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☠️ Smart Contract Hack Case Studies
Real exploits analyzed in depth — understand how $600M+ was stolen and what you can learn from each attack.
💸 $60,000,000
🔒 Reentrancy Attack
📅 2016-06-01 00:00:00 +0000
The DAO Hack
The original reentrancy attack — drained 3.6M ETH from a decentralized venture fund holding 15% of all ETH in existence.
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💸 $150,000,000 frozen
🔒 Uninitialized Library + Accidental Self-Destruct
📅 2017-11-01 00:00:00 +0000
Parity Multi-Sig Wallet Freeze
An uninitialized library contract was claimed by a user who then accidentally destroyed it, permanently freezing 513,000 ETH held by ~587 wallets.
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💸 $197,000,000
🔒 Flawed Health Check in Donate/Mint Logic
📅 2023-03-01 00:00:00 +0000
Euler Finance Exploit
A missing health check in the mint() function allowed an attacker to create leveraged positions and exploit accounting inconsistencies to drain $197M — most of which was later returned.
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💸 $190,000,000
🔒 Improper Initialization (trusted root = bytes32(0))
📅 2022-08-01 00:00:00 +0000
Nomad Bridge Exploit
A routine upgrade set the trusted root to bytes32(0), making every message hash valid. Hundreds of attackers simply copied the first exploit transaction to drain $190M in hours.
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