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 99% of Mt Gox bitcoins went missing through internal manipulation, not due to an external cyber attack, a Japanese newspaper reports. The newspaper cites an insider source and the Metropolitan Police Department.  


The Yomiuri Shimbun is a national Japanese daily newspaper published in Tokyo, Osaka and Fukuoka. It belongs to the Yomiuri group, Japan's biggest media corporation. 
 
 

Mt Gox has maintained the line that the bitcoin loss happened due to 'transaction malleability'. According to the article, the Metropolitan Police Department's ongoing investigation considers the suspect to be someone who had access to clients' funds and was familiar with the exchange system.  

Only 7,000 of the bitcoins were lost through an external attack, just 1% of the total amount, 650, 000 bitcoins. 

The full story will be published in the print edition of the newspaper on January, 3rd.