> To be able to pay with Pix, one needs to get a CPF (Brazilian Tax ID).

It's not ideal, but you can use Wise to pay using Pix and India's UPI. You simply transfer the money from your local bank account to Wise and they transfer to whatever Pix you tell. It's almost instant.

Meanwhile, there are talks about integrating these systems. This is the obvious long-term game, a clear threat to Visa and MasterCard.

Right now in Brazil the only advantages of using a regular credit card are the cashbacks and convenience to use contactless. The convenience is going away -- Pix now supports contactless payment, but it's not widely accepted yet.