What is password - free payment ?
Password-free payment means you do not need to enter password when make a payment in MathWallet. The payment could be confirmed by Fingerprint or Face ID.
【How to make a password – free payment ?】
First download MathWallet：https://www.mathwallet.org
Guide:
Switch to any decentralized wallet, here using ETH as an example, and Click the button in the upper right corner of the wallet and select “Manage Wallet”
Choose password-free payment
Click to open
Note: Face/fingerprint support is required for password-free payment in your device