Crypto derivatives exchange BitMEX has announced leadership changes, a week after the U.S. government charged its founders. Arthur Hayes, one of the defendants in the case, is no longer BitMEX CEO, from immediate effect. Similarly, another named and arrested defendant, Samuel Reed is no longer the exchange's CTO. The two other named defendant, founder Ben Delo, will not hold executive positions in the 100x Group, the parent company of BitMEX. Additionally, Greg Dwyer will take a leave of absence from his role as Head of Business Development.