Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other device.

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Cybersecurity experts are warning about scammers using QR codes to take advantage of unsuspecting victims. Short for "quick response" code, the small barcodes are ubiquitous, getting scanned using a ...

A manually constructed QR code offers a rare look into how digital information is stored using simple patterns. By assembling ...