“QR codes are a fad,” read the headline of an article published in Fall 2012. A few years later, the overhyped technology was included in a list of “Biggest Tech Fads of the Last Decade.” But then COVID happened, and now QR codes are widely used. The use cases were already there, but the need for social distance and everyone having internet-enabled smartphones combined to create the conditions for widespread use. Today, blockchain technology needs its own “Covid” moment.
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