Historical bad-debt events

Yearn Finance's assessment for RD-F-067 — scored not_applicable on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Yearn has no lending book and therefore no bad-debt events in the lending sense. Historical Yearn incidents (2021-02-04, 2023-04-13, 2023-11-30, 2023-12-16) involved strategy-level losses or vault misconfiguration, not bad debt in a collateralized lending context. Per PD-024, RD-F-067 is lending-only and not applicable to yield aggregators.

Sources #

Internal
Taxonomy Cat 4 PD-024 applicabilityresearch/outputs/03-taxonomy.md Cat 4 PD-024 resolution: RD-F-067 lending-only, N/A for non-lending protocolsretrieved 2026-05-16
Docs
yVaults v3 - Yearn DocsYearn V3 overview: yield aggregator architecture; no borrow/collateral book; historical incidents are strategy or misconfiguration losses, not bad debtretrieved 2026-05-16

Methodology #

Count and sum (USD) the number of documented bad-debt events where the protocol socialized losses across depositors.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol yearn-finance factor RD-F-067 score not_applicable collected_at 2026-05-16 08:34:32