Bitcoin $BTC
: The first and largest cryptocurrency, created in 2009. It acts as digital gold, with a fixed supply of 21 million coins and is used mainly for value storage and transfers.
: A decentralized platform for building smart contracts and apps. Its coin, Ether, fuels transactions and development on the Ethereum blockchain.
: A stablecoin pegged 1:1 to the U.S. dollar. It's used for quick, stable transactions in the crypto ecosystem without the volatility of other cryptocurrencies.