Base is an Ethereum Layer 2 blockchain built by Coinbase, delivering low-cost, high-speed transactions with full EVM compatibility. Utilizing Optimistic Rollups, it achieves up to 2,000 transactions per second with fees as low as $0.01. It supports over 1,000 dApps, including Uniswap and Aave, and offers secure, developer-friendly infrastructure with seamless Coinbase wallet integration for user onboarding.