Cryptnox FIDO2 card for Google account setup guide cover image

How to setup Cryptnox FIDO2 card for
Google account

Step by step tutorial

Security Key Support Across Operating Systems and Web Browsers:


The availability of security key support may vary based on the operating system and web browser in use.


  • MacOS: Security Key support is available in browsers such as Safari and Firefox.
  • Windows: Most modern web browsers provide security key support.
  • Mobile devices: It is recommended to use the mobile web version of the service, as many applications redirect users to a mobile browser to complete the
    security key setup process.
Cryptnox FIDO2 Card for Google Account Mobile Setup Guide

Step 15 setup Cryptnox FIDO2 card for Google account mobile reviewing the added key

Step 1

Log in to your Google account first in the browser and Select “Manage your Google Account”.

Step 10 setup Cryptnox FIDO2 card for Google account mobile with NFC prompt shown

Step 2

Go to “Security” and select “Security Keys and security keys”.

Cryptnox FIDO2 Card for Google Account Mobile Guide

Step 3

Read the instruction carefully and select “Create a security key”.

Step 12 setup Cryptnox FIDO2 card for Google account mobile following the phone prompt

Step 4

A pop up will appear and within that ensure to select the “User another device”.

Step 13 setup Cryptnox FIDO2 card for Google account mobile using a security key card

Step 5

A pop up will appear and within that ensure to select the “Security key”. Then select “Continue”.

Step 14 setup Cryptnox FIDO2 card for Google account mobile by verifying the NFC smart card

Step 6

The system will prompt the message to setup the security key. While the prompt is opening, tap the card at the back of the phone.

Once the card is registered properly, the system will ask you to put the PIN. Once you put in the PIN, select “Continue”

Important: Ensure you remember your PIN. It is advisable to save it securely or write it down in a safe place. You will need this PIN the next time you log in to a site where you have set up security key authentication.

Step 16 setup Cryptnox FIDO2 card for Google account mobile ready for Google sign-in

Step 7

The system will prompt the message tap the card again to activate it. Once it is done, it will automatically proceed to next step.

Step 11 setup Cryptnox FIDO2 card for Google account mobile by holding card near phone

Step 8

Make sure you backup the code for the recovery purpose in case you forgot or lost the security key and then select “Done”.

You have successfully setup the Cryptnox FIDO2 security key on Google account.