This year's Defcon badges include Baochip-1x, an open source chip whose security is verifiable and that can also be used as a hardware security token (Kim Zetter/Wired)

Kim Zetter / Wired : This year's Defcon badges include Baochip-1x, an open source chip whose security is verifiable and that can also be used as a hardware security token — Created by legendary hardware hacker Andrew “bunnie” Huang, the badges for this year's famed security conference aim to push the boundaries of security and transparency.