$BTC Bitcoin (BTC) is the world's first decentralized digital currency, created in 2009 by an anonymous entity known as Satoshi Nakamoto. Operating on a peer-to-peer network, BTC transactions are recorded on a public, immutable ledger called the blockchain, eliminating the need for central authorities like banks or governments. This innovative system relies on cryptography to secure transactions and verify ownership, with "miners" competing to solve complex puzzles to add new "blocks" of transactions to the chain, earning new BTC as a reward. While highly volatile, Bitcoin is increasingly seen as a store of value and a hedge against inflation, with growing institutional interest and adoption by major companies and even some nations. Its finite supply of 21 million coins further contributes to its scarcity and perceived value.