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2. Chip Authentication Program - Wikipedia

   en.wikipedia.org/wiki/Chip_Authentication_Program

   In all three modes, the CAP reader asks the EMV card to output a data packet that confirms the cancellation of a fictitious EMV payment transaction, which involves the details entered by the user. This confirmation message contains a message authentication code (typically CBC-MAC / Triple DES ) that is generated with the help of a card-specific ...

3. 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.

4. Credit card imprinter - Wikipedia

   en.wikipedia.org/wiki/Credit_card_imprinter

   Manual card imprinter Another type of manual card imprinter (Janome M220) with a smaller sliding handle. A credit card imprinter, colloquially known as a ZipZap machine, click-clack machine or Knuckle Buster, is a manual device that was used by merchants to record credit card transactions before the advent of payment terminals.

5. How to make payments with your phone - AOL

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

   Then follow the instructions to add credit and debit cards to Samsung Pay. ... you can visit the Google Play Store to download Google Pay. ... hold it above the Tap to Pay card reader, and let ...

6. Punched card input/output - Wikipedia

   en.wikipedia.org/wiki/Punched_card_input/output

   An IBM 80-column punched card of the type most widely used in the 20th century IBM 1442 card reader/punch for 80 column cards. A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards.

7. 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 ...