Bridge tracks nonce-consumed mapping

deBridge'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 #

YES: mapping(bytes32 => bool) public isSubmissionUsed in DeBridgeGate. Claim flow: if (isSubmissionUsed[submissionId]) revert SubmissionUsed(); isSubmissionUsed[submissionId] = true. Validators also enforce ascending nonce ordering.

Sources #

GitHub
https://github.com/debridge-finance/debridge-contracts-v1/blob/main/contracts/transfers/DeBridgeGate.solretrieved 2026-04-28
URL
https://debridge.com/learn/blog/10-strategies-for-cross-chain-security/retrieved 2026-04-28

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 debridge factor RD-F-153 score green collected_at 2026-04-28 01:27:58