$BTC Cryptocurrency is a digital or virtual currency that uses cryptography for security and operates on a decentralized technology called blockchain. It's not controlled by any single entity, such as a central bank or government. Popular cryptocurrencies include Bitcoin, Ethereum, Litecoin, Ripple, and Cronos. Their value is determined by market demand and supply. You can buy, sell, and trade cryptocurrencies on platforms like Crypto.com, which supports over 400 cryptocurrencies and has robust security measures in place. The total crypto market capitalization is around $3.19 trillion, showing a 0.17% increase from last week ¹ ².