The U.S. government has blacklisted the AI chip venture of Bitmain’s co-founder, citing national security concerns. The company, which focuses on developing advanced AI chips, was accused of potentially aiding foreign military advancements. This move aligns with broader U.S. efforts to restrict China’s access to cutting-edge semiconductor technology. The blacklisting will bar the firm from accessing critical U.S. technologies, supply chains, and investments, posing significant challenges to its operations. While the company claims to focus on civilian applications, the U.S. remains cautious about dual-use technologies. This development underscores escalating tech tensions between the U.S. and China in the AI sector.