There is an actual Vivokey forum(link at bottom), which may be a better place for your question.
you can also link your accounts.
Here’s the “how to” Amal put together
Hey everyone,
The Dangerous Things forum now supports VivoKey based authentication! Since you’re reading this, you probably already have an account. To properly link existing accounts with your VivoKey, follow these steps;
1) Click your profile icon in the upper right corner.
[dt-forum-vk-1]
2) Click your username in the drop-down.
[dt-forum-vk-2]
3) Click “Preferences” from the menu.
[dt-forum-vk-3]
3.5) If you have two-factor turned on, you have to disable it to associate VivoKey
[two…
https://api.vivokey.com/accounts/login/?next=/openid/authorize%3Fclient_id%3D69485359689%26nonce%3D0524ad0d293fe2a8c2c1d276d7b9d85890f6559c9d4bae8fb730a97882dccfa6%26redirect_uri%3Dhttps%253A%252F%252Fmembers.vivokey.com%252Fauth%252Fvivokey%252Fcallback%26response_type%3Dcode%26scope%3Dopenid%2Bemail%26state%3D1a348818fadc9391fd450d9091f354471e73782435fd620f