Go big or go home. That’s the motto of one mysterious investor who put his chips on the table, buying close to $400 million of the No.1 digital currency, bitcoin.

The purchase comes as cryptocurrencies are making a comeback after a dreadful start to 2018. Major digital currencies lost as much as 50% to start the year as growing regulation and security fears crippled the market, seeing traders bail on their positions. However, the tide has turned.

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