don't waste your time on projects like that and you better choose projects listed on other exchanges, for example from bounty detective I see a lot of their projects listed on the exchange are more promising than azbi it's just that I don't know whether the reward is guaranteed or not .
right now it's better to be in a bounty that clearly has an exchange than to put your job in a job that isn't necessarily profitable. so be smart in choosing a project before following along