Bitcoin (BTC): The first and most widely recognized cryptocurrency.Ethereum (ETH): Known for its smart contract functionality.Tether (USDT): A stablecoin that aims to keep its value stable relative to a fiat currency.Binance Coin (BNB): Used primarily to pay for transactions on the Binance exchange.Solana (SOL): Known for its high-speed transactions and low fees.

Cryptocurrencies can be used for various purposes, including buying goods and services, trading, and as an investment. They can be bought and sold on various platforms like Crypto.com2 and CoinMarketCap3.