Stale-approval exposure on deprecated router

BENQI's assessment for RD-F-168 — scored not_assessed on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

qiBUSD and other potentially deprecated or low-activity BENQI markets may have stale ERC-20 approvals from users. Active approval count to deprecated qiToken contracts requires on-chain allowance scan (Approval event log enumeration) which was not performed within the assessment window.

Sources #

Docs
Core Markets Contracts | BENQIBENQI core markets contracts page — qiBUSD and other markets listed including those with potential low activity post-BUSD depegretrieved 2026-05-16

Methodology #

Count the number of active user approvals (ERC-20 `allowance`) to deprecated router or protocol contracts.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol benqi factor RD-F-168 score not_assessed collected_at 2026-05-16 11:02:12