Abstract
The emerging blockchain technology has injected new vitality into the energy market, especially the peer-to-peer power trading of microgrid systems. However, with the increase of energy blockchain projects, the difficulty of data communication and value islands between blockchain networks have become open issues. Thus, in this paper, we propose a dynamic adaptive cross-chain trading mode for multi-microgrid joint operation. The novelty is to design a proof of credit threshold consensus mechanism to achieve effective information verification. This consensus mechanism can ensure the adaptive consistency of cross-chain information without changing the existing blockchain architecture of each system. At the same time, we design a corresponding key management interoperability protocol based on RSA algorithm and Chinese remainder theorem, which can realize data transfer and information consensus for cross-chain transactions. The theoretical analysis verifies that the cross-chain communication information is effective and the system is able to protect against the attack of malicious nodes. Finally, a cross-chain simulation experiment is established to analyze the operation efficiency. The result shows that this cross-chain trading takes place within seconds, which basically meets the response requirements for multi-microgrid joint operation.
Highlights
The process of electrification has been greatly developed, and a complete microgrid system has been established in many areas [1]
In the cross-chain power trading scenario, we proposed the proof of credit threshold (PoCT) consensus mechanism based on threshold signature scheme and credit evaluation
Threshold signature scheme is introduced in multi-microgrid cross-chain communication to carry out distributed key management, which can improve the security of power data transmission
Summary
The process of electrification has been greatly developed, and a complete microgrid system has been established in many areas [1]. According to the defect of existing technology, a dynamic adaptive cross-chain trading mode for multi-microgrid joint operation is proposed in this paper. This mode includes a novel cross-chain information verification consensus mechanism that can improve operational efficiency and an optimized key management interoperability protocol that can ensure privacy security. The main objectives and contributions of this paper are as follows: We propose a proof of credit threshold consensus mechanism for cross-chain communication to achieve effective information verification This consensus mechanism can ensure the adaptive consistency of cross-chain information without changing the existing blockchain architecture of each system.
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