like if you don't know it you can see a reply from some people before. here he attaches a site that discusses the use of crypto currencies there
See this link, https://www.investopedia.com/news/litecoin-gains-ground-bitcoin-dark-web/
As we can see, Litecoin has gained 30% that has made transactions in the Darkweb aside from Bitcoin that mainly use.
Interesting to see Dash battling with Litecoin on the dark web.
It does seem to correspond with the transaction numbers on their network : https://bitinfocharts.com/comparison/transactions-ltc-dash-xmr.html#6m
(Monero transactions are included to demonstrate that Monero is simply not that much used during this bear market in comparison to other networks, it seems to be failing its primary use case)