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2. WhatsApp - Wikipedia

   en.wikipedia.org/wiki/WhatsApp

   In January 2015, WhatsApp launched a web client that allowed users to scan a QR code with their mobile app, mirroring their chats to their browser. The web client was not standalone, and required the user's phone to stay on and connected to the internet.

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

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

   Download QR code; Wikidata item; Print/export ... WhatsApp launches WhatsApp Web, a web client which can be used through a web browser by syncing with the mobile ...

4. QR code - Wikipedia

   en.wikipedia.org/wiki/QR_code

   Whereas a barcode is a machine-readable optical image that contains information specific to the labelled item, the QR code contains the data for a locator, an identifier, and for web-tracking. To efficiently store data, QR codes use four standardized modes of encoding: (i) numeric, (ii) alphanumeric, (iii) byte or binary, and (iv) kanji. [4] Compared to standard UPC barcodes, the QR labelling ...

5. WhatsApp officially announces QR codes and animated stickers

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

   WhatsApp today announced a slew of new features that are set to roll out “over the next few weeks.” While people aren’t meeting up in person all that often these days because, you know ...

6. Timeline of WhatsApp - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_WhatsApp

   Timeline of WhatsApp. The following is a timeline of WhatsApp, a proprietary cross-platform, encrypted, instant messaging client for smartphones. [1] Year. Month and date. Event type. Details. 2009. February 24.

7. End-to-end encryption - Wikipedia

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

   Modern messaging applications can also display fingerprints as QR codes that users can scan off each other's devices. Endpoint security. The end-to-end encryption paradigm does not directly address risks at the communications endpoints themselves.

8. 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 ...

9. Messenger (software) - Wikipedia

   en.wikipedia.org/wiki/Messenger_(software)

   WhatsApp security and privacy features; ... A Firefox web browser add-on was released in ... Users can scan special, branded QR codes through Messenger's camera ...