How Brazil’s Pix digital payment system, adopted by 80%+ of citizens, became a target of the Trump administration, which says it unfairly undercuts US companies (Ana Ionova/New York Times)

Ana Ionova / New York Times:
How Brazil's Pix digital payment system, adopted by 80%+ of citizens, became a target of the Trump administration, which says it unfairly undercuts US companies  —  Brazil's fast and free homegrown digital payment system, PIX, has become wildly popular.  The Trump administration says it unfairly undercuts U.S. companies.