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 really see no reason why telegram has not yet implemented this, other than not putting it in priority or the issue itself not getting enough visibility, it's also something really trivial to implement compared to the big stuff that telegram is delivering lately and would improve drastically the UX of many bots.
https://telegra.ph/Why-deep-linked-URLs-must-start-immediately-03-16