Avail is an Ethereum Data Network focused on data availability, featuring a modular technology stack to accelerate Web3 unification. With layers including Data Availability (DA), Nexus, and Fusion, Avail aims to dissolve market fragmentation, providing a unified, secure, and scalable platform that connects various blockchain ecosystems, offering a cohesive experience for users and developers. The platform utilizes validity proofs, zero-knowledge proof-based coordination rollups, and Fusion Security to enhance cryptoeconomic security, bridging the gap between different tokens and creating a more integrated and efficient blockchain ecosystem.