Recent fluctuations in Ethereum gas fees have significantly impacted DeFi user activity. As gas prices rise, transaction costs can deter users from engaging with DeFi protocols, leading to decreased trading volume and liquidity. On-chain data reveals a clear correlation; higher fees often result in reduced participation. Conversely, when fees stabilize or decline, user activity tends to rebound. This dynamic underscores the importance of optimizing gas efficiency for DeFi projects to retain users. Monitoring these metrics is crucial, as sustained high fees could hinder DeFi's growth and overall Ethereum network usage.