TAC Blockchain Hit by Cosmos EVM Module Exploit, $7.5M Stolen

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A DeFi exploit targeted the TAC blockchain as a hacker exploited a vulnerability in the Cosmos EVM module, stealing $7.5 million and 29.86 billion TAC tokens from a custodial wallet. TAC halted the network at block 24,671,475, freezing all transactions and collaborating with exchanges to trace the stolen funds. This incident follows a similar attack on MANTRA Chain and an $8.5 million DeFi exploit at Term Labs on the same day. TAC confirmed no new tokens were minted, and officials are urging caution regarding vulnerabilities in the Cosmos EVM module.

Odaily Planet Daily reports: The Layer 1 blockchain project TAC confirmed that a hacker exploited a vulnerability in the Cosmos EVM module's precompile layer, stealing approximately $7.5 million from one account and transferring about 29.86 billion TAC tokens from a custodial account. The project stated that no new tokens were created; the attack involved only TAC tokens, with no impact on other assets. TAC has paused its network at block 24,671,475, freezing all transactions and deposit/withdrawal activities, and is collaborating with exchanges to track the stolen funds. Previously, MANTRA Chain also suffered a similar attack due to the Cosmos EVM module. On the same day, the Term Labs protocol was attacked, resulting in losses of approximately $8.5 million. Earlier reports indicated a security incident involving the Cosmos EVM module, with official recommendations for affected blockchains to suspend operations.

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