The Silk Road guy, also known as Dread Pirate Roberts, is believed to have had around 700,000 bitcoins at the time of the Silk Road shutdown. That would be worth around $4.
3 billion at today’s prices.
It’s not clear exactly how many bitcoins Silk Road had, or how much Dread Pirate Roberts personally had, but we do know that Silk Road was responsible for around 4% of all bitcoin transactions at the time. So it’s safe to say that they had a lot of bitcoin.
Interestingly, Dread Pirate Roberts didn’t seem to care too much about the money. In one interview, he said that he would “be happy if Silk Road closed tomorrow and everyone got their money back.”
It seems like Dread Pirate Roberts was more interested in the idea of Silk Road than the money it generated. But even so, 700,000 bitcoins is a lot of money, and it’s likely that he made off with a hefty chunk of change when Silk Road was shut down.