Withdrawals may be divided across different payment methods as a safety measure against card theft and fraud. This closed-loop system stipulates that funds must be returned to the payment methods initially used for depositing. If one frequently deposits using various cards, it’s crucial to keep track of the net deposit, which is the sum deposited minus the sum withdrawn. To withdraw funds with a negative net deposit from one method, all other net deposits must be zero first. This protocol is in place to secure transactions and maintain financial integrity.