There's actually an exchange that did this. In order to avoid software problems that would negate the slowing, they actually plugged their servers into a giant

There's actually an exchange that did this. In order to avoid software problems that would negate the slowing, they actually plugged their servers into a giant box full of fiber optic cable. If someone manages to get past that, then they don't have an HFT firm, they have a time machine. https://www.youtube.com/watch?v=d8BcCLLX4N4 https://www.youtube.com/watch?v=d8BcCLLX4N4