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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.

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. Rectangular Micro QR Code - Wikipedia

   en.wikipedia.org/wiki/Rectangular_Micro_QR_Code

   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.

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. Block, Inc. - Wikipedia

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

   In November 2020, Square announced it was acquiring Credit Karma Tax, a free do-it-yourself tax-filing service, from Credit Karma for $50 million and would make it a part of its Cash App unit. [121] In March 2021, Square announced it was acquiring a significant majority in music streaming platform Tidal for $293 million in a deal of stock and ...