“Why should it be necessary?” Weisberger said in an interview with CoinDesk.” Because Kraken, Coinbase, ItBit, Lmax and Bitstamp — all of their data feeds are public,” he added. “The SEC could clearly get all this data or hire someone to feed it to them. You can know every trade in every order, and that will give the SEC the ability to say, ‘Hey, this looks like a manipulative trade. So who did it?'”