[How to use the badge system]
An account for the challenger badge system can be created easily with an email address. Users can also log in to the system by using their Twitter or Facebook account.
After logging in, users can enjoy such services as creating and joining an event, issuing a badge, and receiving badges. However, for creating an 'organization,' you need to obtain permission from the University of Aizu.
Please see the following image for a more detailed procedure.