Are multiplex systems impacting US credit cards
The article discusses Brazil's "Pix" electronic payment system, which enables instant money transfers from one account to another using a QR code or phone number. It is a successful model used by over 160 million people in Brazil. The system faces an American-led attempt to restrict it, as the U.S. views it as unfair competition to traditional networks like Visa and Mastercard. Pix is considered part of a global wave of instant payment systems that are expanding and connecting markets across borders, potentially posing an indirect threat to American dominance over the global payment system.
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