#cardnetworks — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #cardnetworks, aggregated by home.social.
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What do Visa and Mastercard do? An intro to card networks
https://tautology.town/2026/06/01/card-networks.html
Comments: https://news.ycombinator.com/item?id=49614280
#HackerNews #Visa #Mastercard #CardNetworks #PaymentProcessing #FinanceTechnology