According to Odaily Planet Daily, cis, a legendary Japanese trader with assets worth 35 billion yen, recently posted on the X platform, "Ethereum is the only thing that will happen. I want to make money from stocks and contribute to virtual currency."

It is reported that in 2005, CIS made a huge profit of 600 million yen in 20 seconds during the J-Com incident; in 2013, CIS's stock trading volume was worth 14 billion US dollars, and its personal trading volume accounted for 0.5% of the annual retail stock trading volume of the Tokyo Stock Exchange in Japan; its highest single-day record was the purchase and sale of 70 billion yen worth of stocks; on Black Monday in 2015, CIS made a huge profit of 34 million US dollars by shorting the Nikkei 225 index futures, and Bloomberg praised its operation as "A Perfect Play".