A common misconception is that a casino bonus is "free money" that can be withdrawn immediately. In reality, bonuses are extra play credits provided by the platform to extend your gaming session. These credits are stored in a Bonus Balance, which is separate from your Real Money Balance.
The fundamental difference is that real money can be withdrawn at any time (subject to standard terms), while bonus funds must satisfy specific conditions—known as wagering requirements—before they "convert" into withdrawable cash. Typically, the platform will utilize your real money balance first; once that is exhausted, the system begins drawing from your bonus balance.