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SMPTC3: Secure Multi-Party Protocol Based Trusted Cross-Chain Contracts

Author

Listed:
  • Hanyu Mao

    (School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China)

  • Tiezheng Nie

    (School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China)

  • Minghe Yu

    (School of Software, Northeastern University, Shenyang 110169, China)

  • Xiaomei Dong

    (School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China)

  • Xiaohua Li

    (School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China)

  • Ge Yu

    (School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China)

Abstract

We propose an innovative approach called SMPTC 3 , designed specifically to enhance security and privacy in cross-chain transaction verification. This approach addresses multi-chain, multi-participant information exchange and large-scale cross-chain transfers, resisting various types of malicious attacks. We leverage the verifiability of cross-chain transactions based on smart contracts and innovatively transform transaction information into confidential sets, organizing them into quadratic secret polynomials. By utilizing secret sharing and random distribution techniques, we construct a secure multiparty computation method, tailored for cross-chain transactions. To enhance the efficiency of cross-chain transactions, we introduce cross-chain batch processing technology, grouping inter-chain transactions into cross-chain transaction sets. Unlike traditional distributed notary technologies, SMPTC 3 designates honest participants as a cross-chain notary group, reducing the time required for redundant signature confirmations and significantly lowering the possibility of malicious notaries. Theoretical analysis and empirical experiments demonstrate that SMPTC 3 is highly efficient in addressing cross-chain transaction security issues.

Suggested Citation

  • Hanyu Mao & Tiezheng Nie & Minghe Yu & Xiaomei Dong & Xiaohua Li & Ge Yu, 2024. "SMPTC3: Secure Multi-Party Protocol Based Trusted Cross-Chain Contracts," Mathematics, MDPI, vol. 12(16), pages 1-18, August.
    • Handle: RePEc:gam:jmathe:v:12:y:2024:i:16:p:2562-:d:1459425
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    Keywords

    blockchain; cross-chain; SMPTC 3;
    All these keywords.

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