Earlier quoted context omitted.
> PSA: Telegram is dangerous snake oil 1. They don't claim to do end to end crypto unless you use the secret chats 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. 3. Whatsapp claims to have better encryption, and they probably do, but it's 1) a lot less convenient and 2) unveri…
4. Open source, you say? Technically, yes. But in fact they love to abandon github repos while still releasing new versions. Take a look at iOS sources: https://github.com/peter-iakovlev/Telegram/
They simply do a code dump every few months.