How to Create Moodle Badges | Information and digital literacy in education via the digital path | Scoop.it
Badges are new in Moodle 2.5+ . Badges are a great way to motivate users. They are an electronic way to demonstrate that you have mastered a specific skill. Moodle badges may be awarded based on a variety of criteria chosen by the teacher. You can upload your own images as badges or get them from a site such as Badges for Your Moodle.

Via Juergen Wagner, Miloš Bajčetić, Mark E. Deschaine, PhD