Bridge tracks nonce-consumed mapping
Dolomite's assessment for RD-F-153 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.
Evidence summary #
CCIP OffRamp tracks sequence numbers (nonces) per source chain to prevent replay. Each message carries a unique sequenceNumber that is consumed on execution. The OffRamp maintains a mapping of executed message sequence numbers per source chain. Replay protection is a core CCIP design feature.
Sources #
- GitHubCCIP OffRamp.sol — Code4rena 2024-11code-423n4/2024-11-chainlink/blob/main/contracts/src/ccip/offRamp/OffRamp.sol — sequenceNumber nonce tracking in OffRamp for replay preventionretrieved 2026-05-16
Methodology #
Determine whether the bridge inbox maintains a nonce-consumed mapping and rejects replay of used nonces.
See the full factor methodology and distribution across all protocols →
rubric_version v1.7.0 protocol dolomite factor RD-F-153 score green collected_at 2026-05-16 11:12:56