Because of bitcoin does not give public details of people who make transaction with it, some people do say it promote crime. People needs to understand one of the features of bitcoin is freedom that anybody can get access to it, it does not discriminate. The privacy features of bitcoin is very important to humanity, which I know one of its advantage is for safety by using cryptography that makes all transactions safe and encrypted.
Privacy in transactions of bitcoin is much important, if their was no privacy it would have cause several criminal attacks. For those who think bitcoin encourages crime because of hiding public data of users don't understand the importance of bitcoin being private. Before bitcoin started existing monetary crime have been existing. Bitcoin is not a reason for monetary crime, bitcoin is just for everyone and does not discriminate but accept everyone.
Bitcoin does not encourage crime as it is said. Those who say that do not fully understand the privacy concept of using bitcoin or cryptocurrency. However, criminal minded individuals would really appreciate the fact that they could carry out huge financial transaction across country and continent and no financial or security institution can be a barrier and with no delay. I hope you know that if huge financial transaction is made in the conventional bank, it is easier to call the individual for investigation.
We simply need to educate the public what bitcoin and cryptocurrency really is and how it works because criminal minds would want to exploit any opportunity to perpetuate their ill