Hacker News new | ask | show | jobs
by quesera 792 days ago
They already check IDs of every entrant.

Also, in the US, your driver's license has a 2D barcode on the back which encodes your name.

The venue ticket has a QR code or similar which could also encode your name.

They already scan the venue ticket QR code. They could also scan your ID barcode, and beep differently if the names do not match.