Ethereum (ETH): Decentralized platform that runs smart contracts. Allows developers to create and deploy decentralized applications. Vitalik Buterin's vision.
Ripple (XRP): Digital payment protocol more than cryptocurrency. Enables real-time global payments anywhere in the world.
Litecoin (LTC): Created by Charlie Lee. Silver to Bitcoin's gold. Faster transaction confirmation times and improved storage efficiency.
Cardano (ADA): Research-driven approach. Focuses on sustainability, scalability, and transparency. Uses unique proof-of-stake algorithm.
Polkadot (DOT): Aims to enable different blockchains to transfer messages and value. Promotes cross-chain interoperability.
Binance Coin (BNB): Cryptocurrency of the Binance platform. Initially created for reduced trading fees on Binance exchange.
Chainlink (LINK): Decentralized oracle network; bridges the gap between smart contracts and external data sources.
Stellar (XLM): Open-source network for currencies and payments. Helps financial firms connect with one another.
Dogecoin (DOGE): Began as a meme, but gained popularity. Used for tipping online. Lighthearted, community-driven approach.
Monero (XMR): Privacy-centric. Uses ring signatures, ring confidential transactions, and stealth addresses to anonymize transactions.