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probably same case as yours?
some newly-established account, a non-english speaking person's blog, without any posts. obviously for me, that person just signed up and playing with options, not in the know what he/she is doing. there were about half-dozen same persons as me there, suffering from downvotes. 'a new trend at Steemit'....

or someone is opening many sub-accounts to play with downvotes - I just have no idea what the purpose of this is.

someone mentioned, theres a 'downvote pool' of rewards -- that might be (the only) reason...