Bitcoin is a decentralized digital currency that operates without the demand quest of a central authority or intermediary, like a bank. Introduced in 2009 by an unrevealed mortal or batch subservient to the nom de plume Satoshi Nakamoto, Bitcoin is powered away blockchain technology, a segment ledger that records all transactions securely and transparently. It is known as a remedy for its restrictive cater to of 21 million coins and its consume as a trust in of value and medium of exchange. Bitcoin has enhance a in demand investment selection and a symbol of the evolving digital economy.