Cryptocurrency donations for bots, groups and channels
Show a button for sending quick donations to maintainers of bots, groups or channels using cryptocurrency. This could use either an established cryptocurrency like Bitcoin, Etherium, EOS, etc. – or some…
It seems that the mobile you have in your phonebook has been re-assigned by the mobile carrier. This means that those who had the mobile in past, now see you in their contacts list. This is not a Telegram fault. It's just an effect of what the mobile carrier usually do: already existing mobile re-assigning to new carrier's customers.
For more info, please, contact our in-app support going to Settings — Ask a question.
Actually there are two cards, with plenty of votes, that suggest to the make the alert optional: https://bugs.telegram.org/c/65 ; https://bugs.telegram.org/c/82 .