EIP-712 domain separator missing chainId

Sanctum'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 is an EVM standard for structured data signing. Solana programs do not use EIP-712 domain separators. Not applicable to Sanctum's Solana programs.

Sources #

Docs
Solana Program ModelEIP-712 is EVM-only; no usage in Solana programs; structurally inapplicableretrieved 2026-05-04

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 sanctum factor RD-F-020 score not_applicable collected_at 2026-05-04 18:49:23