how to buy steem via bitcoin

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by the way this is the first time to buy steem so i decided to look for the history of steem for almost 1 month and current price is Steem price for today is $1.4554. It has a current circulating supply of 16.7 Million coins and a total volume exchanged of $8,394,270. So i decided to buy using my coins ph wallet with the amount .0006 btc and its worth 24 minutes ago received 3.320 STEEM from blocktrades.
register your account her @ https://blocktrades.us