Brazil's instant payment system Pix processes US$660 billion monthly and is expanding globally, even as the US investigates its dominance. Here's what foreigners need to know.

Although the conflict stems from the trade war, the debate also revolves around geopolitical influence and digital and monetary sovereignty

Brazil's instant payment system Pix processes US$660 billion monthly and is expanding globally, even as the US investigates its dominance. Here's what foreigners need to know.