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Joe Grand, also known as "Kingpin," is an inventor, hardware hacker, and security expert. He gained prominence as a member of the legendary hacker group L0pht Heavy Industries and later worked at @stake, focusing on uncovering vulnerabilities in technology. Joe is renowned for his expertise in hardware hacking and has designed numerous innovative electronic devices. He hosted the Discovery Channel series "Prototype This!", where he and a team created futuristic inventions. Joe frequently speaks at conferences like DEF CON, sharing his knowledge of hardware security and engineering. His work continues to inspire the tech and hacking communities worldwide.