These opportunities have the unrighteous users of this cryptocurrencies to also used its advantage. We cannot deny for a fact that cyber crimes have been committed since the birth of the internet. Once, stealing was done with having guns, now, robbers can easily hack bank accounts or counterfeit credit cards to their advantage. Sooner, cryptocurrencies can be used to pay crimes such as services for creating counterfeit birth certificates and this is not far from happening. Actually, the US has already cases on this matter.
Another is the crime of buying illegal-drug emporium that used Bitcoin as a medium of exchange, politicians and policymakers took notice. Criminals, it turns out, really like bitcoins, which can be exchanged for nefarious purposes on the "Dark Web," with complete anonymity and, it seems, impunity.
Although, there are some articles that i have read regarding criminals cannot hide behind bitcoins, still, there are difficulties tracing transactions using cryptocurrencies. That is why law enforcement agencies should have a to change their procedures to pursue criminals who make use of the latest technology to commit crimes. Let the law find a way to evolve to address new tech challenges. There is no reason to expect that law enforcement won’t be able to get a handle on this new cybercrime.
I think before the existence of any cryptocurrencies, criminality is already in the virtual world, or more in the know with cybercrime, it already exists and many. but with the presence of bitcoin today, cybercrime is increasingly rampant, because the payment transactions they receive, using bitcoin, making it very difficult to track, because the nature of bitcoin is very anonymous