Bitcoin is a decentralized digital currency that operates without the penury for a principal right or broker, like a bank. Introduced in 2009 at near an unrevealed individual or batch answerable to the alias Satoshi Nakamoto, Bitcoin is powered alongside blockchain technology, a segment ledger that records all transactions securely and transparently. It is known for its limited accommodate of 21 million coins and its use as a stockpile of value and medium of exchange. Bitcoin has grace a popular investment option and a symbol of the evolving digital economy.