Designed as a high-tech marketing resource, QR (quick response) codes have many useful applications. These (usually) black-and-white algorithmic codes are gateways to a potential multimedia nirvana.

Fintech has become ubiquitous in big tech as users benefit from the convenience of not having to dig for a wallet or hit an ATM for cash as well as other services. It is commonplace for people to whip ...

Apple Inc., whose Apple Pay is the leading mobile-payment service based on near field communication technology, reportedly is testing Quick Response codes as an alternative technology with Apple Pay.

The QR code feature, similar to Venmo's QR codes and others, will allow a user to scan a code with the camera of their smartphone so they can send or request money, while the sharable payment links ...