PANews reported on October 31 that, according to on-chain analyst @ai_9684xtpa, an unknown hacker who engaged in high-frequency trading sold 2,655 ETH (approximately $9.93 million) at an average price of $3,740.78 over the past 10 hours. This ETH was purchased between October 21st and 23rd at an average price of $4,026.58, resulting in a loss of $758,000 from the sale. The hacker still holds 3,965.36 ETH, with a paper loss of $692,000.