Satoshi Nakamoto is known as the developer and founder of bitcoin. It was released in the year 2008. Satoshi Nakamoto is known as the brain behind this system but still nowadays Satoshi's identity are not revealed yet. Maybe there are reason why he/she/they are hiding. But the most important is they contributed a lot in advancement of technology. We should thank them or him/her. The mystery of Satoshi Nakamoto will still a big question mark in our minds.