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A blockchain-based traceable and secure data-sharing scheme.

Zhenqi Wang1, Shaopeng Guan1

  • 1School of Information and Electronic Engineering, Shandong Technology and Business University, Yantai, Shandong, China.

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Summary
This summary is machine-generated.

This study introduces a blockchain-based system for secure data sharing, enhancing transparency and data security. The novel approach uses attribute encryption and InterPlanetary File System (IPFS) for robust data protection and real-time identity tracking.

Keywords:
BlockchainData sharingData trackingInter-Planetary File SystemSmart contracts

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Area of Science:

  • Computer Science
  • Information Security
  • Distributed Systems

Background:

  • Traditional centralized data-sharing models suffer from inadequate transaction transparency and data security vulnerabilities.
  • The need for secure, transparent, and traceable data-sharing mechanisms is critical in various domains.

Purpose of the Study:

  • To propose a novel blockchain-based scheme for secure and traceable data sharing.
  • To address the limitations of centralized data-sharing platforms by enhancing security and transparency.

Main Methods:

  • Developed an attribute encryption method for fine-grained data access control.
  • Implemented a hybrid on-chain and off-chain storage scheme using InterPlanetary File System (IPFS) for encrypted data and blockchain for hash values.
  • Integrated elliptic curve cryptography (ECC) for enhanced data security before hashing.
  • Designed a smart contract-based mechanism for visual, real-time tracking of data sharing activities.

Main Results:

  • The proposed scheme effectively secures data through attribute encryption and ECC.
  • Real-time tracking of data sharing parties' identities is achieved via the smart contract log.
  • The system demonstrates high data throughput while maintaining robust security.
  • Experimental results validate the effectiveness and efficiency of the blockchain-based data-sharing scheme.

Conclusions:

  • The blockchain-based scheme offers a significant improvement over traditional data-sharing models.
  • The integration of blockchain, IPFS, and advanced cryptography ensures secure, transparent, and auditable data sharing.
  • The system provides a scalable and efficient solution for traceable data sharing, meeting modern security demands.