Hacker exploits Polkadot bridge, mints $1.1 billion in fake assets

A hacker exploited a vulnerability in a bridge connecting Polkadot and Ethereum, minting $1.1 billion in fictional assets on blockchain.

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The attacker can only access a small fraction of the generated funds before the exploit was detected.

This incident highlights persistent security risks on cross-chain bridge protocols despite ongoing security improvements.

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Auto-synthesis from 9 media sources · identified on April 14, 2026

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