#GENIUSActPass Cryptocurrency is digital money secured by cryptography, operating on decentralized networks called blockchains. Bitcoin, created in 2009, is the first and most recognized cryptocurrency, often considered digital gold. Altcoins, such as Ethereum and Litecoin, serve various purposes, like smart contracts. Users store cryptocurrencies in digital wallets, which can be hardware or software-based. Mining involves validating transactions and adding them to the blockchain, rewarding miners with coins. Cryptocurrency exchanges facilitate buying, selling, and trading. The market is known for its volatility, presenting both risks and opportunities. Security is vital to protect assets, while regulations vary globally, influencing usage and legality.