### Executive Summary: Avail Project

#### Overview

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.

#### Core Pillars

The "secret sauce" of Avail lies in its two primary innovations:

• Avail DA: Solves critical throughput bottlenecks by providing limitless, horizontally scaling blockspace. Backed by cryptographically verifiable data availability, it accelerates chain operations while drastically reducing bloat.
• Avail Nexus: An interoperability powerhouse that erases user friction—such as manual bridging and network hopping. By enabling "Unified Balances" and a "bridgeless flow," applications can instantly access global liquidity pools regardless of where an asset originated.

#### Technical Execution

Avail delivers high-performance infrastructure primarily for developers building Rollups (OP Stack, Arbitrum, CDK) or sovereign layer chains:

1. Avail DA: Chains post transaction data to Avail's network. It utilizes a Substrate-built core and a robust light client (`avail-light`), allowing secure verification without the need for resource-intensive full nodes.

2. Avail Nexus: Integrated via streamlined documentation, Nexus functions invisibly to route assets and authenticate cross-chain messages. Users can execute transactions across disparate networks (e.g., swapping on QuickSwap) in seconds without manual intervention.

#### Leadership & Pedigree

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.