> 2. The secret chats still aren't broken. Since 2013, I'd think at least one "crypto expert" (which all said a custom protocol was a bad idea) would have taken

> 2. The secret chats still aren't broken. Since 2013, I'd think at least one "crypto expert" (which all said a custom protocol was a bad idea) would have taken the effort to prove it by now. https://eprint.iacr.org/2015/1177.pdf https://eprint.iacr.org/2015/1177.pdf