$BTC Bitcoin (BTC) is the world's first decentralized cryptocurrency, created in 2009 by a person or group under the pseudonym Satoshi Nakamoto. It operates without the need for intermediaries like banks, using a network of nodes and blockchain technology to securely and transparently record all transactions. Its supply is limited to 21 million coins, making it a deflationary asset. Bitcoin is valued for its resistance to censorship, its cryptographic security, and its potential as a store of value. Over the years, it has evolved from a technological curiosity to a global financial asset.