The european central bank does not run an exchange at the moment. That means that all the other european banks and all european Taller users will need to switch eventually?

And what about transactions in foreign currencies? I guess we would need a central private party for that, similar to visa.

Last time i checked, users had to exchange their funds on cendral exchanges. The funds you got from exchange A can not be used on exchange B. So from my understanding, it’s like you needed to use the same bank to interact (not just the same currency). How can this even be considered for adoption?