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.

Scott Ruoti does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

QR codes have become increasingly popular in the United States during the COVID-19 pandemic, as the technology has become easier to use and consumers have shopped at home more. Nearly half of ...