Visa Reinvents the Card for the Digital Age

 https://usa.visa.com/about-visa/newsroom/press-releases.releaseId.20686.html

Digital currency can be very convienent.

https://usa.visa.com/pay-with-visa/contactless-payments/contactless-payments.html

However, without a cash system as a backup there might be some occasional problems.

https://usa.visa.com/visa-everywhere/blog/bdp/2024/05/14/the-end-of-1715697387003.html

https://usa.visa.com/visa-everywhere/blog/bdp/2024/05/14/the-key-to-1715698035525.html

https://bankingjournal.aba.com/2024/02/challenges-in-voice-biometrics-vulnerabilities-in-the-age-of-deepfakes/