Cryptocurrency is a form of digital or virtual currency that uses cryptography for secure financial transactions. Unlike traditional currencies issued by governments, cryptocurrencies are decentralized and typically operate on blockchain technology—a distributed ledger enforced by a network of computers. The first and most well-known cryptocurrency is Bitcoin, introduced in 2009. Since then, thousands of cryptocurrencies have emerged, including Ethereum, Binance Coin, and Solana. Cryptocurrencies enable peer-to-peer transactions, decentralized finance (DeFi), smart contracts, and more. They offer benefits like low fees and global accessibility, but also face challenges such as regulatory uncertainty, volatility, and security risks like hacking and scams.

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