I can't find the details of the UK system, but it's not "monopolized" in Brazil. Perhaps due to the fact that the infra is provided by the Central Bank, and ban

I can't find the details of the UK system, but it's not "monopolized" in Brazil. Perhaps due to the fact that the infra is provided by the Central Bank, and banks choosing to implement Pix support must implement the Pix APIs in their system.