User blog comment:Matt Hadick/King's Quest Giveaway/@comment-114.142.220.219-20150808081942/@comment-65529-20150808112850

I believe you have to sign up for a real account to be eligible. Otherwise simply going by 'IP address' could end up going to anyone (difficult to contact the winner).

"This is the contributions page for an anonymous user who has not created an account yet or who does not use it, identified by the user's numerical IP address. Some IP addresses change periodically, and may be shared by several users. If you are an anonymous user, you may create an account or log in to avoid future confusion with other anonymous users. Registering also hides your IP address. Why create an account? (How to create an account) "