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.

The Washington State Department of Health is announcing that vaccine verification options now include QR code functionality through WA Verify, the state’s new Digital COVID-19 Vaccine Record system.

THE NUMBER of local government units (LGUs) that have integrated a central bank-backed quick response (QR) code program for public market vendors more than doubled last year, according to the Bangko ...