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FIDO2 card setup guide for Facebook Account

How to setup Cryptnox FIDO2 card to
Facebook Account

Step by step tutorial to setup Cryptnox FIDO2 card to Facebook account

Passkey Support Across Operating Systems and Web Browsers:


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


  • MacOS: Passkey support is available in browsers such as Safari and Firefox.
  • Windows: Most modern web browsers provide passkey 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
    passkey setup proces
How to setup Cryptnox FIDO2 card to Facebook Account

Before you start

Before you start to setup FIDO2 card to Facebook account, make sure you have a contactless reader that is compatible with ISO 14443 for contactless or ISO 7816 for contact reader.

Step 22: Save the Cryptnox FIDO2 card for Facebook account as an authentication key.

Step 1

Log in to your Facebook account and go to Settings & privacy. Then select “Password and security” as shown.

Step 2

How to setup Cryptnox FIDO2 card to Facebook Account

Go to “Password and security“ and select “Two-factor authentication”.

Step 20: Start enrollment of Cryptnox FIDO2 card for Facebook account authentication.

Step 3

In the pop up, select “Security keys” option.

Step 23: Final confirmation for Cryptnox FIDO2 card for Facebook account setup.

Step 4

Select “Add” to start adding the passkey.

Step 21: Verify with Cryptnox FIDO2 card for Facebook account when prompted.

Step 5

Select “Register security key”.

Step 16: Open Account Center for Cryptnox FIDO2 card for Facebook account setup.

Step 6

The system will prompt the available options to setup a passkey. Ensure to select the “OK” on pop ups.

Step 17: Access password and security for Cryptnox FIDO2 card for Facebook account.

Step 7

The system will prompt the available options to setup a passkey. Ensure to select the “Security key” and select “Next”.

Step 18: Select two-factor menu for Cryptnox FIDO2 card for Facebook account.

Step 8

The system will prompt the message to setup the security key. While the prompt is opening, place the card on the contactless reader.

Step 19: Add security key option for Cryptnox FIDO2 card for Facebook account.

Step 9

Once the card is registered properly, the system will ask you to put the PIN. Once you put in the PIN, select “OK” and in the next pop up, select “OK” again.

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 passkey authentication.

Step 15: Verification complete for Cryptnox FIDO2 card for Facebook account sign-in.

Step 10

You have successfully setup the Cryptnox FIDO2 passkey on Facebook account.

Need another card for additional security key? Visit our Official Store to explore more Cryptnox products