bounty companies can be taken seriously.this is a profit, but not all bounty companies can be winning, first study the product, the company and then join.
Working seriously and working hard will get maximum results. Bounty is a good way to get tokens for free and is very profitable. It is true that we must be able to determine a good project to participate in it. Although difficult, but if you keep trying, you will certainly find a good way to determine a good project.