Are new projects supposed to be well successful today to pay bounty hunters their promised payment? If they raise huge amount of money paying bounty hunters won't be a big problem, am I right ?
If they really wanted to pay their participants, they will pay them as they have promise but it happens that most unsuccessful projects never show up after their ICO/IEO. Very unfortunate and that is the truth now. We got lucky if we receive those rewards but the problem is where you can trade them, they are not yet listed.
If you are participating in these projects, better not to expect them because that possible it gives you nothing. You can't force them either as they are not active anymore in their telegram.