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  2. WhatsApp - Wikipedia

    en.wikipedia.org/wiki/WhatsApp

    WhatsApp Web's user interface is based on the default Android one and can be accessed through web.whatsapp.com. Access is granted after the users scan their personal QR code through their mobile WhatsApp application. There are similar solutions for macOS, such as the open-source ChitChat, previously known as WhatsMac.

  3. WhatsApp officially announces QR codes and animated stickers

    www.aol.com/whatsapp-officially-announces-qr...

    WhatsApp made it easier to focus on a single participant during a group call — just press and hold on their video. WhatsApp today announced a slew of new features that are set to roll out ...

  4. Scan (company) - Wikipedia

    en.wikipedia.org/wiki/Scan_(company)

    Scan's products consist of mobile applications that consumers use for reading a variety of physical codes such as QR codes, NFC, and machine-recognizable images (Computer Vision). Scan's website allows for the creation of QR codes as well as targeted codes that link to web destinations such as social network profiles, websites, and Scan-hosted ...

  5. 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 ...

  6. Reception and criticism of WhatsApp security and privacy ...

    en.wikipedia.org/wiki/Reception_and_criticism_of...

    WhatsApp launches WhatsApp Web, a web client which can be used through a web browser by syncing with the mobile device's connection. Jan 21, 2015: WhatsApp announces its policy on cracking down on 3rd-party clients, including WhatsApp+. Users would not be able to use WhatsApp’s services at all until the third-party apps are uninstalled.

  7. Multi-factor authentication - Wikipedia

    en.wikipedia.org/wiki/Multi-factor_authentication

    Multi-factor authentication is typically deployed in access control systems through the use, firstly, of a physical possession (such as a fob, keycard, or QR-code displayed on a device) which acts as the identification credential, and secondly, a validation of one's identity such as facial biometrics or retinal scan.

  8. Signal (messaging app) - Wikipedia

    en.wikipedia.org/wiki/Signal_(messaging_app)

    To verify that a correspondent is really the person that they claim to be, Signal users can compare key fingerprints (or scan QR codes) out-of-band. The platform employs a trust on first use mechanism in order to notify the user if a correspondent's key changes. Local storage

  9. UC Browser - Wikipedia

    en.wikipedia.org/wiki/UC_Browser

    UC Browser is a web browser developed by mobile internet company UCWeb, a subsidiary of the Alibaba Group. It was the most popular mobile browser in India , Indonesia , and Mali , as well as the second-most popular one in China as of 2017.