Digital Asset
Intelligence
Security Incident · ETH Ecosystem

Gravity Bridge Private Key Leak: $5.40M Reported Loss

·Historical incident record

Incident Overview

Gravity Bridge, a cross-chain bridge connecting Ethereum and the Cosmos ecosystem, was exploited likely due to a compromised contract key or signing authorization. The attacker drained approximately $5.4M in assets (primarily USDC, ETH, and USDT). The exploiter has begun laundering funds via exchanges and mixers, with a significant portion (~2,102 ETH) still under their control.

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.

More Security Incidents

View All →
  1. Incident date
    Attack methodOff-Chain Vulnerability in the Bridge Backend
    Reported loss$ 815,000
  2. Incident date
    Target

    ATOHook

    Attack methodSmart Contract Vulnerability
    Reported loss$ 25,000
  3. Incident date
    Target

    TESSERA

    Attack methodPrivate Key Leakage
    Reported loss$ 2,400,000
  4. Incident date
    Target

    AROS

    Attack methodSmart Contract Vulnerability
    Reported loss$ 295,300
  5. Incident date
    Target

    MoneyMon

    Attack methodSmart Contract Vulnerability
    Reported loss$ 85,519.47