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Harmony Protocol rolls back blockchain after attacker mints 2.385 trillion tokens, causing 30% price drop.

Protocol Fundamentals
17 Aug 2026
Bitcoin
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Bearish
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Harmony Protocol suffered a major security breach on August 12, 2026, when an attacker exploited verification flaws to mint 2.385 trillion unauthorized ONE tokens. This caused the token price to plummet over 30%. In response, the developers decided to roll back the blockchain to its state on August 11 to undo the exploit. They also deployed emergency patches, suspended cross-chain bridges, and coordinated with exchanges and law enforcement to trace and freeze fraudulent token flows. The rollback will discard over 141,000 blocks and restore network integrity, aiming to protect legitimate users' funds and stabilize the token's value.

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