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Avail

Data availability layer, modular blockchain, DA sampling

AEprivateest. 2020availproject.org (opens availproject.org)Checked 10 Oct

The brief

Analyst view
  • Avail DA mainnet launched Jul 2024. As of Apr 2026, $202M TVS. Integrates Arbitrum, Optimism, Polygon, StarkWare, zkSync.
  • Raised $75M total: $43M Series A from Founders Fund, DragonFly, Cyber Fund in Jun 2024.
  • AVAIL token: 600M airdropped to 354,605 addresses at mainnet launch Jul 2024.

Technical approach

As reported
Data availability sampling

Lightweight DA verification

Random sampling verifies availability without full download. Light clients request random chunks; if found, entire block is likely available.

Validity proofs

Cryptographic confirmation

Avail pairs DA sampling with validity proofs to ensure data honesty, not just availability. Rollups can trust data without running a full node.

Subnet architecture

Customizable DA subnets

Projects can run dedicated DA subnets with their own validators and throughput targets, avoiding shared-sequencer bottlenecks.

Primer