EIP-712 domain separator missing chainId
Circle USYC's assessment for RD-F-020 — scored gray on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.
Evidence summary #
YieldCoin core ERC-20 ABI does not show a permit() function suggesting no EIP-712 domain separator in the token itself. CrossChainTeller may use EIP-712 signed messages but domain separator not directly inspected. Source verified but needs targeted code review.
Sources #
- EtherscanCrossChainTeller - EtherscanCrossChainTeller source verified v0.8.26 Cancun; domain separator not inspectedretrieved 2026-05-16
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 circle-usyc factor RD-F-020 score gray collected_at 2026-05-15 21:56:43