Abstract
With the increasing complexity of blockchain network business requirements, there is a growing demand for interconnection mechanisms among different blockchains, leading to the emergence of cross-chain technology. This article discusses three mainstream cross-chain technologies: the notary mechanism, hash time lock, and side chain/relay mode, and highlights their limitations. In order to address issues such as low efficiency in relay chain reorganization and instability in cross-chain systems within the relay mode involving node turnover, this paper proposes a node trust-based cross-chain relay scheme. The scheme includes the construction of a trust model for blockchain nodes, the design of a weighted random election algorithm for relay nodes, and the development of a complete cross-chain transaction process. Simulation experiments are conducted to demonstrate the performance of the proposed scheme.
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Acknowledgement
This work is supported by the Key Research and Development Programs of Shaanxi under Grants 2021ZDLGY06-03 and the National Natural Science Foundation of China under Grant 62132013 and 61902292.
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Li, Y., Tuo, W., Hu, Q., Ma, L. (2024). A Novel Cross-Chain Relay Method Based on Node Trust Evaluation. In: Liu, J., Xu, L., Huang, X. (eds) Tools for Design, Implementation and Verification of Emerging Information Technologies. TridentCom 2023. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 523. Springer, Cham. https://doi.org/10.1007/978-3-031-51399-2_1
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