You can identify a NFC card by looking for the contactless logo or a wifi symbol ... It has two elements; tag and reader. The tag has a microchip and antenna which helps in storing and ...

Often the term will bring to mind the ability to pay by holding your phone over a reader, but the system can also use NFC tags embedded in credit cards, ID card, passports, and the like.

from the NFC-enabled device or card to a reader or payment terminal. This practice ensures a customer does not unwittingly pay for someone else’s purchase, providing an added layer of security.