Many wallets and bank cards are safe. Duoduo wallet is launched in Pinduoduo. Pinduoduo is a new pioneer in e-commerce, and the company has already been listed in the United States. From this perspective, many wallets are still safe, similar to payment and Alipay. Open the Duoduo APP (version: 5.84.0), you can see the words Duoduo Wallet at the bottom of the order process, then click "Free Opening", enter your name and ID card information to bind the bank card, and you can choose Duoduo Wallet to pay for shopping.