But in another part of the statement it says "We stole no bitcoins. There were n...

a_olt · on March 9, 2014

The balance may have been obtained from the logs, rather than from actual funds stored in the wallets.

DrStalker · on March 9, 2014

It's a DB dump, so this is exactly what it is.

If they had the public keys to all Mt Gox's wallets whey would be able to check them for funds, but there would still be questions about who controlled the wallets and if they had found them all so it would still not be proof of fraud (but the more evidence collected the more likely there will be something confirm-able discovered)