I think I know what you have to do. What @schmidhappens stated...." I found Steem after getting into alt trading on Bittrex. I always wondered what this coin was because of the name. So for me, I find the trade simple. Just transfer SBD to Bittrex, sell to BTC, and transfer to Coinbase to cash out to fiat. Just remember, it's your money you earned".
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But easier said than done.