The US patents and trademark office today published a patent by Visa [1], the card payments network, for a digital currency issued on a blockchain [2-4]. This is not their first patent in this area [5].

  1. http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=/netahtml/PTO/srchnum.html&r=1&f=G&l=50&s1=20200151682.PGNR.
  2. https://www.forbes.com/sites/jasonbrett/2020/05/14/visa-submits-patent-application-for-digital-dollar-using-blockchain/
  3. https://www.coindesk.com/visa-digital-fiat-currency
  4. https://news.bitcoin.com/visa-cryptocurrency-system/
  5. http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=%22Visa+International+Service+Association%22&OS=%22Visa+International+Service+Association%22&RS=%22Visa+International+Service+Association%22

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