Watch-only mode is an optional feature that allows you to log in to a Blockstream Green wallet with limited permissions.
Note: The watch-only feature is only available for the Blockstream Green mobile app.
You can update your wallet's watch-only mode login details via your mobile wallet's settings.
On your wallet's home screen, tap the Settings icon in the bottom left corner.
Tap Watch-only login.
Enter your new login details and tap Save.
Your watch-only mode login details are now updated.