Goods and services that would be considered as illegal to sell in any means under normal physical circumstances are being sold in large quantities through the internet. In many respects, this could be considered as a “Cyber Enabled Crime” which would take the definition

“traditional crimes which can be increased in scale or reach by the use of computers, computer networks or other forms of ICT (such as cyber-enabled fraud and data theft).”

Indeed, the definition taken from the Uk Crown Prosecution Service (CPS) would include “Online marketplaces for illegal items”.

https://www.cps.gov.uk/legal-guidance/cybercrime-prosecution-guidance