DeFi Development Activity Rankings: Chainlink Leads as Aave V4 Ships and Euler Expands

Development data tracked over the past 30 days highlights widening gaps among leading DeFi protocols, with Chainlink (LINK) ranked first and DeepBook (DEEP) second. Key milestones include Swift and major banks completing Chainlink CCIP tokenized-transfer trials on April 5, 2026, Aave V4 launching on Ethereum mainnet on March 30, 2026, and Euler reporting more than $100 million in new deposits across Base, Swell, and Sonic.