#AltcoinETFsPostponed An altcoin (short for "alternative coin") is any cryptocurrency other than Bitcoin. Some popular examples include Ethereum (ETH), Solana (SOL), Cardano (ADA), and Ripple (XRP). Altcoins were created to improve on perceived limitations of Bitcoin or to serve different use cases—such as smart contracts, faster transactions, or more energy-efficient consensus mechanisms.

Would you like a list of the top altcoins right now or a breakdown of how they differ from Bitcoin?