defirisk.co
rubric v1.7.0

Bridge tracks nonce-consumed mapping

ether.fi'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 #

LayerZero V2 endpoint handles replay protection via ordered-message delivery semantics per OApp path. Application-level nonce tracking not required under V2 ordered delivery. Arbitrum canonical: sequence-numbered messages, replay-protected at gateway level.

Sources #

  • GitHub
    EtherfiOFTUpgradeable.solEtherfiOFTUpgradeable.sol — inherits LayerZero V2 ordered-message semanticsretrieved 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 ether-fi factor RD-F-153 score green collected_at 2026-04-28 13:58:46