Ethereum
Ethereum remains the primary smart-contract settlement layer for much of DeFi activity, with deep liquidity, broad protocol coverage, and long-standing developer support across major categories. Many core lending markets, AMMs, yield tools, and NFT platforms either originate on Ethereum or maintain significant deployment depth here, which makes it a useful baseline for comparing other ecosystems. Use this page to review key protocol groups and quickly understand where foundational Ethereum activity is concentrated.