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Layer 2s
SummaryRisksValueActivityLivenessCostsArchivedCompare
OverviewState ValidationDASequencing

Data Availability

Validiums and Optimiums are L2s that, similarly to Rollups, periodically post state commitments to Ethereum that are validated by it, however data is not posted to Ethereum. This means that additional trust assumptions, external to Ethereum, are introduced to prevent data withholding attacks.

#
name
Past day data posted
Proof system
DA Layer
DA Bridge
Type of data
1
Celo logo
Celo
Celo
No data
OptimisticThis project is based on OP Stack's code base.
OP Succinct Lite
The data is posted to EigenDA which is a separate data availability layer developed by the Eigenlayer team. Only commitments to the data are published on an onchain inbox.EigenDA V3 certificates are verified by the proof system through the DACert Verifier contract, which validates certificates against operator signatures and stake thresholds.
Transaction data
Compressed
2
Sophon logo
Sophon
Sophon
No data
ValidityThis project is based on ZK Stack's code base.
Boojum
The data is posted to Avail.The Vector DA bridge is used to attest to the data availability on Avail.
State diffs
Compressed
3
Lens logo
Lens
Lens
No data
ValidityThis project is based on ZK Stack's code base.
Boojum
The data is posted to Avail.The Vector DA bridge is used to attest to the data availability on Avail.
State diffs
Compressed