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A secure healthcare data sharing scheme based on two-dimensional chaotic mapping and blockchain.

Zhigang Xu¹, Enda Zheng¹, Hongmu Han²

¹School of Computer Science, Hubei University of Technology, 28 Nanli Road, Wuhan, 430068, China.

Scientific Reports

|October 8, 2024

Summary

This study introduces a secure healthcare data sharing method using two-dimensional chaotic mapping and blockchain technology. The proposed system enhances medical data privacy and security, preventing unauthorized access and tampering.

Keywords:

Blockchain Medical data sharing Privacy Smart contracts Two-dimensional chaotic mapping

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Area of Science:

Computer Science
Information Security
Healthcare Informatics

Background:

Medical data sharing is vital for healthcare advancement but faces significant privacy and security challenges.
Centralized systems are vulnerable to unauthorized access, data tampering, and single points of failure.

Purpose of the Study:

To propose a novel healthcare data sharing scheme (2DCM-DS) enhancing data privacy and security.
To leverage two-dimensional chaotic mapping and blockchain for secure medical data exchange.

Main Methods:

Developed a new two-dimensional chaotic mapping with superior chaotic performance.
Designed a data encryption method using biometric audio information and chaotic mapping for verifiable data ownership.
Utilized blockchain technology and smart contracts to support the proposed data sharing scheme.

Main Results:

The 2DCM-DS effectively protects data security against specified attack models.
Experimental results validated the security and efficiency of the proposed scheme.
Demonstrated the system's potential for secure healthcare insurance data sharing.

Conclusions:

The 2DCM-DS offers a robust solution for secure and private medical data sharing.
The integration of chaotic mapping and blockchain addresses key vulnerabilities in traditional data sharing methods.
The scheme shows significant promise for real-world applications in the healthcare sector.