Original article: PIX: el sistema de pago brasileño presionado por Visa y Mastercard Brazil’s Pix Payment System Faces Pressure from Visa and Mastercard In just over five years, Brazil has achieved what few countries have managed: establishing a digital payment system that not only competes directly with American giants Visa and Mastercard but has also surpassed them in transaction volume. However, this success has ignited a geopolitical and commercial battle that threatens to hinder this financ...