QR CODE

May 13, 2019

The government is looking to mandate a QR code-based payment option using Unified Payments Interface (UPI) at all shops. The measure is intended to promote digital payments as the preferred option. The details are being worked by the National Payments Corporation of India (NPCI).

QR Code:

What is it? The QR Code is a two-dimensional version of the barcode. ‘QR’ stands for "Quick Response", which refers to the instant access to the information hidden in the Code.
Working:
- It consists of black squares arranged in a square grid on a white background.
- Up to 7089 digits or 4296 characters can be entered in one Code.
- The hidden information can be read by an imaging device such as a camera and the required data is then extracted from patterns that are present in code.
Applications: It was first designed in 1994 for the automotive industry in Japan. Now it is widely used to get to websites more quickly. Key applications are Product tracking, item identification, general marketing etc.