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  2. Square (financial services) - Wikipedia

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

    Neither card numbers, nor magnetic stripe data, nor security codes are stored on Square devices. [22] Square Reader is Payment Card Industry Data Security Standard compliant and Verisign certified. [22] Square provides its magnetic stripe card readers to sellers without charge. [53] Square charges $99 for Square Stand and $59 for its chip-based ...

  3. Block, Inc. - Wikipedia

    en.wikipedia.org/wiki/Block,_Inc.

    In October 2011, the company stated that it was processing about US$2 billion per year in payments through its "Square" card readers, charging 2.75 percent per swipe. [ 44 ] In 2012, Starbucks and Square announced a partnership that would allow Starbucks to use the Square payment technology to accept payments for coffee.

  4. 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 ...

  5. Hacks turn Square's reader into a card-stealing machine ... - AOL

    www.aol.com/news/2015-08-03-square-reader-card...

    As helpful as a Square Reader may be for purchases at trendy stores, you'll want to watch out -- in the right circumstances, they can also be used to steal your credit card info. Security ...

  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. Cash App - Wikipedia

    en.wikipedia.org/wiki/Cash_App

    Cash App (formerly Square Cash) is a digital wallet for American consumers. [1] Launched by Block, Inc. in 2013, it allows users to send, receive or save money, access a debit card, invest in stocks or bitcoin, [2] apply for personal loans, [3] and file taxes. [4] As of 2024, Cash App reports 57 million users and $248 billion in annual inflows ...

  8. Magnetic ink character recognition - Wikipedia

    en.wikipedia.org/wiki/Magnetic_ink_character...

    For EBCDIC, IBM code page 1001 encodes digits in their usual EBCDIC locations, transit as 0xDB, on us as 0xEB, amount as 0xCB, and dash as 0xFB. [ 3 ] IBM code page 1032 extends code page 1001 by adding alternative encodings for transit at 0x5C, 0x7A and 0xC1, on us at 0x4C, 0x61 and 0xC3, amount at 0x5B, 0x5E and 0xC2 and dash at 0x60, 0x7E ...

  9. 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.

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