What is the reason why you can say that it is the end for the newbie? There are lots of successful bounty program you can find. Don't lose hope, not all bounty program are successful or gives a big token. Its just a matter of trial and error process.
from the question above, it is possible that the OP was disappointed because he participated in a prize campaign that ended in fraud. yes, that is the risk of this work. before taking part in it must remember that everything is at risk. so that at other times it will not despair when it occurs as it is felt by the OP.