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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. Application-level gateway - Wikipedia

    en.wikipedia.org/wiki/Application-level_gateway

    An application-level gateway ( ALG, also known as application-layer gateway, application gateway, application proxy, or application-level proxy) is a security component that augments a firewall or NAT employed in a mobile network. [1] [2] It allows customized NAT traversal filters to be plugged into the gateway to support address and port ...

  4. 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 ...

  5. Unified Payments Interface - Wikipedia

    en.wikipedia.org/wiki/Unified_Payments_Interface

    Unified Payments Interface, commonly referred to as UPI, is an Indian instant payment system as well as protocol developed by the National Payments Corporation of India (NPCI) in 2016. The interface facilitates inter-bank peer-to-peer (P2P) and person-to-merchant (P2M) transactions. [ 1][ 2] It is used on mobile devices to instantly transfer ...

  6. Swish (payment) - Wikipedia

    en.wikipedia.org/wiki/Swish_(payment)

    It is possible to pay by scanning a QR code. Prior to the implementation of Swish, cash was the primary means for many of these types of real-time transactions. As such, Swish is used for transactions that used to be mostly cash-based. [7] The service is free for private users since the start 2012.

  7. WeChat Pay - Wikipedia

    en.wikipedia.org/wiki/WeChat_Pay

    WeChat Pay is a digital wallet service incorporated into WeChat, which allows users to perform mobile payments and send money between contacts. [5] Now, WeChat Pay has six different payment products: Quick Payment, QR Code Payment, Mini Program Payment, Official Account Payment, In-APP Payment, and Web Payment. [6]

  8. Touch 'n Go eWallet - Wikipedia

    en.wikipedia.org/wiki/Touch_'n_Go_eWallet

    Touch 'n Go eWallet is a Malaysian digital wallet and online payment platform, established in Kuala Lumpur, Malaysia, in July 2017 as a joint venture between Touch 'n Go and Ant Financial. [5] It allows users to make payments at over 280,000 merchant touch points via QR code; pay for tolls, street parking, payment on e-hailing, car-sharing apps ...

  9. Barcode - Wikipedia

    en.wikipedia.org/wiki/Barcode

    Google's mobile Android operating system can use their own Google Lens application to scan QR codes, or third-party apps like Barcode Scanner to read both one-dimensional barcodes and QR codes. Google's Pixel devices can natively read QR codes inside the default Pixel Camera app. Nokia's Symbian operating system featured a barcode scanner, [ 28 ...

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