It is a pseudonymous name used to persume a person or persons who developed bitcoin authored bitcoin white paper and created and developed bitcoin origin reference implementation sathoshi is the one who devised first blockchain database .On 9 January 2009, Nakamoto released version 0.1 of the bitcoin software on SourceForge, and launched the network by defining the genesis block of bitcoin (block number 0), which had a reward of 50 bitcoins.Nakamoto stated that work on the writing of the code for bitcoin began in 2007. On 18 August 2008, he or a colleague registered the domain name bitcoin.org, and created a web site at that address. On 31 October, Nakamoto published a white paper on the cryptography mailing list at metzdowd.com describing a digital cryptocurrency, titled "Bitcoin: A Peer-to-Peer Electronic Cash System".