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Abstract <p>Data transfer between organizations over untrusted public networks is associated with risks of data loss, corruption, and unauthorized access. To address this problem, we present a message broker prototype based on Hyperledger Fabric using a two-layer architecture: PBFT partitions for data transfer and Raft topics for system management. Only metadata is stored in the blockchain, while messages are placed in external storages. This approach provides higher fault tolerance and scalability compared to existing traditional and blockchain-based solutions.</p>

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Blockchain Message Broker: Secure Data Transfer with a Two-Layer Hyperledger Fabric Platform

  • 期刊论文

  • 发表日期：

    2026年7月20日

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  • G. V. Slepenkov,
  • V. V. Korkhov

摘要

Abstract

Data transfer between organizations over untrusted public networks is associated with risks of data loss, corruption, and unauthorized access. To address this problem, we present a message broker prototype based on Hyperledger Fabric using a two-layer architecture: PBFT partitions for data transfer and Raft topics for system management. Only metadata is stored in the blockchain, while messages are placed in external storages. This approach provides higher fault tolerance and scalability compared to existing traditional and blockchain-based solutions.