At this moment Im not join in signature campaign brcause Im busy in the past few weeks ago. But in the past few months the bitcoin that I got in the signature campaign as reward I use sometimes in playing gambling to their sites that I promoted and test the efficiency of the sites and also to make a feedback or review to my experience to their sites that need to know the people how good and how bad is the gambling sites that we are promoting. I think most of the participants rewards from the campaign mostly withdraw their funds only few fo them are always use their money.