Banned dnt no y

[JUTD]

[12] *** Nate_sooooooo joined the game.
[12] *** Nate_sooooooo left the game (kicked).
*** Large money increase: Nate_sooooooo (ID:12) from $2500 to $59999999 (+$59997499) #1
*** Nate_sooooooo (ID:12) banned for increase > 10.000.000.

Could you explain the increase?