
Both of these accounts use unique emails via SimpleLogin aliases, unique info, passwords, etc. I'm curious whether the token the Yubikey generates can be used to track me across services or across different accounts on the same service.įor example, imagine I have two accounts with some provider which I want to ensure aren't at all linked/associated with each other. Once your security key is set up, it will appear under Two-factor authentication > Manage security keys.I have one of the Yubikey 5C devices which I use as a physical 2FA on certain services that support it. Once you have read the instructions and moved forward, then either insert the key into the USB port of your computer or sync it with Bluetooth or NFC. Now Twitter will ask for a password, if you haven't confirmed your email with Twitter, you'll get an email with a code and a link that will redirect you back to the site. Now go to Twitter and follow the same mentioned instructions and click on Security Key. For a security key, you need a physical authentication key such as YubiKey but make sure it supports your browser such as Chrome, Safari, Firefox etc. In case you haven't confirmed your email with Twitter, the microblogging platform will send you an email with a confirmation code and a link that will redirect you back to the social network platform. Once you have chosen the app, enter your password and click Confirm.

Then go to Twitter and follow the same sets mentioned above.

Text message - which uses your mobile phone to receive a text message with an authentication code to enter when you log in to Twitter.
