[tkeller]

He's trying to write this up as a neat hack ($300 for an hour of work? where do I sign up?), but all he's really done is waste a lot of other people's time to exploit a silly loophole. I wonder how many man-hours the bank spent moving and counting 300 pounds of coins, not to mention how much tax money was spent shipping the damn things to him. What an unproductive waste.

[iskander]

Now imagine the same feat repeated every 10ms with billions of dollars and you have the modern institution of high frequency trading.