http://e55lzoju6enqswtvm66sk3uqukcin3377ehgiorplj4d7qyssipls4yd.onion/en/blog/what-messenger-apps-should-i-use-to-maintain-full-anonymity.php
However, this feature is only available for private messages between two people; group chats on Telegram don’t have this feature yet. The app is usually used for group chats with many members, so it's an excellent way for a community to engage if announcements are made.