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NFC (Near-Field Communication) is a short-range wireless technology, typically requiring a distance of 4cm or less to initiate a connection between two endpoints.

19 votes
5 answers
5k views

NFC contactless payment security

Why aren't PINs always a requirement when paying using NFC? EDIT: I do realize that the amount you can pay for using NFC is limited*. … Or are there other technical / security concerns with PINs and NFC in general? …
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