They just look like husband and wife to me. No proof they abused bounty campaigns or did I miss something?
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They are 99% of the time not husband and wife, brother and sister, father and son and going on.
Any way if you look at eth address you will get a lot of transaction between them his accounts. Also if you look at the post history, date of registration etc.
They post on the same order and on the same time on different threads.
So what? They're alts (maybe) and that's all it is. Many people have alts (look two posts above yours lol) and that's not against the rules. Did they cheat anyone or not ?