A customer uses the Pix instant-payment system at popcorn seller's stand at Ipanema Beach in Rio de Janeiro, Brazil, on Friday, May 3, 2024. Pix now surpasses credit and debit cards as the preferred method of payment in Brazil, sparking interest across Latin America, Europe and Africa, where authorities are trying to understand the key to the platform's popularity. Photographer: Dado Galdieri/Bloomberg via Getty Images
