Paper certificates are difficult to carry, easy to lose, easy to forge and with other security issues, which were not solved until the emergence of blockchain technology. Blockchain technology uses one-way hash functions, asymmetric encryption, digital signatures, consensus mechanisms and smart contracts to achieve decentralization, non-tampering…

With the rapid development of information technology, various online education platforms support the sharing of digital educational resources. Because digital educational resources are simple to duplicate and disseminate quickly, there exists copyright infringement, which threatens the interests of copyright owners. In addition, the existing…