EigenDA

EigenDA is a data availability service on EigenLayer that serves rollup data publication using restaked ether and EIGEN, and is not itself a chain. The disperser erasure-codes each blob, unicasts the chunks straight to operators, collects signatures and posts an attestation on Ethereum, so a rollup pays only for bandwidth instead of bootstrapping its own validator set. Operators store the chunks assigned to them and return signatures to the disperser, with weight set by the size of their restaked position.

Version 2 went live on 30 July 2025 with sustained throughput of 100 MB/s, average confirmation latency near five seconds and a tested peak of 124 MB/s. Blobs are retained for roughly two weeks after on-chain confirmation, and pricing offers on-demand payment or pre-purchased reserved bandwidth. Users include Celo, Ronin, MegaETH, Fuel and Aevo, and by customer assets secured it is the largest third-party data availability layer.