Quick Response, or QR, codes, those black-and-white pixel squares that function as super charged consumer bar codes, are on advertisements, Web sites, and anything else at which you can point a QR ...

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 ...

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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 ...