1. Open Pinduoduo Personal Center and select Settings, as shown in the figure:
2. After entering the settings, select the confidential payment settings, as shown:
3. Then, select a lot of wallet-free payments below, as shown in the figure below:
4. After entering, click below to close the secret-free payment of Duoduo wallet, as shown in the figure below:
5. Finally, click Close again, as shown:
In this way, the confidential payment of many wallets will be cancelled and closed.
If you have other methods, please leave a message in the comments section below.