Audit firm tier

Lombard Finance's assessment for RD-F-005 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

OpenZeppelin is a confirmed Tier-1 audit firm (on the enumerated Tier-1 list per methodology). Lombard has 5 OZ engagements spanning 2024-2026 covering EVM contracts including the most recent multipauser audit (April 2026). Veridise, Halborn, Sherlock, and ABDK are established Tier-2 firms with public track records and indexed audit histories. Green threshold: at least one Tier-1 audit of deployed code — confirmed via OZ.

Sources #

Audit
OpenZeppelin Multipauser Audit PDFOpenZeppelin multipauser audit April 2026retrieved 2026-05-05
Audit
OpenZeppelin Lombard V2 AuditOpenZeppelin V2 audit Nov-Dec 2024retrieved 2026-05-05

Methodology #

Classify each auditing firm into: Tier-1 (Trail of Bits / OpenZeppelin / ConsenSys Diligence / Certora / Sigma Prime / Spearbit / Zellic) / Tier-2 (established, named firm with public track record) / boutique / unknown.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol lombard factor RD-F-005 score green collected_at 2026-05-05 12:03:08