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…
So the fact is, that Gmail, with email registration, deals with spam far better, than Telegram, with phone number registration.
Phone number does not help to prevent spam.
I guess that you can settle who can contact you as well who can search for you and even add to groups.