This is a special badge to celebrate BlingVille's half-year-old birthday party on February 12, 23.

This is a special badge given to those who took part in basic Notion lecture 2 by Charmmon detective. We remember this lecture.

This is a special badge given to those who took part in basic Notion lecture 1 by Charmmon detective. We remember this lecture.

A lecture on worldview from CEO Kim Dong Eun. The user who has taken the world view lecture can acquire this badge and remember the lecture.