You might also be interested in https://github.com/kallerosenbaum/poppoc/wiki/Proof-of-Payme..., which will let you "login" by prooving that you made a small bitcoin transaction. The disadvantage of this sort of…
You might also be interested in https://github.com/kallerosenbaum/poppoc/wiki/Proof-of-Payme..., which will let you "login" by prooving that you made a small bitcoin transaction. The disadvantage of this sort of…