A QR code is just a link to a website. Saves typing a full address into a device, quick scan and you're there. No more or less dangerous than typing in a web address. The parking ticket scam would work equally well without the QR code and just a URL.
"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10
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