At least four DeFi protocols recorded negative revenue in March 2026, according to DeFiLlama data, signaling that transaction fees are no longer sufficient to cover operational costs across several networks. The underperforming protocols include Zora, Blast (BLAST), HumidiFi, and Kairos Timeboost, each posting revenue figures that fell below zero for the month. Negative Revenue Signals a Structural Gap Negative protocol revenue typically means the costs of running and incentivizing a network outpaced what it collected in transaction fees and other income streams. Protocols Post Negative Revenue
source: https://beincrypto.com/protocols-negative-revenue-march-vcs-exit-defi/