A unique assembly puzzle centered on QR codes The puzzle components print as fragmented sections of a QR code Upon correct assembly, these pieces coalesce into a functional QR code, scannable by smartphones
This QR code puzzle was exhibited at SECCON 13 Denno Kaigi, an information security contest event held on March 1st and 2nd, 2025
Combining the disparate QR code pieces yields a complete QR code, readable by smartphones and similar devices
QR Code Puzzle - YouTube Short
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