciate a professional explaining what's wrong (but I don't want to take up too much of your time)