Thread:Thisismyrofl/@comment-13358279-20130718232110/@comment-1330470-20130719000553

Only some wikis (those who have been marked as appealing to children) have been affected. This was due to a change in US federal law, and unless this law is further changed, there are no plans to reinstate anonymous editing.

Maybe check out User_blog:Semanticdrifter/Updates_to_COPPA and direct any questions there. He will know better than me.