I've worked with banking tech for almost 20 years in Brazil. The Pix system is great, but before that we already had TED which was slower but very reliable (the main downside is that it that it closes outside commercial hours for post processing). There are a lot of a lot of other things like Boleto (which are use for billing) and more recently the "Open Finance" system which allows different institutions to share cu…
You can say several bad things about Brazil, but it being poor is not one of them.
> The reason?
A friend that worked in banks in Brazil and Canada thinks that it may be because Brazilian banks went digital later, so it was easier to implement more modern features.
This is, banks that went digital earlier stuck with older technologies because them just worked.
In the opposite way: Japan. It was a futuristic country in the past but now they still use fax and recently abandoned floppy disks