Trading volumes at China’s three largest bitcoin exchanges have plummeted after the PBOC put the virtual currency market under sharper scrutiny in a move that coincided with efforts to stem capital outflows.
China has been the world’s leading venue for bitcoin trading, with analytics site Bitcoinity estimating that the OkCoin, Huobi and BTCC exchanges account for more than 90% of the global bitcoin market.
Source: Seeking Alpha (10 Feb 2017)
