Two-dimensional (2D) barcodes, more prominently recognized as QR codes, are back in fashion—with much demand for just about 'contactless' everything these days. Coinbase didn't waste time in seizing ...

QR codes — or "Quick Response" codes — are square-shaped barcodes that can be scanned by mobile devices. They are used for a variety of applications, from pulling up a restaurant menu to directing ...

QR codes have been around a long time, since 1994 to be specific. While the QR code originated almost 30 years ago, the concept was slow to catch on with the general public. According to an article by ...