FTX Japan, the Japanese arm of the dead cryptocurrency exchange FTX, leaked sensitive data on more than 35,000 users, putting them at risk of phishing and identity theft, experts have warned.

One of the world's largest crypto exchanges, FTX, filed for bankruptcy on Friday. That sparked fears of contagion throughout the wider industry, which was recently trading at around $1 trillion.

Four FTX customers filed a class-action lawsuit against the company and Alameda Research in an attempt to recoup losses following the crypto exchange’s Chapter 11 bankruptcy filing last month.

Texas regulators are looking into whether Steph Curry, Tom Brady and other celebrities who promoted the crypto exchange FTX had potentially violated state securities law. BY ALEX NGUYEN,The Texas ...