Security Incident · Bridge
Harmony Protocol Protocol Logic Vulnerability: $3.20M Reported Loss
The Harmony Layer-1 blockchain was exploited, allowing an attacker to unauthorizedly mint approximately 4 billion ONE tokens (about 26% of the supply) via empty blocks and related flaws.
- Reported loss
- $ 3,200,000
- Attack category
- Protocol Logic Vulnerability
Incident Overview
Large amounts were quickly funneled to exchanges for sale, causing the token price to crash ~30-40%. The team confirmed the incident, paused the cross-chain bridge, released an emergency validator patch to stop further minting, coordinated with exchanges to freeze funds, and is evaluating a chain rollback.
Sources & References
This record presents information attributed to the linked sources. Incident dates describe the original event, not a new report. Reported loss figures reflect the source record and are not current market valuations.