American law enforcement just illustrated how important cryptocurrency has become in the criminal world.
https://www.engadget.com/2020/02/13/man-charged-over-300-million-bitcoin-laundering/
origin - https://www.pipiscrew.com/2020/02/ohio-man-charged-for-laundering-300-million-through-bitcoin-mixer/ ohio-man-charged-for-laundering-300-million-through-bitcoin-mixer