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Thanks @blocktrades... I just can't figure out why coinbase can do it for a bitcoin, but isn't doing it for Steem yet. Maybe as a dedicated Steemian, I'm just over estimating the demand, or they already would have by now?

Coinbase is pretty conservative: they only opened up to trading Ether and Litecoin recently.

Thanks again for the info and sharing your expertise. And I sincerely apologize as well, as it had to seem that I was diminishing your work by bitching about what can't be done yet, anywhere. So sorry man. I signed/up opened an account on blocktrades.us but I don't know what to d with it from there. I'm just that crypto illiterate to date.