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 think limiting the ability to write to a person privately, even more so if they have a @public username, would be a contradiction to the idea of the app, which is primarily a messaging app.
I don't know, writing this, I see myself able to do something in case the person does not have a user, but I understand that the "drawback" comes from having that @username.