Announced in 2008 with a manifesto written by Satoshi Nakamoto; became functional on January 3, 2009; used with the ฿ symbol and the abbreviation BTC, Bitcoin is a cryptocurrency that does not belong to any central bank or government organization. The maximum number of Bitcoins determined by Nakamoto, who designed the system, is limited to 21 million.
Bitcoin works without any central authority by using peer-to-peer technology. The management of transactions and the distribution of Bitcoins between wallets are collectively managed by the network. Bitcoin is an open-source and no one is in the center of Bitcoin, it cannot control it alone.