Enhancing Cloud-Based Healthcare Security With Quantum-Secure HealthChain: A Quantum Computing and Blockchain...

Area of Science:

• Cybersecurity
• Quantum Computing
• Health Informatics

Background:

• Cloud-based healthcare systems face increasing security challenges due to quantum computing threats and encryption vulnerabilities.
• Conventional security measures are insufficient against advanced quantum attacks.

Purpose of the Study:

• To introduce Quantum-Secure HealthChain, an architecture integrating blockchain and quantum computing for enhanced healthcare data security.
• To improve patient privacy, data integrity, and resilience against quantum hazards in cloud healthcare environments.

Main Methods:

• Implemented Quantum Key Distribution (QKD) for secure cryptographic key exchange.
• Utilized quantum-resistant encryption algorithms and blockchain for medical record security.
• Developed Quantum Biometric Authentication for robust access control.

Main Results:

• Demonstrated consistent encryption/decryption performance across various data sizes (1-100 MB) with minimal overhead.
• Achieved high throughput (105 transactions/sec) with low resource utilization (82% CPU, 210 MB memory).
• Confirmed resistance to quantum attacks, data corruption, and unauthorized access, with linear scalability.

Conclusions:

• Quantum-Secure HealthChain offers a novel, secure solution for cloud healthcare data management.
• The integration of blockchain and quantum computing provides robust authentication, secure key exchange, and quantum-resistant encryption.
• The platform is secure, scalable, and efficient, addressing future quantum computing risks in healthcare.