Special thanks to WTYP for letting me know this exists.

    • Optimismbias [none/use name]
      ·
      edit-2
      4 years ago

      It's a tribal identity signifier, likely awarded to people who have passed the tribe's initiation rituals. It's called a challenge coin because when another member of the tribe challenges you, you must show it or pay a penalty.

      Think of it like a class ring.