Real-Time Patient Data Exchange with Blockchain-Backed Consent Layers

Sharing patient data safely and efficiently is still hard in the constantly changing world of digital healthcare because of worries about privacy, giving consent, and how different systems work together. This paper suggests using ChainMedX, which relies on blockchain technology to let patients, doctors, and other healthcare professionals exchange data in real time with dynamic consent consent management. ChainMedX uses permissions, smart contracts, and zero-knowledge proofs to let patients pick who can have access to their medical records, manage exactly what is shared, and specify the time period the sharing is needed, making sure those permissions cannot be altered. Being distributed across both cloud and edge servers, the patient-managed encrypted data vaults make active updates of medical records possible, complying with FHIR standards. Thanks to an AI-based consent suggestion module, patients receive useful advice that suits their needs and the current emergency situation. In addition, ChainMedX deals with urgent issues, such as fast access with easy ‘break-glass’ rules and complete tracking of every transaction, and makes it easier for healthcare services to interact with the wider health organization and verify insurance policies. According to the results, latency, security, and managing consent are all better in the new system than in systems that operate centrally or rely on blockchain. The research mentions that connecting blockchain, edge computing, and privacy-based cryptography can form a healthcare system that respects patient data privacy and makes healthcare cooperation speedy and secure. The goal of this framework is to help provide for data exchange between countries, while including new forms of digital health technology, all this aims to strengthen patient trust and the integrity of their medical data, along with providing better healthcare outcomes.

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