TOKYO (Reuters) – Cryptocurrency investors launched a lawsuit against Coincheck Inc on Thursday, seeking to force the Tokyo-based exchange to allow them to withdraw assets worth $183,000 frozen after last month’s $530 million heist of digital money. The group of seven investors filed a suit at the Tokyo District Court, also requesting that Coincheck pay annualized interest of 5 percent on the value of the digital coins from notification of the claim until it resumes withdrawals.

Coincheck, which froze all withdrawals of yen and digital money after the Jan. 26 heist, restarted on Tuesday yen withdrawals, unleashing a single-day outflow of $373 million.

But it said it would keep curbs on withdrawals of cryptocurrencies until it could guarantee the secure resumption of its operations. “I‘m hoping (Coincheck) will respond quickly and let us resume withdrawals,” one of the plaintiffs said at a press conference, speaking on condition of anonymity.

The plaintiff, a man in his 20s who had invested 400,000 yen in digital money at Coincheck, said he would not cease trading cryptocurrencies and was not concerned over their safety. “I think their value will increase,” he said.

“I’ll look for a safer place to invest.” The Coincheck hack, one of the biggest of digital money ever, underscored security and regulatory worries about bitcoin and other cryptocurrencies even as a global boom in these assets shows little signs of fizzling. It also drew into focus Japan’s dash to create a system to oversee the industry. Read more from…

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