Bitcoin is a decentralized digital currency that enables instant payments to anyone, anywhere in the world. It's the first and most well-known cryptocurrency, created in 2009 by an individual or group using the pseudonym Satoshi Nakamoto.
Some key aspects of Bitcoin include:
- Decentralized and limited supply (21 million)
- Transactions recorded on a public ledger (blockchain)
- Mining process validates transactions and secures the network
- Can be used for purchases, investments, or speculation
