For Vitalik Buterin, the idea of home is fleeting. The Russia-born coder, who built ethereum in his late teens, doesn’t stay long in any one city anymore. Meanwhile, the list of places he won’t go keeps growing. “There’s definitely a bunch of countries that I would have very gladly visited three years ago, that I’m much, much more apprehensive about visiting today,” Buterin told CNBC in an interview in the Czech Republic. Buterin singled out his homeland of Russia as one of the destinations he now avoids. The Canadian emigre has both Ukrainian and Russian roots but has actively supported the resistance movement in ... (full story)