Board Thread:Questions and Answers/@comment-35406941-20130807192409/@comment-5572894-20130812192525

As the others have said, it's a list that lists all of the users that have not really earned their Beta Hat or other items.

They're added to the Black List so we will know they're not legitimate beta users or whatever they may claim to be. These are hackers that have found some type of Loophole in the Club Penguin system to obtain these items.