The project team can be understood. The application needs the first customers who wish to download their documents for verification. That's why the team decided to organize a free distribution of tokens.
This is a common practice. I had to deal with such a project, where I had to make my resume so that it was presented to the employer. There are also many projects in which you need to create an account.
If a person plans to go to another country and make a resume, then, of course, he will need all this. But if there is nothing like that in the plans, then you can not waste your time on uploading the diploma to the app.