This research paper examines the role and the contribution of Open Badges in open education systems, it reviews through case studies how Open Badges have been used so far and how could they be used to improve the quality of studies, especially in non-formal and informal education contexts. Key takeaways: There are various terms used for Open Badges under different educational contexts (table 1 – page 4) Through case studies, Open Badges prove to be a way for recording performance and progress, and to strengthen connections between community of users. Open Badges show promise improving engagement of studies  To bring improvement of quality, a common and homogenized term and system of criteria and procedures is required. The research paper calls for development of a prototype for a common, open system of digital credentials and offers a set of criteria for it.