$BTC Cryptocurrency is a digital or virtual form of money that uses cryptography for security and operates on decentralized networks called blockchains. Unlike traditional currencies issued by governments, cryptocurrencies like Bitcoin, Ethereum, and others are not controlled by any central authority. They enable fast, borderless transactions and offer greater financial freedom and privacy. With growing adoption in finance, tech, and retail, cryptocurrencies are reshaping how we think about money. However, their value can be highly volatile, and investors should be cautious. As the digital economy evolves, cryptocurrency continues to play a key role in the future of finance and innovation.