Sweden has had a similar system for several years before PIX in Brazil. It is also integrated with the digital ID system (BankID). The main difference is that the Swedish system is ran through a private organization managed by all the major banks (and the central bank) in conjunction. So the central bank doesn't have direct access to the transaction data technically. While the Brazilian system is only interacted dire…
I work in Swiss banking. We also have such a system for payments. Its very popular and used by most people. I keep saying they should use it as SSO, if you can authenticate payments you damn well can authenticate login requests. It makes no sense to go to an online shop, log-in with your shop account or google, and then when you pay, authenticate the payment with TWINT. And banks could even use it to login to their e…
I have also used it on airline websites, Aer Lingus and Wizz Air.