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Sign InNew technical details have emerged regarding the Polkadot (DOT) security breach on April 13, 2026, revealing that the exploit was executed by forging a message to seize administrative control of the token contract on the Ethereum network. The attacker targeted the message verification process within the Hyperbridge cross-chain system to unauthorizedly mint 1 billion DOT tokens. This incident triggered an immediate 7% flash-crash in the token's price within minutes, contributing to a total 10% decline over the weekend. Despite the massive scale of the minting, the attacker's realized gains were limited to approximately $237,000 due to insufficient liquidity in trading pools to cash out the fabricated assets. Developers are currently focused on patching the bridge infrastructure to restore security and market confidence.