What prosecutors? What criminal probe? In what country? When you speak in such generalities you don't help us engage in your discussion.
Just added the link from CNBC that talks about that criminal probe by the U.S (
https://www.c[Suspicious link removed]m/2018/11/20/regulators-investigate-whether-bitcoin-price-was-propped-up-illegally.html). DOJ because apparently the authorities suspect that there was foul play involved in the value of bitcoin being propped up for the past year. As I said, the probe started earlier this year, unbeknownst to many including me who are frequent users of bitcoin and other digital currencies.