Bitcoin is a cryptocurrency and worldwide payment system

Bitcoin is a cryptocurrency and worldwide payment system.It is the first decentralized digital currency, as the system works without a central bank or single administrator. The network is peer-to-peer and transactions take place between users directly, without an intermediary.These transactions are verified by network nodes through the use of cryptography and recorded in a public distributed ledger called a blockchain. Bitcoin was invented by an unknown person or group of people under the name Satoshi Nakamoto and released as open-source software in 2009

HISTORY :
On 18 August 2008, the domain name "bitcoin.org" was registered.In November that year, a link to a paper authored by Satoshi Nakamoto titled Bitcoin: A Peer-to-Peer Electronic Cash System was posted to a cryptography mailing list.Nakamoto implemented the bitcoin software as open source code and released it in January 2009 on SourceForge.The identity of Nakamoto remains unknown.