Somewhere in India right now, a transaction is happening. At a sweet shop in Chandni Chowk. At a medicine counter in Imphal. At a roadside stall where a vendor has never owned a cheque book in his ...

I have a friend who calls me occasionally to help him with various little things having to do with the technology at his house. This week, one of his requests was to learn more about QR codes and how ...

Anatomy of a QR code While it is easy for people to read Arabic numerals, it is hard for a computer. Bar codes encode alphanumeric data as a series of black and white lines of various widths. At the ...

Difference Between a Barcode and a QR Code: A Barcode is a 1-D code that contains just simple numbers or letters. A QR Code ...

In 2019, New Balance piloted placing QR codes on an exclusive run of basketball shoes. Wearers verified their purchase via a chip-embedded “Real Chain” card that recorded ownership and authenticated ...