Crypto's Bloodiest Half-Year: 212 Exploits Stole $1.1B as AI-Powered Attacks Go Mainstream
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Blockaid's H1 2026 report reveals 212 onchain exploits draining $1.1B from Web3 protocols. North Korea's Lazarus Group drove over $600M in losses, and AI prompt injection attacks are emerging as the next major threat vector. Here's what every builder needs to know.
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The first half of 2026 has been the most active period for onchain security threats on record. Blockaid's H1 2026 Onchain Security Report reveals a staggering 212 verified high-threshold exploits that collectively drained $1.1 billion from Web3 protocols and users โ a 3.4-fold increase in incident volume over all of 2025. While the total dollar figure trails H1 2025 due to the absence of a single multibillion-dollar mega-heist, the velocity and technical sophistication of attacks have never been higher.
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Blockaid's H1 2026 report reveals 212 onchain exploits draining $1.1B from Web3 protocols. North Korea's Lazarus Group drove over $600M in losses, and AI prompt injection attacks are emerging as the next major threat vector. Here's what every builder needs to know.
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The first half of 2026 has been the most active period for onchain security threats on record. Blockaid's H1 2026 Onchain Security Report reveals a staggering 212 verified high-threshold exploits that collectively drained $1.1 billion from Web3 protocols and users โ a 3.4-fold increase in incident volume over all of 2025. While the total dollar figure trails H1 2025 due to the absence of a single multibillion-dollar mega-heist, the velocity and technical sophistication of attacks have never been higher.