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…
I guess that problems is not spammers, but something else, that not speaking.
Here in China, Telegram's phone verification messages are sent by a local company which is perfectly glad to share any data with the gov according to regulations.
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.