Bitcoin is a decentralized digital currency that operates without the penury after a principal expert or broker, like a bank. Introduced in 2009 via an unrevealed individual or batch 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 reduced supply of 21 million coins and its use as a stockpile of value and medium of exchange. Bitcoin has enhance a well-received investment choice and a crest of the evolving digital economy.