Crypto lost $1.26 billion in hacks while bitcoin bulls enjoyed a monster quarter — SkimNews
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- CertiK tracked 247 crypto security incidents in Q3 2026 totaling $1.26 billion in losses, with year-to-date losses reaching $2.68 billion
- September 2026 recorded 99 incidents and $768.5 million stolen — the highest monthly incident count since February 2025 and the largest monthly loss figure of 2026
- Crypto insurance capacity stands at $130.2 million per CoinGecko's State of Crypto Security Report 2026, down 20.2% from $163 million a year prior
- Nansen analyst Nicolai Sondergaard warned that repeated exploits reinforce perceptions of operational fragility, which can slow institutional adoption and push allocators to demand higher risk premiums
- Blockaid expects multiple upcoming incidents involving AI agents, identifying prompt injection — where hidden instructions trick an agent into acting against its user — as the most likely attack vector
- Tesseract Group's Oliver Carding said AI tools are now automating smart contract vulnerability discovery, compressing the time defenders have to patch flaws before they are exploited
Why it matters: Crypto's structural security gap is widening as on-chain insurance coverage shrinks 20% year-over-year while AI accelerates exploit discovery — even as ETF flows keep capital pouring in. Sondergaard's observation that institutions are staying away from DeFi protocols altogether signals the industry is bifurcating into safe regulated wrappers and a riskier on-chain frontier that the September spike to $768.5 million in losses is making harder to ignore.
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