興味深い。https://www.youtube.com/watch?v=NeM6GhG5y-g#t=7m テルアビブの友人に聞いてみたい。https://gigaom.com/2014/10/15/ibm-launches-a-type-of-data-escrow-in-the-cloud-for-the-internet-of-things/ 賢いVitalik。https://www.youtube.com/watch…