Quite suspicious to me,because theres no existing spreadsheet that you can based your rewards,there will be no one to complaint as these people doesnt provide the spreadsheet of all the participants,they might have most of the stakes of each campaign that is why less people are going to get good stakes from each bounty campaigns that they participated.
That is what I do not like with the site as well. You cannot track your progress with the campaigns they are running and there is a great chance that you will be disappointed of the token you'll get because you do not know how many stakes you are getting each week you work. I am giving this signature a try for it will just run for a month. IF it does not pay well, I'll quit from the site.