Sure, but these concerns do not apply so much to turn based games. In a turn based design all clients move in lockstep by virtue of the core game mechanics. Cli

Sure, but these concerns do not apply so much to turn based games. In a turn based design all clients move in lockstep by virtue of the core game mechanics. Clients that send invalid commands will have them ignored by the server, and the client view will be updated to the current valid state when the client catches up.