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Secure, scalable, and interoperable healthcare data exchange using layer-2 ZK-rollups, smart contracts, and IPFS.

Abhinav Raghav1, Aanjey Mani Tripathi1, Niyaz Ahmad Wani2

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Summary

This study enhances healthcare data transactions using blockchain and zk-Rollups, significantly improving security, reducing costs by 96%, and boosting efficiency. It enables secure, interoperable multi-chain healthcare systems.

Keywords:
ConsensusInteroperabilityLayered blockchainScalabilityTransaction costZK-Rollup

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Area of Science:

  • Health Informatics
  • Blockchain Technology
  • Cybersecurity

Background:

  • Healthcare data transactions are increasing, requiring enhanced security, transparency, and interoperability.
  • Current Layer1 blockchains face limitations in transaction throughput and latency for real-time healthcare applications.
  • Blockchain technology offers promise for secure and transparent healthcare data management.

Purpose of the Study:

  • To develop a blockchain-based framework for efficient and secure healthcare data transactions.
  • To address the limitations of Layer1 blockchains in throughput and latency for healthcare applications.
  • To integrate smart contracts, zero-knowledge proofs, and off-chain storage for improved healthcare data management.

Main Methods:

  • Adoption of established consensus mechanisms and a zk-Rollup verification workflow.
  • Specification of healthcare-oriented configurations for security, auditability, and throughput.
  • Integration of smart contracts, zero-knowledge proofs (ZKPs), and off-chain data storage.

Main Results:

  • Achieved significant improvements in transaction throughput and a 57% reduction in latency.
  • Reduced transaction costs by 96% in healthcare data transactions.
  • Integrated cross-chain identity validation and verifiable data provenance for secure multi-chain interoperability.

Conclusions:

  • The proposed system offers a highly efficient and secure solution for healthcare data transactions.
  • The integration of zk-Rollups, smart contracts, and ZKPs enhances security, efficiency, and reduces costs.
  • The framework enables secure interoperability across multi-chain healthcare systems, overcoming existing limitations.