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Poloniex is the biggest altcoin exchange. People transfer there coins there to trade into btc. If you ever make a bunch on a post you will need to know this to cash out.

Oh haha... I thought 'Poloniex' was a person lol. Kept wondering why they never post and how they're so rich. Well that's embarrassing.... Lol

Use
https://poloniex.com/
to convert your Steem to Dash...
https://www.dash.org/

Thanks hopefully I'll need that link soon lol

Funny thing to note 75 people follow them...
I wonder if they will ever publish on Steemit...
Like "hey everyone, we lost all our funds, can you guys up-vote us so you all can keep exchanging" LOL

I follow them. When I saw it I thought 'ew a whale!' Hahaha