Blockchain is a verification infrastructure that offers a solution to the problem of how to verify digital identity. This publication is aimed at policy-makers in education who have an interest in understanding the affordances of blockchain technology to the education sector. Exploratory exercises with blockchain demonstrate that it is already possible to deploy the technology to cover credentialing and certification in both formal and non-formal learning. This publication presents the essential concepts and uses in a style accessible to policy-makers and experts who are not necessarily specialists in the area but need a quick introduction into the subject.