This "black hat drug lord" is just one example, there are many such criminals using cryptos. But, according to statistics fiat is being used much more.
Such cryptocurrencies as Monero and Zcash are quite popular among the criminals in the dark web.
Even Monero and Zcash are bring used nit only by the criminals, but also everyone who takes care about his security in the network
And also, the statistics says that more than 95% of transactions in dark net are made with, actually, fiat cash
