I have written before about a number of players hacking on tanki X.
It appears you do not care.
Here is video of hackers hacking and selling their hacks to players
I hope you look into this, it is very frustrating and happens on a daily basis. It is not easy to catch them on video as they normally do not do it for more than 1 minute. Enough to change the game so they win lots of crystals.
Customer support service by UserEcho