Microbol – Micro-credentials linked to the Bologna Key Commitment is an Erasmus+ sponsored project that tries to give advice how to reform higher education, how this can comprise micro-credentials, also to support increasing access to continuous learning for all learners. This extensive research overview for the European Commission outlines the current state (2020) of usage of micro-credentials with a strong focus on higher education. It discusses, how different activities and instruments of European authorities and projects influence the adoption and recognition of micro-credentials. It also gives an overview of projects and activities that try to promote micro-credentials – both on a global and European level. With respect to our target group and goals, several question are raised, that affect the value and adoption of Digital Badges: – The ECTS provides guidelines for formal, non-formal and informal learning recognition. How do micro-credentials fit into those?