This explains many mysteries from Starcraft 1: bad replay file after patching, small replay file sizes, low network traffic usage from multiplayer even on big m

This explains many mysteries from Starcraft 1: bad replay file after patching, small replay file sizes, low network traffic usage from multiplayer even on big maps. The hash value sent between player also hints the mechanism for drop hack. My guess it that the hacker would pretend to be the victim and send a bad hash values to every other players. The hash check would fail and the victim would just end up disconnected from the game. Haven't heard of such hack in SC2, wonder how they fixed it.