How a Missing Bounds Check Led to $237K Exploit on Hyperbridge (opens in new tab)
On April 13, 2026, an attacker minted 1 billion bridged DOT tokens out of thin air on Ethereum - and dumped them for roughly $237,000 in ETH. The target was Hyperbridge, Polytope Labs’ trust-minimized interoperability protocol connecting Polkadot to EVM chains.
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