An MEV bot named Yoink successfully front-ran an attacker exploiting a custom Safe module, capturing $7.7 million worth of stolen rsETH tokens. This action took place before Kelp intervened by temporarily freezing the receiving address to prevent further movement of the funds.
According to CoinTelegraph, Yoink’s prompt response highlights the growing role of automated bots in securing decentralized finance (DeFi) assets against sophisticated exploits. The incident underscores the ongoing challenges in smart contract security, especially with custom modules vulnerable to attacks.
For Japanese investors and traders, this event reflects the increasing importance of monitoring MEV activity and bot-driven interventions in crypto markets, which can influence token liquidity and risk management strategies.