Critical Chain incident Source: Web3 is Going Just Great

Harmony token plunges 40% after unauthorized mint

An attacker exploited the Harmony blockchain to mint 4 billion ONE tokens, causing the token price to plunge 40%. Harmony paused its token bridge, asked exchanges to freeze funds, and is considering a rollback.

Chains
Harmony
Confidence
High
First seen
19 Aug 2026, 05:55 UTC

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