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  2. QR code payment - Wikipedia

    en.wikipedia.org/wiki/QR_code_payment

    A QR code payment is a mobile payment method where payment is performed by scanning a QR code from a mobile app. [1] This is an alternative to doing electronic funds transfer at point of sale using a payment terminal. [2] This avoids a lot of the infrastructure traditionally associated with electronic payments such as payment cards, payment ...

  3. 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. [5] [6] [7] 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; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...

  4. Barcode Scanner (application) - Wikipedia

    en.wikipedia.org/wiki/Barcode_Scanner_(application)

    Barcode Scanner scanning a QR code. The application Barcode Scanner is an Android app, from the open-source project ZXing (short for Zebra Crossing ), that allows an Android device with imaging hardware (a built-in camera) to scan barcodes or 2D barcodes and retrieve the data encoded. [2] Information encoded often includes web addresses ...

  5. Costco is cracking down on membership moochers - AOL

    www.aol.com/finance/costco-cracking-down...

    “Once deployed, prior to entering, all members must scan their physical or digital membership card by placing the barcode or QR Code against the scanner.” For members with cards that don’t ...

  6. Mobile payment - Wikipedia

    en.wikipedia.org/wiki/Mobile_payment

    Instead of paying with cash, cheque, or credit card, a consumer can use a payment app on a mobile device to pay for a wide range of services and digital or hard goods. Although the concept of using non-coin-based currency systems has a long history, [ 1 ] it is only in the 21st century that the technology to support such systems has become ...

  7. Digital card - Wikipedia

    en.wikipedia.org/wiki/Digital_card

    Identification with a digital card is usually done in several ways: Displaying a QR code on the customer's smartphone to the identifying host (a cashier i.e.). The unique QR code ensures privacy for every customer. Engaging an NFC protocol connection by placing the smartphone near the NFC Reader (using host card emulation method).

  8. File:Popl logo.png - Wikipedia

    en.wikipedia.org/wiki/File:Popl_logo.png

    File:Popl logo.png. No higher resolution available. Popl_logo.png ‎ (320 × 198 pixels, file size: 17 KB, MIME type: image/png) This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help.

  9. Unified Payments Interface - Wikipedia

    en.wikipedia.org/wiki/Unified_Payments_Interface

    As part of the Central Bank Digital Currency pilot project, Canara Bank has released the Unified Payments Interface compatible digital rupee mobile app. Without the need for a separate on-boarding procedure for CBDC for retailers, it will enable users to scan the existing UPI QR code and make payments using digital rupee. Customers in 26 Indian ...

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