It's the first action of its kind by FinCEN, which assessed that the Helix and Coin Ninja services failed to file suspicious activity reports and follow other financial rules.

It’s only the latest in a series of international sting operations against illicit underground commerce.

Drugs, not malware, are the most popular items sold on dark web markets.

This action only is the latest in a steady international campaign aimed at rooting out dark web markets.

The sentencing judge described Grant West as “a one-man cybercrime wave.”

Lesser-known cryptocurrencies like Monero, Dash and ZCash are all the rage in the criminal underground.