Lets assume the was no "leak" from the cold wallets and Mtgox made up transactions and sold bitcoins they never possesed and made new "goxcoins" out of thin air up to 700k.
Btc withdrawals would be paid with realbtc, but they ran out.
This would be a classical ponzi.
Btc withdrawals would be paid with realbtc, but they ran out.
This would be a classical ponzi.
Possible, how could one be stole so much and not notice?
Nobody external could have noticed. Only Karpeles himself. But its possible that HE made up these transactions with new goxcoins out of thin air
so he knew it anyway