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  2. vCard - Wikipedia

    en.wikipedia.org/wiki/VCard

    RFC 6350. vCard, also known as VCF (Virtual Contact File), is a file format standard for electronic business cards. vCards can be attached to e-mail messages, sent via Multimedia Messaging Service (MMS), on the World Wide Web, instant messaging, NFC or through QR code.

  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. 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; the pattern of position detection was found and determined by applying the least-used ratio (1:1:3:1:1) in black ...

  4. File:Peter Kaufmann's Business Card.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Peter_Kaufmann's...

    Kaufmann's business (visiting) card gives his name, his profession (in German and English), and his contact address. Source E. Kaufmann, Grindelwald Date Original ca. 1900; copy 2016 Author Peter Kaufmann (1858-1924) Permission (Reusing this file)

  5. QR code payment - Wikipedia

    en.wikipedia.org/wiki/QR_code_payment

    QR code payment is a contactless 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 ...

  6. Add or disable 2-step verification for extra security - AOL Help

    help.aol.com/articles/2-step-verification...

    6. Scan the QR code using your authenticator app. 7. Click Continue. 8. Enter the code shown in your authenticator app. 9. Click Done. Sign in with 2-step for authenticator app. 1. Sign in to your AOL account with your password. 2. Enter the verification code shown in your authenticator app. 3. Click Verify.

  7. Barcode - Wikipedia

    en.wikipedia.org/wiki/Barcode

    A UPC-A barcode. A barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called barcode ...

  8. GCash - Wikipedia

    en.wikipedia.org/wiki/GCash

    Website. www .gcash .com. GCash is a Filipino mobile payments service owned by Globe Fintech Innovations, Inc. (doing business as Mynt), and operated by its wholly-owned subsidiary, G-Xchange, Inc. [1] Mynt is a joint venture between Ant Group, an affiliate company of the Alibaba Group who operates Alipay, the world's leading mobile and online ...

  9. Postcards (Netflix series) - Wikipedia

    en.wikipedia.org/wiki/Postcards_(Netflix_series)

    Postcards is a 2024 Nigerian-Indian Netflix series created by Hamisha Daryani Ahuja. Filmed in Lagos and Mumbai, the series is a cross-cultural venture between Nollywood and Bollywood and stars performers from both industries including Sola Sobowale, Richard Mofe Damijo, Tobi Bakre, Rahama Sadau, Rajneesh Duggal, and Nancy Isime.

  10. 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 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.

  11. Mobile payment - Wikipedia

    en.wikipedia.org/wiki/Mobile_payment

    Mobile payment, also referred to as mobile money, mobile money transfer and mobile wallet, is any of various payment processing services operated under financial regulations and performed from or via a mobile device. 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 ...