Why do you need 1 double flow for cash withdrawal?

Because after users recharge their money to the platform, if they want to withdraw cash, they need to use the recharged funds as the principal for betting. 1 double flow deposit is the requirement of lending institutions for customer qualification. When a bank applies for a mortgage, it will require the customer's bank income to be more than 1 times of the monthly payment, so that the customer will have enough repayment ability and the bank will consider lending.