If you want to check is there are trustable platform or not you should check the members of this platform and probably contact with them on any social platforms.
not only that but we also have to keep up with the progress of the project, because sometimes those who have a real team but after earning a lot of money, they will go and leave the project
yes, everything we have to examine and monitor because we cannot know for sure only see the composition but we must always keep up with the development of the project so I personally prefer not to be rash in investing and always wait for good things first.