Altcoins, short for "alternative coins," $ADA $XRP cryptocurrencies other than Bitcoin. While Bitcoin remains the most recognized and valuable cryptocurrency, altcoins have carved out their niches by addressing specific needs and challenges within the crypto ecosystem. Some of the most well-known altcoins include Ethereum, Ripple (XRP), Litecoin, and Cardano.Types of AltcoinsStablecoins: Designed to minimize price volatility, stablecoins are pegged to assets like the US dollar or gold. Examples include Tether (USDT) and USD Coin (USDC).Utility Tokens: These tokens provide access to a product or service within a blockchain platform. Ethereum's Ether (ETH) is a prime example, as it is used to pay for transactions on the Ethereum network.Security Tokens: Representing ownership in an asset or company, security tokens are akin to traditional securities but with the benefits of blockchain technology.Meme Coins: Often started as jokes, these coins, like Dogecoin (DOGE) and Shiba Inu (SHIB), have gained significant popularity and market value, largely driven by community support and social media hype.