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
Note：IOS user please download TestFlight version ( How to install MathWallet iOS TestFlight version?)
How to Enable Password Free Payment?Switch to any decentralized wallet, here using ETH as an example, and click on the wallet icon
Choose password-free payment
Click to open
Note: Face/fingerprint support is required for password-free payment in your device