Following on previous comments alluding to the big payment systems as a hegemonic cudgel, here's something about a Brazilian system being investigated by the US government for unfair competition.https://www.france24.com/en/americas/20250
How Brazil's innovative 'Pix' payment system is angering Trump and ZuckerbergThe Pix instant payment system is used by nearly everyone in Brazil, from street vendors to major retailers. In a recent op-ed, economist Paul Krugman even touted it as the “future of money”. Its success has sparked global interest and some political tension after US President Donald Trump launched an investigation into the system.