Because of the semi-anonymous nature of Bitcoin, its used in ransomware attacks. Hackers breach networks and hold them hostage until payment is made to them. Hospitals and schools have been victims of these types of attacks. However, unlike cash, which was favored by thieves in the past, Bitcoin always leaves a trail in the blockchain that investigators can follow.
Well, no, I would certainly not say, because it is not so, this cryptocurrency is really expensive, but still in its measures, so do not speak so sharply, because many people also use it and are looking for a plus.