Longtail is a DeFi-native Layer-3 blockchain built on the Arbitrum stack, designed to incentivize user participation by rewarding them for using the platform. It features a novel on-chain order book called the Super Book, which facilitates faster execution speeds and shared, permissionless liquidity for all decentralized applications (dApps) on the chain.
Overall, Longtail aims to create a dynamic and sustainable DeFi ecosystem by interweaving liquidity and utility into its core operations, providing a seamless and rewarding experience for both users and developers.