I literally linked my reference. I found similar references. Lowest figure I've seen is 90% Chinese speculators. edit: if you mean the drug usage as the next b

I literally linked my reference. I found similar references. Lowest figure I've seen is 90% Chinese speculators. edit: if you mean the drug usage as the next biggest: in 2014, darknet markets saw more use than all legitimate payment processors put together. https://www.usenix.org/conference/usenixsecurity15/technical-sessions/presentation/soska https://www.usenix.org/conference/usenixsecurity15/technical...