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2. How to make payments with your phone - AOL

   www.aol.com/finance/payments-phone-164336000.html

   When you swipe, tap or insert your credit or debit card into a standard credit card terminal, the card reader collects the information stored on your card and uses it to complete the transaction.

3. Contactless payment - Wikipedia

   en.wikipedia.org/wiki/Contactless_payment

   EMV contactless symbol used on compatible payment terminals. EMV stands for "Europay, Mastercard, and Visa", the three companies that created the standard.Contactless 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 ...

4. Square (financial services) - Wikipedia

   en.wikipedia.org/wiki/Square_(financial_services)

   Square Terminal features a display, prints receipts, and accepts chip, swipe, and contactless payments. [42] Unlike the basic card reader, it does not require a phone or tablet. It is more affordable than Square Register. It was designed to replace the older credit card terminals encountered in many stores.

5. Contactless smart card - Wikipedia

   en.wikipedia.org/wiki/Contactless_smart_card

   A contactless smart card is a card in which the chip communicates with the card reader through an induction technology similar to that of an RFID (at data rates of 106 to 848 kbit/s). These cards require only close proximity to an antenna to complete a transaction.

6. Payment terminal - Wikipedia

   en.wikipedia.org/wiki/Payment_terminal

   PAX Technology S90 credit card terminal with a Visa card inserted.. A payment terminal, also known as a point of sale (POS) terminal, credit card machine, card reader, PIN pad, EFTPOS terminal (or by the older term as PDQ terminal which stands for "Process Data Quickly" [1]), is a device which interfaces with payment cards to make electronic funds transfers.

7. Card reader - Wikipedia

   en.wikipedia.org/wiki/Card_reader

   A card reader is a data input device that reads data from a card-shaped storage medium and provides the data to a computer. Card readers can acquire data from a card via a number of methods, including: optical scanning of printed text or barcodes or holes on punched cards, electrical signals from connections made or interrupted by a card's punched holes or embedded circuitry, or electronic ...