at the moment I have also done that but is it possible to just look for a bounty project that is already listed on the exchanger is certainly good? Are there no more cases of cheats or the project does not make payments after the bounty is finished? and some options for a good bounty manager do you have a recommendation?
There are plenty of projects or campaign listed on exchanges. Cheating or scamming is inevitable, the latest one I heard so much is digitalbits, good thing I did not participate on their campaign cause the management decided not to pay them and they are really ignoring their promoters.
For good managers you can bet on arteezy, bubblealex and bounty detective. So far these are the people recommended for altcoin campaigns.
Yub! Projects that are listed on exchanges don't mean that they have credibility. Scam projects are very sophisticated. It's hard to realize which one is scam. However, you can do several things to reduce the chance of being scammed such as doing research about the projects, following along their plans, etc.