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The Polylog Crypto Intelligence Brief

Morning Edition · Sunday, July 26, 2026Published at 1:29 AM EDT · New York

Lien Finance Loses About $542,000 as Attacker Mints Bond Tokens Without Burning Collateral

The Ethereum protocol's permissionless bond-registration flow let an attacker create tokens that bypassed the burn logic and drained real USD Coin (USDC) from live pools, one of several incidents this week.

Lien Finance Loses About $542,000 as Attacker Mints Bond Tokens Without Burning Collateral

The Ethereum lending protocol Lien Finance lost roughly $542,000 in USDC on July 24 to a logic bug in its bond mechanics, an incident reproduced in the DeFiHackLabs proof-of-concept repository. The root cause was not a stolen key or a manip…

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Bridge and Mint Exploits Sustain Heavy DeFi Losses

Over 3-6 months, recurring bridge proof-validation and unauthorized-mint exploits keep monthly DeFi losses elevated, including drains of deprecated contracts.