EigenDA
Web3 / infrastructure applications
EigenDA is a data availability (DA) layer built atop EigenLayer, leveraging restaked Ethereum validators to provide efficient, cost-effective data availability services for Ethereum rollups and other blockchain systems. Instead of requiring rollups to post all transaction data on Ethereum mainnet—which is expensive—EigenDA allows operators to commit data to a distributed network of restaked validators who cryptographically attest to its availability. This design reduces DA costs by orders of magnitude while maintaining strong security guarantees, as slashing penalties on EigenLayer deter malicious behavior from validators. Example: EigenDA partnered with rollups like Mantle and Celestia integrations to provide cheaper data availability alternatives, with operators reducing DA costs from thousands of dollars to hundreds or less per batch of transactions. Why it matters for blockchain infrastructure: EigenDA makes scaling Ethereum rollups significantly cheaper by decoupling data availability from mainnet settlement, allowing developers to build faster, more cost-efficient Layer 2 solutions while inheriting Ethereum's security.
Explore the full Web3 Glossary — 2,000+ expert-curated definitions. Need guidance? Talk to our consultants.