Currently, we have been talking about Here is the question at mind, how one setting up verification and how are why going to set up verification for your Q&A forum. Below you will see my research.
After look around for a while I found this article: Authorization with CanCan
This article really shows and walk you through setting up and tutorial. Thanks to this article, I am now better equipped for understanding CodeWorkout Authorization.
Here the GitHub repositories for CanCanCan