Wu said that, according to Ember monitoring, after the Arbitrum Security Council froze 30,766 ETH related to the KelpDAO attack, the hacker began transferring approximately 75,700 ETH held on the Ethereum mainnet, roughly equivalent to $175 million according to the chart, and several small ETH transactions have already been split and transferred through the privacy payment protocol UmbraCash, indicating that the hacker may be accelerating money laundering and pathway splitting.