According to on-chain data, the U.S. government address (Bitfinex hacker's seized funds) withdrew stablecoins worth 6.57 million USD from Aave 6 hours ago and transferred the funds to the "0x34...0a9f" address. Subsequently, this address exchanged approximately 5.45 million USDC for 2135.27 ETH. The specific motive of this operation cannot be confirmed at present.