The assurance must present in this situation in dealing of some investment of different kind of project. You might be take some risk in having invest some that doesn't good at first time. You may invest those projects have a name at the same time.
It will be a high risks if you just invest your big amount of money into something that you are still in doubt. Better to look for another legit project that deserves your investment. Investing in such projects really brings risk but if you keep in making DYOR before making up your final decision, the risk will be lessen. Once you're in doubt, never go with it unless if you want to end being a loser.