In October 2013 he was arrested by the American Ross Ulbricht, the founder of the underground online market "silk road" (Silk Road) promote the distribution and sale of drugs, where the trade was exclusively with bitcoin. In February 2015, Ulbricht was sentenced by new York court to two life sentences. He was found guilty on most charges: distribution of narcotics, participation in a criminal Association, money laundering, forgery and computer hacking.
On the website you can buy drugs and other illegal drugs, payments are made with bitcoins. All purchases were made anonymously. The total turnover of the site during its existence have exceeded $ 200 million, and its owner has received commissions net profit of about $ 18 million.
In March of the same year, had seized the assets of the owner of the black market Sheep Marketplace, a citizen of the Czech Republic Tomas Jirkovsky, who is accused of laundering $40 million in bitcoins. And this is not all examples of crimes solved using Bitcoin.