Comment Australia (Score 2) 34
Good for them. Australia has had PayID/Osko (https://en.wikipedia.org/wiki/New_Payments_Platform) since 2021.
Its only powered by an ESP32 microcontroller, so its primitive, but probably very secure.
C makes it easy for you to shoot yourself in the foot. C++ makes that harder, but when you do, it blows away your whole leg. -- Bjarne Stroustrup