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Avail Project is a foundational modular blockchain infrastructure project engineered to establish a robust Data Availability (DA) layer and a seamless cross-chain interoperability network. Originally incubated within Polygon Labs, Avail’s long-term mission is to serve as the ultimate "unification layer" for Web3, bridging L1s, L2s, and app-specific chains to dissolve the persistent fragmentation of liquidity and decentralized user bases.
The "secret sauce" of Avail lies in its two primary innovations:
Avail delivers high-performance infrastructure primarily for developers building Rollups (OP Stack, Arbitrum, CDK) or sovereign layer chains:
avail-light), allowing secure verification without the need for resource-intensive full nodes.Spun out as an independent entity in 2023, Avail is led by iconic Web3 figures, including Polygon co-founder Anurag Arjun and researcher Prabal Banerjee. The project is supported by $75M in capital from premier institutional backers such as Founders Fund, Dragonfly, and Cyber Fund, featuring a globally distributed team of experts in engineering and developer relations.
Avail serves the architects of the decentralized future:
Avail positions itself as a Category Creator in the modular blockchain arena. While complementing or competing with layers like Celestia and EigenDA, Avail uniquely merges DA with deep cross-chain unification (Nexus). It does not compete for execution; instead, it acts as the essential unifying fabric that empowers everything from nascent Rollups to major ecosystem incumbents.
avail-light client ensures scalable data integrity without full-node requirements.A cryptographically verifiable DA layer that scales horizontally, making blockchains faster, lighter, and infinitely extensible.
An interoperability tool enabling developers to access all users, tokens, and apps from every major blockchain network seamlessly.
This repository contains code used to test features on Nexus Core
A CLI tool to manage product planning and project status using AI workflows
Assets for usage with Nexus
Official Avail Documentation
Avail DA server for Arbitrum nitro node
DA grid light client simulator
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