F2Pool co-founder: Last year, to confirm whether the Private Key was leaked, 500 Bitcoins were transferred, and the Hacker took away 490 Bitcoins.

[F2Pool Co-founder: Last year, to confirm whether my Private Key was leaked, I transferred 500 Bitcoins, and the Hacker took away 490 Bitcoins] Regarding the community discussion on the phishing attack involving 50 million USDT, F2Pool co-founder Wang Chun tweeted, “Last year, I suspected that my Private Key was leaked. To confirm whether the Address was really stolen, I transferred 500 Bitcoins to that Address. To my surprise, the Hacker 'generously' only took away 490 Bitcoins, leaving me with 10 Bitcoins, enough for me to make a living.”