Locking the Phantom app prevents others from accessing your wallet if you leave your device unattended. You'll need to authenticate to unlock it.

Set Phantom to lock automatically #

Mobile app #

To set auto-lock, follow these steps:

1. Tap your profile avatar in the upper left to open the sidebar.
2. Go to Settings → Security & Privacy.
3. Tap Require authentication and choose a duration (from Immediately up to 1 day). This option requires that you turn on Face ID or another authentication method.

To unlock, use your authentication method.

Browser extension #

To set auto-lock, follow these steps:

1. Click your profile avatar in the upper left.
2. Go to Settings → Security & Privacy.
3. Click Auto-Lock Timer and choose a duration (from Immediately up to 1 day).

To unlock, enter your password.

Lock Phantom manually #

Mobile app #

There's no manual lock option on mobile. Phantom locks when you lock your device or quit the app.

Browser extension #

To lock Phantom manually, follow these steps:

1. Click your profile avatar in the upper left.
2. Scroll to the bottom of Settings and click Lock Wallet.

To unlock, enter your password.