Kiichain exploit on Aug. 22 drains about 148 million KII after 18 attacks; network halted
AI Market Summary
Kiichain suffered an exploit on Aug 22 tied to shared Cosmos EVM module vulnerabilities, with ~148M KII taken across 18 attacks. The chain halt limited further losses and ~80.7M KII remains frozen and potentially recoverable, but most of the remainder was bridged to BNB Chain and sold, with ~3M sent to KuCoin for possible freezing. The incident also hit Mantra and TAC, highlighting broader Cosmos EVM integration risk.
Impact level
● Medium
Affected assets
KII/USDT+1.17%
AI Insight · KII/USDTAI Insight
▼ Bearish
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On Aug. 22, Kiichain was exploited through vulnerabilities in the Cosmos EVM module, with losses of about 148 million KII. The team halted the chain after detecting the attack to prevent further losses, and about 80.70 million KII remains frozen in the attacker’s on-chain address and is recoverable after a restart. Most of the remaining funds were bridged to BNB Chain and sold, while another 3 million KII was sent to KuCoin and a freeze request has been filed. The issue stems from three flaws in a shared Cosmos EVM module that also affected Mantra and TAC the same week, and Kiichain is preparing fixes, an upgrade and restart, plus asset migration and bridge limits.
