I see what you mean. The barcode wouldn't work offline. It seems like that didn'... | Hacker News

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		james2doyle on July 8, 2024 \| parent \| context \| favorite \| on: Reverse engineering Ticketmaster's rotating barcod... I see what you mean. The barcode wouldn't work offline. It seems like that didn't matter at the venue though? The spotty internet connection not allowing the code to load was the first part of the article wasn't it?

shaftway on July 15, 2024 [–]

The article goes into that. If you open up the app ahead of time and download the ticket, it gets enough information to re-generate the barcode every 15 minutes. It's only a problem if you don't go into the app and fetch the data ahead of time.

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