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Zero knowledge proof and ZK-SNARK for private blockchains

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Abstract

Comprehensive adoption of distributed ledger technology and blockchain in enterprises might disrupt financial and other sectors. At the same time, there are some barriers to rolling out the technology in practice. One of the significant issues concerns information security and privacy in the blockchain. Some methods for private transactions such as mixed networks, ring signatures, and off-chain protocols address certain data privacy issues, but do not provide the blockchain characteristics such as decentralized storing systems and immutability verification of private data. This article examines zero-knowledge proof (ZKP) methods for corporate blockchain networks. The article reviews existing methods for private transactions, observes the implementation of ZKP methods, and discusses performance and scalability issues.

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Acknowledgements

This work was supported by the Ministry of Science and Higher Education of the Russian Federation (state task Project No. FSWU-2023-0031).

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Authors and Affiliations

  1. Institute of Cyber Intelligence Systems, National Research Nuclear University (Moscow Engineering Physics Institute), Kashirskoye shosse 31, Moscow, Russia, 115409

    Anatoly Konkin & Sergey Zapechnikov

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  1. Anatoly Konkin
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  2. Sergey Zapechnikov
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Correspondence to Sergey Zapechnikov.

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Konkin, A., Zapechnikov, S. Zero knowledge proof and ZK-SNARK for private blockchains. J Comput Virol Hack Tech 19, 443–449 (2023). https://doi.org/10.1007/s11416-023-00466-1

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  • DOI: https://doi.org/10.1007/s11416-023-00466-1

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