It was long believed that developed economies firmly rooted in the credit and debit card tap-and-pay ecosystem would be difficult to change. Due to their perceived insecurity and clumsiness, QR code ...

What is a QR Code? A quick-response code (QR code) is a type of barcode that contains data for a locator, an identifier, and web tracking. QR codes have been around for a long time. They were first ...