March 2022: New BIS Bulletin – Central banks, the monetary system and public payment infrastructures: lessons from Brazil’s Pix

By  Angelo Duarte, Jon Frost, Leonardo Gambacorta, Priscilla Koo Wilkens and Hyun Song Shin

Key takeaways

  • Public payment infrastructures build on the central bank’s foundational role in the monetary system by promoting competition and interoperability between payment platforms. They can reduce costs for users and promote financial inclusion.
  • Brazil’s recent experience with the Pix retail instant payment system illustrates the potential gains. In little over a year since its launch in November 2020, Pix has signed up 67% of adults in Brazil, with free payments between individuals and low charges for merchants.
  • The two key ingredients in the success of Pix are, first, the mandatory participation of large banks to kick-start network effects for users, and second, the central bank’s dual role as infrastructure provider and rule setter.


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Central banks, the monetary system and public payment infrastructures: lessons from Brazil’s Pix