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It's @likwid! @liqwid either made that account to pick up accidents or is just a coincidence. (I paid out two posts, at 100%, to @liqwid instead of @likwid 😒 -- Don't want others making the same mistake)

Speaking of though, is there something wrong with using @likwid? SteemPeak actually has this as a built-in option for posts rewards, which I realised only after I already blundered doing it manually.

Well spotted, someone is trying to profit from others errors I think and no , nothing wrong at all in my opinion. They offer a professional service and are straight up.
I will inform them though of this other account.
Thanks again and well spotted!

Yeah that looks like the makings of some circular style voting. I didn't know of finex, these services are quite popular I seems.