Bitcoin is a decentralized digital currency that operates without the penury after a principal authority or broker, like a bank. Introduced in 2009 via an unrevealed idiosyncratic or society subservient to 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 destined for its limited supply of 21 million coins and its use as a stockpile of value and usual of exchange. Bitcoin has ripen into a well-received investment selection and a sign of the evolving digital economy.