He should have accepted their offer of 10% as a bug bounty. Certainly crypto folk love to act like unregulated markets but this smells like market manipulation to my armchair education and even if the market tries to play both ways, the courts won't. I do hope that the Ontario court fights the extradition, because the American laws leveled at him seem bogus by Canadian standards (wire fraud, extortion and money laundering) but that tort case might be legit.