X is the rebranding of the social media service, Twitter (a microblogging and social networking service where users share short posts, images, and videos.).
The logon process for X can include requiring an OTP code to be entered that is provided by your programmable token (which takes the place of an authentication app).
Log in to your X account, then in the left hand column select the option "More";
Then select the option "Settings and privacy";
Next select "Security and account access", and "Security";
In order to add a programmable hardware token as an authentication method we now need to select "Two-factor authentication";
Our programmable token will act as an authentication app, so the option "Authentication app" must be selected;
Your account will now be verified, click "Send code", then search for the email that is sent to you;
An email will be sent similar to the following;
Copy this code to the "Enter the verification code" prompt on your browser, then click 
;
A window similar to the one below will now show, click 
;
You will now be presented with a QR code similar to the following example;
You can use the QR code to program our programmable tokens using the instructions found in the following procedure;
Verifying your token
Once you have programmed your token you will need to verify it with X.
Click 
, then copy the current 6 digit code on your programmable token into the following confirmation window;
Click 
after you have copied the OTP code, and you should see a confirmation screen similar to the following;
In the example above a backup code "yvm51584v29r" was generated, yours will differ, but keep an note of this code as it can serve as an emergency access method.
Click 
, and the programmable token will be usable as an authentication method when you next log in to X.
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