A Cross-Chain Privacy Protection and Key Sharing Scheme Based on Relay Chain

Le résumé fourni par la source

Cross-chain technology has emerged to address the challenges of achieving asset and data interoperability between different blockchains. However, existing cross-chain schemes face issues related to transaction privacy leakage. Therefore, we propose a solution to solve the issues. First, we design a cross-chain model based on a relay chain for storing the information generated during the entire cross-chain process on the chain. Second, under this model, a privacy protection scheme and a relay chain key sharing scheme are proposed, employing cryptographic techniques to safeguard the privacy and security of transaction information and achieving an auditable function. Based on the above proposed schemes, a system model is designed. Finally, the proposed schemes and models are implemented, performance tests are conducted, and comparisons are made with other relay chain solutions with privacy protection capabilities, along with an analysis of security aspects. The experimental results showed that the proposed schemes and the system model are feasible.

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