Avail Project: Elevating Web3 with Unified Data Availability Layer


Ever used a shared spreadsheet with your friends? Imagine keeping track of every edit, every change, for everyone who has access. That’s kind of how blockchains work but for things like money transfers and digital art ownership. The problem is, that the more edits (transactions) there are, the slower and clunkier the whole thing gets. This is where data availability projects like Avail and Celestia come in. They’re like adding a separate storage drive for your spreadsheet — the main document stays clean and easy to use, but all the extra details are safely pushed away. This lets blockchains handle way more activity without slowing down, making them perfect for things like lightning-fast payments or tracking millions of items in a supply chain.

The ever-growing world of blockchain technology faces a crucial challenge: data availability. As transaction volumes surge, traditional blockchains struggle to store and verify the ever-increasing amount of data. This is where data availability blockchains like Avail emerge as game-changers.


  1. Data Availability 101
  2. How does Avail work?
  3. Avail: The unification layer for Web3
    3. 1.
    Avail Nexus
    3. 2.
    Avail DA
    3. 3.
    Avail Fusion
  4. The team
  5. Conclusion: Data Availability is the game changer for blockchains and Avail stands at the forefront

1. Data Availability 101

Think of a blockchain as a giant public ledger. Every transaction needs to be recorded and accessible to all participants for the network to function properly. However, storing all this data on every node in the network can be clumsy and resource-consuming. Data availability (DA) blockchains address this by separating verifiable data access from transaction processing. DA is about ensuring that the data required to verify the state of a transaction is always readily available. DA blockchains act as dedicated verification solutions, ensuring that anyone can access the necessary information to confirm the integrity of the network.

2. How does Avail work?

Avail acts as a unification layer for Web3, addressing core issues of scalability and user experience, especially for L2s. Using innovative zero-knowledge technology, Avail ensures responsive and reliable data availability, addressing the challenge of cross-ecosystem transactions. Avail Nexus operates as a permissionless verification hub, enabling seamless coordination between rollups from different ecosystems, while Avail Fusion enhances economic security and reshapes the dynamics of blockchain communication.

Avail’s technology facilitates a unified Web3 experience by simplifying data availability verification and providing a robust intersection for chain coordination. Through Data Availability Sampling (DAS), Avail light clients randomly sample portions of block data to verify correctness, supported by erasure coding and KZG polynomial commitments.

KZG commitments, short for Kate-Zaverucha-Goldberg commitments, provide an efficient means of verifying data integrity by generating concise proofs that minimize computational requirements while enhancing system trustworthiness.

This approach enables near-perfect guarantees of data availability without relying on fraud proofs, streamlining the verification of blockchain integrity and fostering trust within the ecosystem.

3. Avail: The unification layer for Web3

Avail’s innovative approach leverages asynchronous messaging principles to efficiently scale blockchains and consists of three key components: Avail Nexus, Avail DA and Avail Fusion, which together form the unification layer.

3. 1. Avail Nexus

Avail Nexus serves as a robust proof aggregation and sequencer selection ZK rollup, coordinating cross-rollup and cross-ecosystem settlement, seamlessly enhancing interoperability.

3. 2. Avail DA

Avail DA (short for Data Availability) lays the foundation for blockchain scalability, solving fundamental bottlenecks by providing abundant data availability blob space. Developers can easily integrate with Avail DA and benefit from its scalability features across different execution environments.

3. 3. Avail Fusion

Avail Fusion enables a basket of tokens to pool their cryptographic security, ensuring the robustness and integrity of the Avail network and strengthening security measures.

This comprehensive unification layer aims to streamline the rollup experience and provide a unified platform for both users and developers, ultimately fostering greater scalability and seamless interactions within the blockchain landscape.

4. The Team

Anurag Arjun brings a wealth of technology expertise, having played a pivotal role in the design and development of Polygon.

Prabal Banerjee, formerly of Polygon, is a research authority on blockchain security and privacy.

Neil Vidyarthi, formerly head of product marketing at Polygon, leads Avail’s marketing efforts with over a decade of experience.

With a $27 million seed round led by Peter Thiel’s Founders Fund and Dragonfly, the 40-person team, most of whom previously worked at Polygon, is well-positioned for success in pioneering the next phase of Web3 innovation.

5. Conclusion: Data Availability is the game changer for blockchains and Avail stands at the forefront

Imagine your trusty old phone is struggling. The photo gallery is overflowing, apps are crashing, and scrolling takes forever.

Avail, a data availability project, works like a virtual upgrade for your overloaded old phone. Acting as a specialized cloud storage for photos, it seamlessly connects to your device, keeping your gallery clean and responsive, and allowing effortless browsing even with a memory full of memories. In addition, Avail reduces the load on your phone’s processor by offloading the heavy task of storing photo data, ensuring smoother performance and freeing up resources for capturing new moments.

In the blockchain space, projects like Avail are revolutionizing the way data is handled, enabling systems to manage massive amounts of information without compromising speed or security. But in a decentralized manner!

Compared for example to Celestia with 100 validators, Avail can have up to 1000 validators thanks to Substrate, which is a big difference in terms of decentralization.

As a big player in this field, Avail is making blockchains work well with huge data loads. This means we’ll soon have a future where speed, security, and functionality all work together.

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