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Hmmm, it would be great to have an "official" answer to this; I was thinking using "blocktrades.us" too... Poloniex' STEEM/ SBD are under maintenance AS ALWAYS, and Bittrex has the most "picky" account verification process on the planet.

I am also leaving this link here for those who might find it useful..:

https://www.steem.center/index.php?title=Steem_Exchanges

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