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2. 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 ...

3. iPad - Wikipedia

   en.wikipedia.org/wiki/IPad

   The iPad is a brand of iOS - and iPadOS -based tablet computers that are developed by Apple, first introduced on January 27, 2010. The iPad range consists of the original iPad lineup and the flagship products iPad Mini, iPad Air, and iPad Pro . The iPhone's iOS operating system (OS) was initially used for the iPad but in September 2019, its OS ...

4. Credit card imprinter - Wikipedia

   en.wikipedia.org/wiki/Credit_card_imprinter

   Credit card imprinter. Manual 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]

5. 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 ...

6. 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. Supported on iPhone, Apple Watch, iPad, Mac, and Vision Pro, Apple Pay digitizes and can replace a credit or debit card chip and PIN transaction at a contactless-capable point-of-sale terminal.

7. 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 ...

8. Contactless payment - Wikipedia

   en.wikipedia.org/wiki/Contactless_payment

   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 making secure payments. The embedded integrated circuit chip and antenna enable consumers to wave their card ...

9. Is it safe to give an app my credit card information? - AOL

   www.aol.com/finance/safe-app-credit-card...

   The bottom line. Popular credit card-based apps such as Uber, Lyft, Google Pay and DoorDash will ask for your credit card information for convenience of use. Considering there are standards that ...