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Morning Edition · Monday, September 7, 2026Published at 1:46 AM EDT · New York
One Cosmos Underflow Bug Drained Three Chains as DeFi Losses Near $1.3 Billion for the Year
MANTRA, TAC and KiiChain lost a combined $20.8 million to the same replay defect, while Term Labs lost $8.5 million to an attacker who bought its governance for about $951.
The incident record published this week by Rekt News traces three separate chain drains to one root cause. An arithmetic underflow in the Cosmos implementation of the Ethereum Virtual Machine (EVM), exploited through a cross-shard receipt r…
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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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