Good news
STEEM/BTC https://www.poloniex.com/exchange#btc_steem
STEEM/ETH https://poloniex.com/exchange#eth_steem
SBD/BTC https://poloniex.com/exchange#btc_sbd
Based in the United States, Poloniex is a leading cryptocurrency exchange offering over 100 Bitcoin (BTC) markets available for trading. - https://poloniex.com
отличные новости!