Hi, This is more of a theoretical/conceptual question and it is more related to server programming than BabylonJS itself. But I'd like to have tips on dealing with these problems: Let's say a wall is in the middle of 2 players. The players have to go around this wall to see eachother. Now, the problem is that an evil player can ''disable'' the phyics/collision of this wall and go through it to catch the other player. In fact, he can just change his position and there he is, at the othe