Digital Asset
Intelligence
Security Incident · ETH Ecosystem

Lien Finance Smart Contract Vulnerability: $542.00K Reported Loss

·Historical incident record

Incident Overview

On July 24, 2026, Lien Finance (an Ethereum DeFi structured products protocol) was exploited. The attacker abused a validation flaw in the exchangeEquivalentBonds function of the BondMakerCollateralizedEth contract (missing multiset integrity checks), minting unbacked bond tokens and draining approximately $542K USDC via OTC pools.

Sources & References

Original incident referencehttps://x.com/SlowMist_Team/status/2080555677811171459 (opens in a new tab)

This record presents information attributed to the linked sources. Incident dates describe the original event, not a new report. Reported loss figures reflect the source record and are not current market valuations.

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