A Blockchain Consensus Mechanism for Educational Administration System

摘要

Applying the blockchain to the school's educational system can provide credible educational information and ensure the reliable recording and maintenance of student qulifications, grades and other information. The blockchain-based educational system has many nodes, and the fast and accurate blockchain consensus mechanism is the key to system implementation. To this end, this paper proposes an improved consensus mechanism of equity authorization proof for the educational system. The paper constructs the consensus framework of group-based educational system, refines the node state and gives the state transition mechanism. On this basis, the paper proposes a voting scheme based on credit reward and punishment to ensure the effectiveness of proxy node election and timly elimination of malicious proxy nodes. The simulation results show that the probability that the abnormal node becomes the proxy node again is reduced from 90% to 3%, and the number of voting rounds required for the abnormal node to be kicked out of the proxy node set is reduced from 3 rounds to 1 round, which can effectively guarantee the consensus efficiency and proxy node credibility, support the design and implementation of the educational system based on blockchain.