DA Layer

Data Availability (DA) entails making the transaction data available. DA layer is a critical component for rollups to ensure the capability to reconstruct the the rollup states when the rollup service halts unexpectedly.

Both zkLink Nexus and zkLink Origin by default support the primary chain as the DA layer.

Secondly, both Nexus and Origin support Validium, which involves an external DA solution. zkLink will integrate various third party modular DA solutions, such as Celestia, EigenDA, Avail, etc., to meet diverse demands from developers.

Furthermore, zkLink DAO will have the option to organize a Data Availability Committee (DAC). This DAC serves as another option for developers, providing an additional choice for data availability assurance.

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