>>In most transactions, such a confirmation would have cost money on every transaction since speed matters. Which is why I said you would enable it based on a

>>In most transactions, such a confirmation would have cost money on every transaction since speed matters. Which is why I said you would enable it based on a threshold and/or only on unusual threads. These systems are capable of extremely complex decision-making at very high frequency. Surely something like "sell 610,000 shares for 1 yen" would have stood out as strange.