Group chats are not end to end encrypted and stored on their servers. Private chats are end to end encrypted but that doesn't matter much when. It is Russian owned and partially based, and they pretty much have limitless access to the data. If anyone is concerned for their privacy it's the last app ...

Just logged in after ages (almost literal ages instead of TLK ages) and a bunch is changed that I'd be willing to discuss but is probably not really worth it after limited experience with it. That currently Telegram is embedded and recommended as the main (or only) way of proper communication is ver...