The identity of Bitcoin founder Satoshi Nakamoto has once again attracted attention, and HBO plans to reveal his true identity through a documentary, although many people believe that this is just marketing hype. Satoshi Nakamoto's identity has always been a mystery, and many speculations and investigations have failed to reveal the truth. People's attention to Satoshi Nakamoto is not only out of curiosity, but also because of the market uncertainty brought about by the 1.1 million bitcoins he holds. As the market value of Bitcoin grows, this uncertainty becomes more serious. Although Satoshi Nakamoto's identity may never be revealed, his contribution to Bitcoin cannot be ignored.