The sites were also subject to restrictions from China’s largest social networks Weibo (similar to Twitter) and Zhihu (similar to Quora) All Chinese search networks, including the largest of them — Baidu and Sogou, have blocked the issuance of three cryptocurrency exchanges: Binance, Huobi, and OKEx. Colin Wu, a crypto-journalist from China, announced this on Twitter. According to him, the sites were also blocked by the Chinese social networks Weibo (analog of Twitter) and Zhihu (analog of Quora).