Bitcoin is a decentralized digital currency that operates without the demand for a central dominion or broker, like a bank. Introduced in 2009 via an unrevealed mortal or group subservient to the alias Satoshi Nakamoto, Bitcoin is powered away blockchain technology, a unshrouded ledger that records all transactions securely and transparently. It is known an eye to its narrow reservoir of 21 million coins and its use as a store of value and median of exchange. Bitcoin has ripen into a well-received investment selection and a symbol of the evolving digital economy.