Cashier system: Can the staff see the recharge password system set by the guest?

I can't. According to the query blog, the recharge password set by the cashier system guests is safe, and the cashier system is invisible except the money and commodity information paid by the guests, so the personnel of the recharge password system set by the cashier system guests are invisible. Cashier system is specially developed for various industries, including supermarkets, hotels, hairdressers, beauty salons, restaurants and other well-designed systems.