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An error page is displayed on cryptocurrency exchange Coincheck Inc.'s Bitcoin Wallet app in an arranged photograph in Kawasaki, Kanagawa Prefecture, Japan, on Monday, Jan. 29, 2018. Japanese cryptocurrency exchange Coincheck said it will use its own capital to reimburse customers who lost money in Friday's $400 million theft. Photographer: Akio Kon/Bloomberg via Getty Images

An error page is displayed on cryptocurrency exchange Coincheck Inc.'s Bitcoin Wallet app in an arranged photograph in Kawasaki, Kanagawa Prefecture, Japan, on Monday, Jan. 29, 2018. Japanese cryptocurrency exchange Coincheck said it will use its own capital to reimburse customers who lost money in Friday's $400 million theft. Photographer: Akio Kon/Bloomberg via Getty Images

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The building housing the headquarters of cryptocurrency exchange Coincheck Inc. stands in Tokyo, Japan, on Monday, Jan. 29, 2018. Japanese cryptocurrency exchange Coincheck said it will use its own capital to reimburse customers who lost money in Friday's $400 million theft. Photographer: Akio Kon/Bloomberg via Getty Images

The building housing the headquarters of cryptocurrency exchange Coincheck Inc. stands in Tokyo, Japan, on Monday, Jan. 29, 2018. Japanese cryptocurrency exchange Coincheck said it will use its own capital to reimburse customers who lost money in Friday's $400 million theft. Photographer: Akio Kon/Bloomberg via Getty Images

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The Japanese name of cryptocurrency exchange Coincheck Inc. is displayed on a sign outside the company's headquarters in Tokyo, Japan, on Monday, Jan. 29, 2018. Japanese cryptocurrency exchange Coincheck said it will use its own capital to reimburse customers who lost money in Friday's $400 million theft. Photographer: Akio Kon/Bloomberg via Getty Images

The Japanese name of cryptocurrency exchange Coincheck Inc. is displayed on a sign outside the company's headquarters in Tokyo, Japan, on Monday, Jan. 29, 2018. Japanese cryptocurrency exchange Coincheck said it will use its own capital to reimburse customers who lost money in Friday's $400 million theft. Photographer: Akio Kon/Bloomberg via Getty Images

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Alex Wilhelm, a bitcoin miner, points at a website on his computer that he uses to determine which crypto-currencies to mine and trade at his home in Tokyo, Japan, on Saturday, March 29, 2014. Wilhelm, one of thousands who use computers to solve complex math problems and get their hands on the digital currency, has 30 remote-controlled servers mining virtual gold in an old brick building in the Austrian countryside. Photographer: Yuriko Nakao/Bloomberg via Getty Images

Alex Wilhelm, a bitcoin miner, points at a website on his computer that he uses to determine which crypto-currencies to mine and trade at his home in Tokyo, Japan, on Saturday, March 29, 2014. Wilhelm, one of thousands who use computers to solve complex math problems and get their hands on the digital currency, has 30 remote-controlled servers mining virtual gold in an old brick building in the Austrian countryside. Photographer: Yuriko Nakao/Bloomberg via Getty Images

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The building housing the headquarters of cryptocurrency exchange Coincheck Inc. stands in Tokyo, Japan, on Monday, Jan. 29, 2018. Japanese cryptocurrency exchange Coincheck said it will use its own capital to reimburse customers who lost money in Friday's $400 million theft. Photographer: Akio Kon/Bloomberg via Getty Images

The building housing the headquarters of cryptocurrency exchange Coincheck Inc. stands in Tokyo, Japan, on Monday, Jan. 29, 2018. Japanese cryptocurrency exchange Coincheck said it will use its own capital to reimburse customers who lost money in Friday's $400 million theft. Photographer: Akio Kon/Bloomberg via Getty Images