That’s all fine and good, but that doesn’t mean that most of those cryptocurrencies are suited to addressing that market. Pretty much only Zcash and Monero are. Those represent only a tiny fraction of the market. The big problem for crypto though is that if it is only used for narcotics, and there’s no plausible use case otherwise, it’ll all get outlawed. For it to support that business it needs to have an equally large legitimate use case and it definitely does not. Otherwise the early adopters will have just about as easy a time cashing out of this is as they would the underlying narcotics.