MANTRA Chain resumes blocks after Cosmos-EVM fix

MANTRA Chain has resumed block production after deploying version 8.4.0 to fix a Cosmos-EVM vulnerability that kept its mainnet unable to process transactions for about 30 hours. Summary MANTRA Chain restarted at approximately 5:30 a.m. UTC on Aug. 22. Version 8.4.0 patched a Cosmos-EVM vulnerability and added security protections. Two MANTRA-managed wallets were affected, but user balances remained unchanged. MANTRA plans to publish a complete post-incident report in the coming days. MANTRA Chain said in an Aug. 22 post that its mainnet was producing blocks again after developers fixed the vulnerability found in its Cosmos-EVM module. The restart followed a coordinated software update involving MANTRA-operated validators and other members of the network’s validator set. According to the project’s incident status page, block production resumed at about 5:30 a.m. UTC on Aug. 22 through the patched v8.4.0 release. User balances were not changed during the incident, while the restart involved no blockchain rollback or alteration of the network state, the status update said. Token holders were also told that they did not need to take any action. MANTRA Chain halted after an attacker ta...