https://thenextweb.com/basics/2019/04/11/how-to-use-your-android-phone-as-a-security-key-for-your-google-accounts/

Welcome to TNW Basics, a collection of tips, guides, and advice on how to easily get the most out of your gadgets, apps, and other stuff.

Google has been working to make it easier to secure your accounts for its services with two-factor authentication over the past few years. Now, it’s enabled a handy feature you should definitely consider using if you’ve got an Android phone.