Grand Idea Studio

Ars Technica

 
Badge life: The story behind DEFCON’s hackable crystal electronic badge
Wednesday, Aug 21st, 2019   |  Read the Full Article

Original DEFCON hackable badge creator Joe “Kingpin” Grand gives Ars the story behind his comeback.

Press

Cool Tools

Joe Grand

The BarCode Podcast

Kingpin with Joe Grand

Hackaday

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