Enhancing Medical Data Security Through Blockchain Smart Contract and Decentralized Application

Herman Herman; Rinday Zildjiani  Salji; Herman Yuliansyah

doi:10.59395/ijadis.v6i3.1387

Authors

Herman Herman Universitas Ahmad Dahlan Yogyakarta
Rinday Zildjiani Salji Universitas Ahmad Dahlan Yogyakarta
Herman Yuliansyah Universitas Ahmad Dahlan Yogyakarta

DOI:

https://doi.org/10.59395/ijadis.v6i3.1387

Keywords:

Blockchain , Medical Data , Off-chain , On-chain , Smart Contract

Abstract

This research studies implementation of decentralized applications (DApps) that are combined with blockchain technology and IPFS for storing patient medical data. The goal of this research is to increase the security, transparency, and access control of stored medical data to make sure only legitimate users can access the data. The proposed system uses smart contracts on the Ethereum network to handle user rights of access (doctors, patients, and admins) and ensure data integrity through the blockchain immutability feature. Patient medical records are retained in IPFS and traced using the Content Identifier (CID). Implementation outcome reveals that the system can safely process medical information, keeping patients in full control of their information, and restricting data access only to scheduled time. This system also shows the potential of blockchain and IPFS technology-based applications in achieving a more efficient health ecosystem focused on safeguarding people's data.

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