There are several ideas for anti-cheat systems.
In the FourSevensRueful Version, they were released in the Game Mechanics Update. Additional measures that can be used to deter hackers and ex-hackers from using what they got by cheating may be helpful in making the game fair for everyone. With the end of Prodigy Hacking Extension (PHEx), there are a limited number of players that continue to use what they have to make Prodigy Math more miserable for its other participants on multiplayer servers.