I did some tests using local entities.
I used the "cheat engine" to do some basic hacks of the speed and position and noticed that with this is very easy to cheat the game.

Create validations on the server for each transmission of information would be very labor intensive and cost more processing time.

I'll make some tests using global entities and report the result

Could you give me more some informations?
doing this way you taught me. How could I send data packets containing struc array?