The private key helps you to restore the wallet, or add your wallet on other devices
1/ Update the app to the latest version. On the WALLET screen, tap on the “Gear” icon to access to the account screen
2/ Tap on “Backup” to see all the private keys of your accounts
3/ Tap on “Copy all keys”
4/ Save it to somewhere safe. Anyone has it can access to your funds. For example, I send it to my personal email
Tip: You can back up the private key of your account separately. On the account screen, tap on the “Key” icon. For example, I am at the Account 0 and I want to back up the private key of my Node account 1234-567890
On the second row, tap on “Copy”
Then, save it somewhere safe.