NasdaqBitcoin Mining Giant Bitmain Invests $1.6 Million in Shenzen-Based Bitcoin Trading Platform BitKanNasdaqBased in Shenzen, BitKan initially offered aggregated Bitcoin news and allowed traders to buy and sell coins using its partner exchanges BTCChina , Yunbi and Bter, but the company recently started offering over-the-counter (OTC) Bitcoin trading services.and more » > lees heel artikel