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

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

   Chadwick also noted that since the Guardian article, WhatsApp has been "better secured by the introduction of optional two-factor verification in February.". 2019. In May 2019, it was revealed that there was a security vulnerability in WhatsApp, allowing a remote person to install a spyware just by making a call which does not even need to be answered.

5. 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 ...

6. End-to-end encryption - Wikipedia

   en.wikipedia.org/wiki/End-to-end_encryption

   End-to-end encryption (E2EE) is a private communication system in which only communicating users can participate.As such, no one, including the communication system provider, telecom providers, Internet providers or malicious actors, can access the cryptographic keys needed to converse.

7. 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 ...

8. 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.

9. 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. This form of multi-factor ...