What stopping you from taking a screenshot of the qr code and send it to the buy... | Hacker News

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		neurostimulant on Oct 15, 2022 \| parent \| context \| favorite \| on: Everyone going to World Cup must have this app, ex... What stopping you from taking a screenshot of the qr code and send it to the buyer? The timestamp can be bypassed by sending the screenshot when the buyer is already at the ticket-checking gate.

krolden on Oct 15, 2022 [–]

These apps generate a new code based on the time, etc. Its basically a TOTP password for an event.

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