Security Incident · Blockchain
MANTRA Chain Smart Contract Vulnerability: $3.60M Reported Loss
An attacker exploited an unsigned integer underflow vulnerability in the upstream Cosmos EVM module to unauthorizedly transfer approximately 720.9 million MANTRA from two MANTRA-managed addresses (the burn address and a dormant genesis-era multisig).
- Reported loss
- $ 3,600,000
- Attack category
- Smart Contract Vulnerability
Incident Overview
The chain was halted to contain the threat and later resumed after a v8.4.0 patch. No validator keys, admin privileges, or user funds were compromised.
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.