What is the electronic certificate of Wowallet?

Wowallet electronic voucher (hereinafter referred to as electronic voucher) is a marketing payment tool designed by Unicom Payment Company for Unicom Group and its subsidiaries. When users participate in Unicom's marketing activities, e-vouchers can be used as electronic gifts issued by operators to give back to users. Under normal conditions (not expired or locked), e-vouchers can be consumed by Unicom cooperative merchants. Electronic vouchers can be used many times, and can also be used many times.