"The point remains that an attacker can win by spending only slightly more money than the defender."
It's actually only slightly more than the sum of the defenders (assuming as we are for the sake of argument that everyone is buying efficiently). If what you said was true BitCoin wouldn't even have gotten to where it is now.
It's actually only slightly more than the sum of the defenders (assuming as we are for the sake of argument that everyone is buying efficiently). If what you said was true BitCoin wouldn't even have gotten to where it is now.