It is very important, because it is the guide of what is going to be done, in fact you can follow up according to the Whitepaper, if you have complied or not with what they have written there, it is a way to realize if the project is on track , whether it is legitimate or not.
Normally in the Whitepaper, they describe in detail all the technical aspects, but it should be taken into account that it is considered completely authentic when it is completely fulfilled after having made the respective collection of money, and those funds are used to develop and carry out what they promised to create.
Already today it is much more important, because projects are already underway, such as Telegram, and very soon that the Facebook Pound will be launched that will attract the attention of everyone in general whose Whitepaper will be analyzed by all the most experienced critics.