Until, of course, in 2013 the Silk Road was shut down by FBI agents and Mr Ulbricht, then 29 years old, was arrested in the science-fiction section of a San Francisco public library. In 2015, after a four-week trial,

Law enforcement said Ulbricht created the “most sophisticated and extensive criminal marketplace” on the internet.

U.S. President Donald Trump on Tuesday pardoned Silk Road founder Ross Ulbricht, who was sentenced to life in prison for running an underground online marketplace where drug dealers and others conducted more than $200 million in illicit trade using bitcoin.