Yes, yobit is known for doing pumps and dumps in more public like they will email us about upcoming exchange operating pumps. Too transparent even with manipulations. I am not using them any more but I was participating into their signature campaign which was run by reputed manager Yahoo; otherwise I would not have trusted them even for signature campaign here on this forum.
yobit campaign actually paid by their developer team.so far i am using yobit there is not significant problem, eairlier many bounty hunter shouting this bounty camapign that manage by wrong person with bad aittude be scammed . sca but actually this is legit projet almost of 99%% holder get their rewardd.