Polylog
The Polylog Crypto Intelligence Brief

Morning Edition · Tuesday, June 30, 2026

Bridge and mint flaws drive a fresh run of DeFi thefts

Two cross-chain bridges and a token contract on BNB Chain were exploited in June, with losses ranging from roughly 121,000 dollars to 8.56 million, and one of the largest fully recovered.

Bridge and mint flaws drive a fresh run of DeFi thefts

A cluster of exploits documented over the past day reinforces a pattern that security trackers have noted for months. The costliest failures keep coming from bridges and unauthorized minting rather than from novel attacks. The largest was t…

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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.