According to Australian studies, 47% of all bitcoin transactions happen on the darknet. And, of course, involve criminal activity. Cryptocurrency is ideal for illegal operations, providing the necessary level of anonymity. Tracking a wallet’s owner is extremely difficult, despite the fact that in the blockchain everything is transparent and open. Such a paradox. Basically, cryptocurrencies give carte blanche to the outlawed.
Read the details in the article of Coinidol dot com, the world blockchain news outlet: https://coinidol.com/cryptocurrencies-on-the-darknet/