This article explores how local diaspora governance recently has been transformed by extended use of information communication technology. Applying textual analysis of official documents, media, and qualitative interview data with ethnic Chinese association leaders, we argue that e-governance and Weixin chat groups in collaboration with Chinese association leaders in Europe have reshaped transnational space by potentially increasing overseas social control. Applying domestic methods of governance local officials in China seek close collaboration with overseas Chinese association leaders to extend their sovereignty practices to the extraterritorial level. By increasingly developing e-courts and e-police the local Chinese state has strengthened its access, collection, and integration of emigrants’ data. We argue that Chinese local diaspora governance should be conceptualised in the broader context of the rapidly growing digital development of China in which Weixin as an infrastructure plays a central role.