EIP-712 domain separator missing chainId

dYdX v4 (dYdX Chain)'s assessment for RD-F-020 — scored not_applicable on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

EIP-712 domain separator is Ethereum-specific. Not used in the Go Cosmos appchain binary.

Sources #

GitHub
dYdX v4-chain GitHub — Go, AGPLv3dydxprotocol/v4-chain — Go codebaseretrieved 2026-05-17

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 dydx-v4 factor RD-F-020 score not_applicable collected_at 2026-05-17 09:58:47