In this chapter, I continue to add features to the store and build administration tools that use those features through the UserManager<T> class. I start by adding support for storing and managing claims and then use these features to add support for roles, which are given special status in ASP.NET Core and ASP.NET Core Identity because they are so widely used. I also show you how to generate and validate confirmation tokens, which are used to ensure that a user can access the email address or phone number they ...