Frequently asked questions
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What’s the difference between the paper QR code and the CoronaCheck app?

A paper certificate (the QR code) comes in handy for visitors or travellers who don’t own a smartphone. In the CoronaCheck app, the Dutch QR code automatically changes every few minutes. So an inspector sees a different code every time. Of course, a paper QR code is unable to change. Which is why the paper version offers less privacy.