Arbitrum
Arbitrum is an Ethereum Layer 2 built to reduce transaction costs while preserving access to Ethereum’s broader DeFi ecosystem, making it a common destination for active users, liquidity providers, and protocol builders. Its network has matured into a high-activity environment across lending, trading, yield strategies, and NFT usage, with many major protocols maintaining deep integrations. Use this page as a quick map of the most visible Arbitrum categories so you can compare where liquidity and user activity are currently concentrated.