it can be used for illegal activities but I won't recommend doing so. Do it at your own risk. And yes, it's quite useful for such activities due as the user anonymity is pretty high compared to other currencies.
On the off chance that you investigated the rates of Bitcoin being utilized for illicit exercises versus the level of USD exercises being utilized for illicit exercises, Bitcoin would win by a gigantic sum
With a such anonymity , simple exchange or whatever other advantages that a client involvement in bitcoin , it's truly a standout among other choice to those individuals who are utilizing it in unlawful exercises.