http://www.thefugroup.com/wp-content/uploads/2016/08/eth-vs-etc.png

So you are were holding some Ethereum before the Hardfork and network split? Whichever camp you are in team ETH or team ETC you can easily split them, send the proceeds to your wallet and an exchange, then convert them to STEEM :)

https://split.shapeshift.io/

Here is a more detailed explanation 

https://info.shapeshift.io/blog/2016/08/03/shapeshift-releases-ethereum-splitter-cleanly-separate-eth-and-etc

I can't see long term viability for ETC but I may be wrong as I have been many times in crypto guessing. Therefore I sold my small holding of ETC and powered up to STEEM via the shapeshit tool and Poloniex. 

http://www.thefugroup.com/wp-content/uploads/2016/08/power-up-from-ETC.png