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MANTRA Chain resumes block production after fixing Cosmos-EVM vulnerability that halted transactions for 30 hours

Protocol Fundamentals
22 Aug 2026
Crypto news
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Bearish
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MANTRA Chain halted its mainnet for about 30 hours after detecting a vulnerability in its Cosmos-EVM module, which prevented transaction processing. The issue affected two MANTRA-managed wallets but did not impact user balances or require blockchain rollback. After deploying version 8.4.0 with security patches, the network restarted block production on August 22, with no user action needed. MANTRA plans to release a full post-incident report soon, while the incident caused a temporary 18.5% drop in MANTRA token price.

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