"Never trust the client". The assumption should always be that the game client is lying to the server, whenever that's possible. In multiplayer games, a stream

"Never trust the client". The assumption should always be that the game client is lying to the server, whenever that's possible. In multiplayer games, a stream of keypresses is sent to the server, and a game state is sent back to the client. At least, that's part of the argument that I assume they'd make.