As far as I understand it is necessary to study the project and the white book very carefully before investing. Also, it is necessary to consider projects with acting products or worker MVP. It is safer to invest in blockchain projects.
The action is really depending on us, if we study the better because that will give us a good insight on the project.
If we love our money being invested, we need to make sure that we will protect it by making ourselves educated and to ensure that we will be investing in a legitimate project.