Solana and XRP have emerged as the leaders in DeFi social activity for December 2025. Solana recorded 58,800 engaged posts and 14.7 million interactions within a 24-hour period, showcasing its strong community engagement. XRP followed closely with 16,050 engaged posts and 4.04 million interactions, driven by the launch of Hex Trust's wrapped XRP token. Other notable projects such as Zcash, Monad, and Chainlink also experienced significant social engagement. Social activity continues to be a crucial metric for assessing the momentum and community interest in DeFi projects.