How does credit/debit card work on merchant PoS
Published in
5 min readJul 30, 2019
Building seamless user experience requires lot of underlying technology to support the user experience. There is lot that goes into what looks like a simple card swipe and PIN entry to make payment at a shop. I am sharing my first hand experience on how does the card swipe or dip works on a PoS device and how does the payment flow.
Following steps are involved for a bank issued card…