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2. Apple Pay - Wikipedia

   en.wikipedia.org/wiki/Apple_Pay

   Apple Pay is a mobile payment service by Apple Inc. that allows users to make payments in person, in iOS apps, and on the web. It is supported on iPhone, Apple Watch, iPad, Mac, and Vision Pro. It digitizes and can replace a credit or debit card chip and PIN transaction at a contactless-capable point-of-sale terminal.

3. Near-field communication - Wikipedia

   en.wikipedia.org/wiki/Near-field_communication

   This chip is commonly found in smartphones and other NFC devices. Near-field communication ( NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of 4 centimetres (1.6 in) or less. [1] NFC offers a low-speed connection through a simple setup that can be used for the bootstrapping of ...

4. Punched card input/output - Wikipedia

   en.wikipedia.org/wiki/Punched_card_input/output

   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.

5. FeliCa - Wikipedia

   en.wikipedia.org/wiki/FeliCa

   FeliCa. FeliCa is a contactless RFID smart card system from Sony in Japan, primarily used in electronic money cards. The name stands for Felicity Card. First utilized in the Octopus card system in Hong Kong, [1] the technology is used in a variety of cards also in countries such as Singapore, Japan, Indonesia, Macau, the Philippines and the ...

6. Contactless smart card - Wikipedia

   en.wikipedia.org/wiki/Contactless_smart_card

   Contactless smart card. A contactless smart card is a contactless credential whose dimensions are credit card size. Its embedded integrated circuits can store (and sometimes process) data and communicate with a terminal via NFC. Commonplace uses include transit tickets, bank cards and passports. There are two broad categories of contactless ...

7. Credit card imprinter - Wikipedia

   en.wikipedia.org/wiki/Credit_card_imprinter

   Credit card imprinter. 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. [1]