Announcing the most efficient Bitcoin miner in the world. https://t.co/sWHghdti5J pic.twitter.com/tCFVp2tVfr

— Halong Mining (@HalongMining) November 22, 2017

So the #dragonsden cap is the same dragon that @halongmining is using. Intresting…. pic.twitter.com/LCGse7uijt

— Stephane (@StephBres) November 22, 2017