Yes. Even bitcoin has just starting up, there are numerous incidents linking to it as ways of transacting and sending money as to used in illegal ways. People behind it used bitcoin so they can properly do their transactions smooth and clean. This has been alarming as this can create big numbers of crimes and affect million of lives. Abusive and over abuse of the power of bitcoins as to used in illegal ways forces the state and the government put relations over the cyrptoworld. Scams and fraudulent is spreading over the world internet world now.