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

Hamish & Andy

Episode 161

Business Insider

I'm a hacker who helps people ...

Boing Boing

How my friend recovered $2 million ...