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The Polylog Crypto Intelligence Brief

Morning Edition · Sunday, July 5, 2026

Key Mismanagement Drives Latest Round of Eight-Figure DeFi Thefts

A private-key compromise at Humanity Protocol and a signing-code flaw at SecondFi show that operational security, not just smart-contract bugs, keeps causing losses at protocols.

Key Mismanagement Drives Latest Round of Eight-Figure DeFi Thefts

The recent series of exploits tracked by Rekt News has been dominated by failures of key handling rather than novel contract logic. At Humanity Protocol, an attacker stole an estimated $36 million after compromising an employee laptop that…

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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.