Just make a lot of research about the project that you wanted to participate in or invest in. By just reviewing of their whitepaper and see if it's a high potential project that having an ability to succeed in the future. And don't forget to identify of their team members, because some bounties are just making a fictitious characters to attract people. And make sure to join of their telegram group to be sure that they have a good and active community members that will help you with all of your questions and concerns about the project.