China si Ministry of Public Security azụlitewo a blockchain usoro iji ihe na ntukwasi-obi na-echekwa na-egosi anakọtara n'oge uwe ojii nnyocha. 
China si Ministry of Public Security azụlitewo a blockchain usoro iji ihe na ntukwasi-obi na-echekwa na-egosi anakọtara n'oge uwe ojii nnyocha. 