At this point, you must already use 2-step verification on all platforms and services where you have an account. If you do not, Google today wants to convince you to do it once and for all, making it easy for you to sign in securely.
For this reason, the company announces the possibility of using any Android device with a version of the system of 7.0 and above as an actual security key to verify the login to your Google Account.
For this reason, the company announces the possibility of using any Android device with a version of the system of 7.0 and above as an actual security key to verify the login to your Google Account.

According to Google itself, the actual security keys are the most effective way to keep our accounts safe from potential phishing attacks. For this reason, with this system, it aims to provide Android users with the possibility of using this type of safe verification without the need to buy an additional device is usually priced around 20 dollars
To activate the built-in security key on any device, it will only be necessary to have a computer running ChromeOS, Linux, MacOS or Windows, with Bluetooth connectivity and Google Chrome browser installed. Once you meet these requirements, just follow these steps:
- Log in to your Google Account on your phone and turn on Bluetooth.
- On your computer, go to myaccount.google.com/security through Chrome.
- Select and do the 2-Step Verification option.
- Choose the "Add security key" verification method.
- Select your mobile Android phone from the list of available devices.
- Log in to your Google Account on your phone and turn on Bluetooth.
- On your computer, go to myaccount.google.com/security through Chrome.
- Select and do the 2-Step Verification option.
- Choose the "Add security key" verification method.
- Select your mobile Android phone from the list of available devices.
This way, the next time you try to sign in to your Google Account through an unknown device as above, you will be prompted to access your account through your Android phone which you have designated as a key via Bluetooth.