The QR code was developed in the early 2000s but spiked in popularity during the COVID-19 pandemic as a way to reduce ...

QR codes, once a convenient tool for accessing information, are now being exploited by criminals to scam unsuspecting users.

You don’t need an app for this —your phone can do it already. You don’t need an app for this —your phone can do it already. The humble QR (or Quick Response) code has become ubiquitous.