Audit firm tier
BlackRock USD Institutional Digital Liquidity Fund (BUIDL)'s assessment for RD-F-005 — scored gray on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.
Evidence summary #
No firm has audited deployed BUIDL contracts. CoinFabrik (2020, prior DSToken) is a Tier-2 boutique. Since no current audit exists, audit firm tier cannot be rated. Gray: data unavailable.
Sources #
- Audithttps://www.coinfabrik.com/blog/securitize-smart-contract-audit/retrieved 2026-04-26
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 blackrock-buidl factor RD-F-005 score gray collected_at 2026-05-12 09:40:42