Google has updated its Authenticator for Android app with support for Android Wear, allowing you to see authentication codes on your smartwatch.

The new app includes a developer preview of a ‘tap to authenticate’ feature that will allow users with NFC-equipped devices to simply tap one device to another instead of typing in a code. Google already offers a USB security key as an alternative … 

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Google Authenticator is a free download from the Play store.

Via Engadget.

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