Table 2 Blockchain and e-learning challenges.

References	Security	Student prediction system	Student records and scores	Intellectual property rights	Student privacy	Course sharing and credibility	Credential verification	Certificates	Evaluation security	E-learning assessment	User Interactivity	System interoperability	Online examination	Copyrights issues	Test result data storage	Results tampering	User authentication	Identity misuse	Huge students’ population
²⁵	×	×	√	√	√	√	√	√	×	×	×	×	×	×	×	×	×	×	×
²³	√	×	×	×	×	×	×	×	√	×	×	×	×	×	×	×	×	×	×
²⁶	×	×	×	×	×	×	×	√	×	√	×	×	×	×	×	×	×	×	×
²⁷	×	×	×	×	×	×	×	√	×	×	×	×	×	×	×	×	×	×	×
²⁸	√	×	×	×	×	×	×	×	×	×	√	√	×	×	×	×	×	×	×
²⁹	×	√	×	×	√	×	×	√	×	×	×	×	×	√	×	×	×	×	×
³⁰	×	×	√	×	×	×	×	×	×	×	×	×	√	×	×	×	×	×	×
³¹	×	×	√	×	×	×	×	√	×	×	×	×	×	×	×	×	×	×	×
³²	×	×	×	√	×	×	×	×	×	×	×	×	×	×	×	×	×	×	×
³³	×	×	√	√	×	×	√	√	×	×	×	×	×	×	×	×	×	×	×
³⁴	×	×	×	×	×	×	×	×	×	×	×	×	×	×	×	×	√	√	×
³⁵	√	×	×	×	×	×	×	√	×	×	×	×	×	×	×	×	√	×	×
³⁶	×	×	×	×	×	×	×	×	×	×	×	√	×	×	×	×	×	×	×
³⁷	×	×	√	×	×	×	×	√	×	√	×	×	×	×	×	√	×	×	√

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