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Singapore has been using QR codes for years, not just since Monday.
by freddie_mercury 8y ago
Singapore has been using QR codes for years, not just since Monday.
- Uberphallus 8y agoThe one we're talking about is since Monday. There are others in place, displayed in tablets/screens, dynamically generated and cryptographically secure. This is printed, like the fraud-ridden Chinese codes, so it's vulnerable to the "sticker attack".