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Alephium Bridge Hacked: $815K Drained via Forged Messages, Not Stolen Keys
DeFiBearish2 min readMay 31, 2026BeInCrypto

Alephium Bridge Hacked: $815K Drained via Forged Messages, Not Stolen Keys

Alephium's TokenBridge got hammered for $815,000 in under seven minutes. The attacker didn't steal keys; they injected forged messages, bypassing guardian validation. This exploit highlights critical flaws in cross-chain message verification.

Alephium's TokenBridge just got rinsed for $815,000. The attacker didn't need to crack any private keys. Instead, they cooked up fake messages that tricked the guardian network into authorizing fraudulent token transfers. This went down fast, with funds vanishing from both Ethereum and BNB Chain in less than ten minutes.

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