The MANTRA Chain team has dropped a full breakdown of the incident that hit on August 20, 2026. The attack led to an unauthorized transfer of 720.9 million MANTRA tokens, worth around $3.6 million. Once the issue was detected, the network was halted for 30 hours and 13 minutes.

What Went Down

According to the report, the attacker managed to move 720.9 million MANTRA tokens without permission. The stolen stash is valued at roughly $3.6 million.

How the Exploit Worked

The team pointed to an unsigned-integer underflow vulnerability in the Cosmos EVM module, which powers EVM features on the network. The attacker leveraged this bug to pull off the exploit.

How MANTRA Chain Responded

After the exploit was discovered, MANTRA Chain brought the network to a halt for 30 hours and 13 minutes. The full report lays out all the details and timeline of the incident.