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At present, education-related corruption and illegal profit-making are frequent and incessant in China. The root is the problems in management of student status, including information dispersion, unsafe security, difficult verification, easy manipulation and counterfeiting. To a certain extent, it has been causing social impetuosity and confusion. Reconstructing the student status management system with block chain can effectively block up the loophole and eliminate the chaos. By using chain-splitting technology, we organize block chains according to administrative affiliation, learning stage and session; Student status chains and roster chains are constructed respectively to form a flexible hierarchical architecture; Active chains and inactive history chains will be handled skillfully. Thus, the running load and the amount of data stored in the block chain nodes do not accumulate over time. What’s more, security and privacy of information are protected by security mechanism and information encryption of block chain. Without changing administrative system and rules, we can comprehensively solve the problems of objectivity, integrity, safety, flexibility and availability of student status, and eliminate educational fraud as well as return to the essence of education. Then education can truly guide the healthy development of individuals, families, society and the country. Keywords—block chain; student status; school roll;

Building Reliable Student Status Management System with Block Chain