I have reviewed all the accepted participants and noticed all the participant have at least2 negative trust from default trusted users. Anyway, the users who had joined on this campaign knew they will get negative trust and even they may get banned for promoting 1xbit like promoting yobit.
Most of the participants had a negative trust before now from Godknows where and when they saw that the manager was accepting scammer promoters they jumped in it knowing that they have nothing to lose besides scam is not moderated on the forum, there are few accounts still promoting Adkinsbet without getting any restrictions or ban. Maybe restrict negative trust accounts from participating in bounties and sig campaigns.