I updated the way people can leave comments to the way it was previously where anonymous users could leave comments if they verified with their email addresses and I also enabled Typekey authentication.
This is how I originally had planned to have authentication for leaving comments along with registration but in my haste moving to my backup server in November I didn’t allow for these authentication methods.
To summarize the full list of services for leaving comments on my sites besides using your email as an anonymous user are with Vox, & TypeKey login/authentication services.