U.S. government investigators have demanded that several bitcoin (BTC) exchanges hand over trading data in relation to a probe into cryptocurrency price manipulation, The Wall Street Journal reported Friday, citing people familiar with the matter.
The probe began after the CME Group launched a bitcoin futures exchange six months ago, according to the report. The final values of the futures are based on prices at four bitcoin exchanges: Bitstamp, Coinbase, itBit and Kraken. Price manipulation in those markets could alter the price of bitcoin futures traded at the CME. Those futures are regulated by the Commodity Futures Trading Commission.
The CFTC became frustrated after the CME and the exchanges argued over exactly what trading data they should provide the CME, the report said. Read more here.