Related : GNU Taler.
You can apply to a fund to implement this system.
https://nlnet.nl/taler/
Has the characteristics to implement the digital Euro. Plus guarantees anonymity of buyers. And should be extremely cheap to operate. But is not under bank’s control.
alt Hacker News
Has the characteristics to implement the digital Euro. Plus guarantees anonymity of buyers. And should be extremely cheap to operate. But is not under bank’s control.