The online profile of #亚利桑那比特币储备 shows that he resides in Japan, and his email address comes from a free service site in Germany. There is also no relevant information about his name on Google, which clearly indicates that 'Satoshi Nakamoto' is a pseudonym. However, even if Satoshi Nakamoto has become a mystery, his invention has made a 10-year conundrum in cryptography 'disappear without a trace'.