Definition ∞ Cross-Rollup DeFi refers to decentralized finance applications operating across multiple rollup solutions. This involves protocols and services that seamlessly interact and transfer assets or data between different Layer 2 rollup networks. It addresses the fragmentation of liquidity and user activity arising from various scaling solutions. The aim is a unified financial ecosystem.
Context ∞ Cross-rollup DeFi is a critical area of innovation, addressing the growing challenge of interoperability and liquidity fragmentation within the Layer 2 landscape. News frequently covers new protocols and bridges that aim to facilitate asset movement and smart contract calls between these distinct scaling environments. This improves overall capital efficiency.