eecue writes “The folks at DefCon, the world’s largest hacker convention [previously on Slashdot], have been making awesome badges for years. Last year along with the convention badge, a group of hackers known as the Ninjas created an electronic badge for their exclusive party. This year the Ninjas have taken the whole electronic badge thing to the next level with an interactive, wireless, encrypted ninja battle video game badge. I convinved the Ninjas to give Wired.com an exclusive sneak peek, and let me tell you, this thing is awesome.”

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DefCon Ninja Badges Let Hackers Do Battle