#BitcoinKeyZone

Bitcoin is the first decentralized digital currency based on blockchain technology, created in 2009 by a person or group under the pseudonym Satoshi Nakamoto. It works without an intermediary such as banks, making it independent and secure. It is used to conduct direct digital transactions between parties over the Internet, while maintaining privacy. Bitcoin relies on mining to issue currencies and verify transactions, as they are recorded in a public ledger called the "blockchain". It is characterized by its price volatility and limited supply (only 21 million units), making it a tool for investment and hedging against inflation.