Immediately cover all countries of the world is very difficult. It will take a lot of money, advertising, time and staff. It is better to start the promotion of the project from any one sector.
Yes, they need to start with something. Interestingly, is it in one country or in several?
Good adv can be - the successful use of the service in several well-known universities.
The TrustED project team has already selected 9 universities and concluded partnership agreements with them, so there is a start.