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2. QR code - Wikipedia

   en.wikipedia.org/wiki/QR_code

   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. rMQR Code is designed as a rectangular variation of QR code and has the same parameters and applications as original QR code.

3. 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 ...

4. Masahiro Hara - Wikipedia

   en.wikipedia.org/wiki/Masahiro_Hara

   Japanese. Alma mater. Hosei University. Known for. Inventing the QR code. Awards. European Inventor Award. Masahiro Hara ( Japanese: 原 昌宏, Hepburn: Hara Masahiro, born 1957) is a Japanese engineer and Hosei University graduate who is best known for inventing the QR code in 1994. [1] [2]

5. 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.

6. Barcode - Wikipedia

   en.wikipedia.org/wiki/Barcode

   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 ...

7. Extended Channel Interpretation - Wikipedia

   en.wikipedia.org/wiki/Extended_Channel...

   Extended Channel Interpretation. Extended Channel Interpretation (ECI) is an extension to the communication protocol that is used to transmit data from a bar code reader to a host when a bar code symbol is scanned. It enables the application software to receive additional information about the intended interpretation of the message contained ...