EIP-712 domain separator missing chainId

Ethena's assessment for RD-F-020 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

EthenaMinting V2 implements EIP-712 with chainId validation: caches _chainId and recomputes domain separator on chain ID change. Cross-chain replay is prevented. EIP-712 domain separator includes chainId by construction.

Sources #

GitHub
EthenaMinting.solEthenaMinting.sol — EIP-712 with chainId validationretrieved 2026-04-28

Methodology #

Determine whether the EIP-712 domain separator struct omits the `chainId` field, allowing cross-chain replay.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol ethena factor RD-F-020 score green collected_at 2026-04-28 13:58:51