“Never, ever claim your smart product is unhackable. Don’t snort bath salts either. The Bitfi is/was a hardware brain-wallet for crypto currency. John McAfee was probably paid to promote it & wisely identified that it was unhackable. @cybergibbons gathered a crack team of hardware and software researchers from across the world, including several of the team at PTP. Over a 2 week period they utterly ruined the Bitfi. A lot of this story is untold, particularly around the real-time …