How Does Contactless Payment Work?
The video defines it as paying by holding a card or phone close to a terminal.
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1.What is contactless payment?
The video defines it as paying by holding a card or phone close to a terminal.
2.What does NFC stand for?
The terminal and the card talk by radio using NFC, and the typical range is up to about 2 centimeters (NFC Forum).
3.How can a card with no battery work at a terminal?
NFC lets one side send power, so the reader wakes the chip just long enough to answer (NFC Forum).
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Education only. Not financial advice.