Who Developed Bitcoin? The original Bitcoin code was designed by Satoshi Nakamoto under MIT open source license. In 2008 Nakamoto outlined the idea behind Bitcoin in his white paper, which scientifically described how the cryptocurrency would function. Bitcoin is the first successful digital currency designed with trust in cryptography over central authorities. Satoshi left the Bitcoin code in the hands of developers and the community in 2010. Thus far hundreds of developers have added to the open source code throughout