You MUST be able to clearly answer ALL of the questions below before you should ever consider buying
What are the goals with your investment?
What is your investment time horizon?
Are you trading or investing?
Do the projects you are considering investing in have clear a clear and defined use case?
a. How big of a real world problem are they solving?
Do they have a solid team in place and well funded?
The only way you can hold yourself accountable is to invest only with money you are comfortable losing and have ultimate goals with the investment.