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The DAO Hack

Occurred
Jun 17, 2016
Published
Jul 26, 2016
Source
AI Incident Database

Summary

On June 18, 2016, an attacker successfully exploited a vulnerability in The Decentralized Autonomous Organization (The DAO) on the Ethereum blockchain to steal 3.7M Ether valued at $70M.

Developers

  • The DAO

Deployers

  • The DAO

Harmed parties

  • DAO Token Holders

Classification

Category confidence: 80%
Severity confidence: 90%

Rationale: Blockchain exploit causing major financial loss, not fitting standard AI safety categories.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

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