Bitcoin is a decentralized digital currency that operates without the need after a chief expert or intermediary, like a bank. Introduced in 2009 by way of an unrevealed idiosyncratic or batch under the nom de guerre Satoshi Nakamoto, Bitcoin is powered by blockchain technology, a overt 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 mean of exchange. Bitcoin has enhance a well-received investment selection and a crest of the evolving digital economy.