There is GNU Taler from GNUNet project, and hashgraph (discussion here https://libredd.it/rty0vt), the main advantage of monero and crypto more generally is to have a way to send money.
There is GNU Taler from GNUNet project, and hashgraph (discussion here https://libredd.it/rty0vt), the main advantage of monero and crypto more generally is to have a way to send money.