Sure. I recommend only to put signature and do bounties for projects you really believe in and you are willing to invest yourself. Not just "any" bounty because most of them, honestly, are not good projects.

This means, you have to make your due diligence. Doing bounties takes time, it is a lot of work, so you need to select in which project you will do the work, because you will be paid on their tokens. So you must make sure that those tokes are good ones, which can grow over time and represent a project you really believe in.

This is what I do. Otherwise it is worthless.