175 million people in Brazil now use its instant-payment system "Pix", developed by the country's central bank for real-time payments using QR codes or keys, and American Banker notes that the central banks of Argentina and Costa Rica also have developed their own widely used digital systems for instant payments.

Latin America has been able to build up sleek and effective payment systems in record time because it is not held back by legacy payment technology that isn't built for instant money movement. In the likes of the U.K., U.S. and Europe, payment systems are built on infrastructure that is often decades old. The process of building new systems is therefore incredibly operationally com...