Many people have been wondering whether blockchain will be the new paradigm in digital certification for the education and training world. As the buzz spreads, some already seem convinced that integrating blockchain technology into the issuance of academic records such as diplomas, affidavits, certificates, transcripts, etc. will be an effective response to the legal and technological expectations and constraints of the education and training world. It is of the utmost urgency to clarify the advantages, disadvantages, and limitations of blockchain in digital certification. Like all technology, its role is to provide a concrete, serious solution to real challenges, one that can integrate the existing environments of the different users and their equipment, their way of operating, and their organization.