How to setup Cryptnox FIDO2 card for
Cloudflare account

Step by step tutorial

Passkey Support Across Operating Systems and Web Browsers:


The availability of passkey support can vary based on the operating system and web browser being used.
MacOS: Passkey support is provided by browsers such as Safari and Firefox.
Windows: Most web browsers offer passkey support.
On mobile: It’s recommended to use the mobile web version of the service, as almost every application directs users to the web version within a mobile browser for the setup process.

Before you start

Before you start, make sure you have a contactless reader that is compatible with ISO 14443 for contactless or ISO 7816 for contact reader.

Step 1

Log in to your Cloudflare account and go to “My profile”.

Step 2

Go to “Authentication“ and select “Set up” for

Step 3

Enter your password and select “Next”.

Step 4

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

Step 5

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

Step 6

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

Step 7

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 8

Give a name for your security key. This can be anything you like.

Step 9

The website will show your the recovery codes. Make sure to save them somewhere you can always access.

Step 10

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