How to back up wallet ?

Click the button in the upper right corner of the wallet and select “Manage Wallet”

Then choose a backup method (export mnemonic, private key, or keystore)

Enter the wallet password, write down the content in paper or back up into a safe file.

Some wallet does not support mnemonic backup.(ex. EOS wallet only support exporting private key)

Any questions, join: https://t.me/mathwallet