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QR-codes An QR-code can contain a relative lot of data. A code can be printed on something, but can be shown directly from a mobile device. Amongst the different uses of the codes are:
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TicketsAdd an unique QR-code to each event ticket. Consider the following elements by creating the tickets: - Create difficult to copy tickets
- Be sure to create QR-codes with unique attributes
- Add an checkable attribute to the QR-code
- Use a validity timestamp
- Use a tracking system to check on the QR-code validity
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