> Because at a minimum you want American tourist dollars and Europe isn't going to start issuing European credit cards to Americans or other citizens around the world.

It could be handled similarly to how tourists in Brazil can now use Brazil's Pix payment system.

One way Brazil handles it is with 3rd party digital wallets that tourists can install on their phones such as Wallbit [1]. Another way is with 3rd party services that let you pay from your own digital wallet or bank app and the service makes the Pix payment [2].

[1] https://www.wallbit.io/en/blog/brazilian-pix-and-a-payment-a...

[2] https://www.pagbrasil.com/lp/pix-for-international-travelers...