Major Altcoins
• Ethereum (ETH): Smart contracts.
• Ripple (XRP): Fast international payments.
• Litecoin (LTC): Faster, cheaper Bitcoin.
• Cardano (ADA): Secure, scalable blockchain.
• Polkadot (DOT): Blockchain interoperability.
Stablecoins
• Tether (USDT): Pegged to USD.
• USD Coin (USDC): Another USD-pegged coin.
• Dai (DAI): Decentralized USD-pegged coin.
Utility Tokens
• Chainlink (LINK): Connects smart contracts to real-world data.
• Uniswap (UNI): Token for Uniswap exchange.
• Binance Coin (BNB): Used on Binance exchange.
Privacy Coins
• Monero (XMR): Focuses on privacy.
• Zcash (ZEC): Optional private transactions.
Meme Coins
• Dogecoin (DOGE): Started as a joke, strong community.
• Shiba Inu (SHIB): Inspired by Dogecoin.
Emerging and Specialized
• Solana (SOL): High speed, low cost.
• Avalanche (AVAX): High performance.
• Algorand (ALGO): Efficient, fast.
DeFi Tokens
• Aave (AAVE): Decentralized lending.
• Compound (COMP): Lending and borrowing.
• SushiSwap (SUSHI): Decentralized exchange.
NFT and Gaming Tokens
• Axie Infinity (AXS): Game token.
• Decentraland (MANA): Virtual world.
• The Sandbox (SAND): Virtual world.
Interoperability and Infrastructure
• Cosmos (ATOM): Internet of Blockchains.
• VeChain (VET): Supply chain.
This provides a brief overview of various types of altcoins and their main purposes.