well i think Satoshi Nakamoto is the name used by the unknown person or persons who developed bitcoin, authored the bitcoin white paper, and created and deployed bitcoin's original reference implementation.[1] As part of the implementation, they also devised the first blockchain database.[2] In the process they were the first to solve the double-spending problem for digital currency using a peer-to-peer network. They were active in the development of bitcoin up until December 2010
He is the greatest man so far for me since he created this kind of innovation that really benefited the whole world, and if the demand will continue to rise then for sure that a lot of people will really change their lifestyle .