MANTRA Chain Back Online After 30-Hour Network Halt Following EVM Exploit

TLDR

• MANTRA Chain resumed block production at 5:30 a.m. UTC on Aug. 22 after a roughly 30-hour outage
• A vulnerability in its Cosmos-EVM module was exploited, halting all transactions, staking, and bridge activity
• Version 8.4.0 patched the flaw and added extra security protections before validators restarted the network
• Two MANTRA-managed wallets were affected, but user funds were not exploited
• MANTRA’s token dropped about 18.5% to a record low during the incident, with trading volume up nearly 600%

MANTRA Chain is back online after developers patched a vulnerability in its Cosmos-EVM module that knocked the blockchain offline for about 30 hours.

MANTRA Chain is producing blocks again.

The vulnerability in the Cosmos-EVM module has been fixed, the network has resumed, and no user funds were affected.

Thank you to everyone for your patience throughout the incident.

Review the full history of incident status updates… pic.twitter.com/IDVpw7H7Tp

- MANTRA | The EVM L1 for RWAs (@MANTRA_Chain) August 22, 2026

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