The thought of using ethereum might sound intimidating, but it could be rewarding. If the 'unstoppable world computer' develops according to plan, it could. A short and to the point explainer video on how to use Bitocin. According to the company's payments information page, US-based customers can now use bitcoin to add money to their accounts, which can. This is handy, perhaps, for miners who can buy kit with coin they have mined. Buying ether with another currency might take an extra step. Overstock's CEO Patrick Byrne is one of the most vocal supporters of bitcoin technology. How Can I Sell Bitcoin? Watch the video from Consensus What Can a Blockchain Do?