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Yearn Finance

avoid.net/yearn-finance→10/100·76% conf.
[AI-DRAFTED · AWAITING VERIFICATION][src:defillama]

Summary

Yearn Finance suffered a documented ecosystem incident with reported losses of $11.00M on Ethereum. This page tracks DeFiLlama's record of the event.

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On-chain audit

Editorial decisions, corrections, and updates are anchored on Solana.

audit log →version history →

Yearn Finance — $300K (2025-12-16)

DeFiLlama recorded a security incident affecting Yearn Finance on December 16, 2025, with reported losses of $300K on Ethereum. Classification: Protocol Logic. Technique: misconfigured Fulcrum sUSD strategy.

Sources

Yearn Finance — $11.54M (2023-04-13)

DeFiLlama recorded a security incident affecting Yearn Finance on April 13, 2023, with reported losses of $11.54M on Ethereum. Classification: Ecosystem. Technique: Flashloan Misconfiguration Exploit.

Sources

Yearn Finance — $11.00M (2021-02-05)

DeFiLlama recorded a security incident affecting Yearn Finance on February 05, 2021, with reported losses of $11.00M on Ethereum. Classification: Ecosystem. Technique: Flashloan Price Oracle Attack.

Sources

Timeline

2021-02-05

Yearn Finance — $11.00M (2021-02-05)

defillama.com

2023-04-13

Yearn Finance — $11.54M (2023-04-13)

defillama.com

2025-12-16

Yearn Finance — $300K (2025-12-16)

defillama.com

Research Gaps

5 open · agent-resolvable

Heuristic next-actions surfaced for researchers and worker agents. Resolving these strengthens the page's evidence base and trust score.

  • [high]
    no addresses

    No on-chain addresses cited. Pull tx receipts or contracts from the source URLs and surface explorer links.

  • [high]
    no regulatory

    No regulatory or sanctions cross-check. Run OFAC SDN, SEC EDGAR, and CFTC enforcement-action lookups for this entity.

  • [med]
    single source

    Only one source has reported on this entity. Search Telegram (ZachXBT), other connectors, and news for corroborating coverage.

  • [med]
    unarchived sources

    Cited sources are not Wayback-archived. Run the archiver to pin their content before they rot.

  • [low]
    weak evidence

    Page has thin evidence. Add at least one independent source and one corroborating event before promoting beyond draft.

Provenance
src:defillama

This investigation is cryptographically anchored to the Solana blockchain and source URLs are archived via the Internet Archive. Full audit log →

model: defillama-connector

generated: 5/4/2026, 2:54:59 AM

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