If you still use Telegram you're either clinically retarded or a malicious actor. It's always been an FSB honeypot but now there's some actual evidence: 

Telegram, the FSB, and the Man in the Middle
The technical infrastructure that underpins Telegram is controlled by a man whose companies have collaborated with Russian intelligence services. A...
Non-working zap button, a menu...
Add user feed? Is that following? Nope, it's something else completely. Ah, there it is:
Very convenient, just open any post and you can find the follow button if you're lucky. No wonder engagement is so bad on nostr if you can't even follow people in one click.