I have experienced many things while hunting for bounty prizes, when I joined one of the bounty projects I supported it for almost two months and when the distribution of the project was a scam I was very disappointed.
Participating in bounties is like doing a volunteer job or doing worj just to get experience or knowledge. You dont sign any contracts, no one forces you to participate, no one makes a 100% promise to pay and you can leave when ever you want.
It is weard to read posts from hunters, that they demand something from project/project
must pay/they work hard/every work must be rewarded, while all they do is join telegram channel and subscribe projects medium account or have done few click in twitter.