Contactless payment - Wikipedia
https://en.wikipedia.org/wiki/Contactless_payment
OverviewHistoryAdoption and usageTechnologySecuritySee alsoExternal linksContactless payment systems are credit cards and debit cards, key fobs, smart cards, or other devices, including smartphones and other mobile devices, that use radio-frequency identification (RFID) or near-field communication (NFC) for making secure payments. The embedded integrated circuit chip and antenna enable consumers to wave their card, fob, or handheld device over a reader at …
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