Steem is another altcoin but it is interesting that others. Steem is the cryptocurrency that powers the social media platform Steemit. Steem can be traded for Bitcoins as like other crypto currencies. You earn steem by making posts at Steemit.io
So now you can do online shopping with your Steem, just at the time of ordering select Altcoins. We accept altcoin payments using ShapeShift Shifty button which is a great and powerful tool to accept Altcoin payments. So it is not just Steem you can pay through any altcoin which are available at ShapeShift.
So start shopping with Steem: https://shopawl.com