Coincheck Inc. Bitcoin Wallet App and Company Headquarters as Crypto Exchange's $400 Million NEM Loss Spooks Investors [Getty Images]

A chart tracking the value of Bitcoin on cryptocurrency exchange Coincheck Inc.'s Bitcoin Wallet app is arranged for a 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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