The Application Model and Challenges of Blockchain Technology in Education
YANG Xianmin;LI Xin;WU Huanqing;ZHAO Keyun;
Blockchain technology is regarded as another disruptive technology after the cloud computing,Internet of things and big data, which is received high concern by the governments, financial institutions andtechnology enterprises. Essentially, blockchain technology is a kind of technical scheme to maintain a reliabledatabase by means of decentralization and high trust. Its core technologies include distributed accountingtechnology, asymmetric encryption algorithm and intelligent contract. Furthermore, it has the distinguishedcharacteristics such as decentralization, consensus mechanism, traceability and high trust. Nowadays, as theunderlying technology of bitcoin, blockchain technology is not only applied in the field of finance, but also has greatpotential in education. What's more, it is expected to play an important role in the construction of internet +education ecology to promote the reform of educational system. According to the experience and enlightenment fromthe application of blockchain in the financial field, the blockchain in education is mainly embodied in the sixapplication modes: establishing individual knowledge big data, creating intelligent educational platform of Taobao,developing degree certificate system, constructing new ecology of open education resources, achieving "self-organization" operation of network learning community and developing the decentralization of educationsystem. Obviously, due to the uniqueness and complexity in education, the blockchain technology application ineducation is also faced with many challenges, including the difficulty to operate in education application, theconfusion of educational data property, the limited data storage space and the security risks of teachers andstudents' privacy protection caused by blockchain technology itself.