Auditor re-engaged after last exploit

Sky Lending (formerly MakerDAO)'s assessment for RD-F-083 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Post-Black Thursday: Liquidations 2.0 system (Dog, Clip, Abaci Dutch-auction modules) was audited by three Tier-1/Tier-2 firms: Quantstamp, Trail of Bits, and ChainSecurity (2020–2021). These audits directly addressed the zero-bid auction failure mode by replacing the flip-auction mechanism.

Sources #

URL
https://github.com/makerdao/mcd-security/blob/master/Audit%20Reports/Liquidations_2.0/Trail%20of%20Bits_MakerDAO%20Liquidations%202.0%20Final%20Report.pdfretrieved 2026-04-27
URL
Quantstamp MakerDAO Liquidations 2.0 Final ReportQuantstamp Liquidations 2.0 final report with Maker commentsretrieved 2026-04-28
URL
ChainSecurity MakerDAO Liquidations 2.0ChainSecurity MakerDAO Liquidations 2.0 auditretrieved 2026-04-28

Methodology #

Determine whether a reputable auditor performed a re-audit or incident review after the most recent exploit.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol sky-lending factor RD-F-083 score green collected_at 2026-04-28 00:43:18