> but because it can give ideas to other countries doing the same
This is happening right now in Europe. You have systems like Blik, Twint, Swish etc.
I know that at least Blik is working on making it possible for international payments.
What's needed in Europe is federation of the existing systems, not one winner taking it all.
Twint is in Switzerland for more than 10 years, hardly a new idea
> I know that at least Blik is working on making it possible for international payments
International transfers between MB Way (PT) and Bizum (ES) are working e.g. via phone number. See also https://en.wikipedia.org/wiki/European_Payments_Alliance