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Morning Edition · Sunday, August 2, 2026Published at 1:31 AM EDT · New York
Index Coop Issuance Contract Hit by a Time-of-Check Bug as DeFi Exploit Losses Keep Compounding
A newly documented reentrancy-style flaw in a token issuance flow joins a run of smaller protocol drains catalogued this week across lending, perpetuals, and cross-chain venues.
Security researchers have published a proof of concept for a time-of-check-to-time-of-use flaw in Index Coop's ExchangeIssuance contract, the component that mints and redeems structured index tokens. In this class of bug, the contract valid…
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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.
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