You are incorrect.
What went down were apps from banks that use PIX, not the core infrastructure.
That is responsibility of the banks. It means private banks like Itau and Nubank rely on Amazon, not the Central Bank. They relied on those hyperscalers for their operation, and their gateways went down with it.
PIX has sovereign, private infrastructure on brazillian soil managed by Banco Central. NIC.br and other essential services do the same.
PIX is ours.
This is a minor technicality, if private banks are down then the SPI is basically useless. Banks can send money to each other but clients can’t see it.
> What went down were apps
Plus, this is an oversimplification.
Transaction authorization, Fraud/AML screening, account validation are not just part of an “app”, they are core functionality of private banks operations, and they are made scalable by big cloud providers.
The true scaling burden is on private banks not the BCB
> The true scaling burden is on private banks not the BCB
Exactly. That is one of the aspects that allow for the system to be sovereign and scalable. Banco Central controls the core, and that's all it needs to.
This is good design. Descentralized, modern, resilient and efficient.