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  2. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_Code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...

  3. Square (financial services) - Wikipedia

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

    Square charges $99 for Square Stand and $59 for its chip-based Square Reader. [54] The Square app is freely downloadable from the Apple App Store and the Google Play Store. Square charges a fee of 2.6% plus $0.10 on every electronically scanned credit card transaction [55] or 3.50% plus $0.15 per manually-entered transaction. No monthly or set ...

  4. QR code payment - Wikipedia

    en.wikipedia.org/wiki/QR_code_payment

    The QR code system was invented in 1994 by Masahiro Hara from the Japanese company Denso Wave. [4]In December 2010, the first documented description of QR code-based payments came from two patents filed by Shaun Cooley and Andrew Charles Payne, based on a prototype system developed for Norton Labs at Symantec called Norton Mobile Pay.

  5. Block, Inc. - Wikipedia

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

    Block, Inc. (formerly Square, Inc. [10]) is an American technology company that provides financial services to consumers and merchants. [ 11 ] [ 12 ] [ 13 ] Founded in 2009 by Jack Dorsey , it is the U.S. market leader in point-of-sale systems.

  6. QR Codes Are Reshaping Public Transit, But Are They Safe? - AOL

    www.aol.com/qr-codes-reshaping-public-transit...

    "Because QR codes can sometimes be a little easy to fake, these apps now have the ability to have a kind of dancing QR code that can only be read by the by the train engineer's readers. This is so ...

  7. Rectangular Micro QR Code - Wikipedia

    en.wikipedia.org/wiki/Rectangular_Micro_QR_Code

    Rectangular Micro QR Code (rMQR Code) version R17x43. Rectangular Micro QR Code (also known as rMQR Code) is two-dimensional (2D) matrix barcode invented and standardized in 2022 [1] by Denso Wave as ISO/IEC 23941. [2] rMQR Code is designed as a rectangular variation of QR code and has the same parameters and applications as original QR code ...

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