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A Decentralized Marketplace for Patient-Generated Health Data: Design Science Approach

A Decentralized Marketplace for Patient-Generated Health Data: Design Science Approach

Subramanian and Subramanian [31] described a digital pathology system using an interplanetary file system (IPFS) and Ethereum. We used a similar strategy for our design, except that we built a full marketplace based on smart contracts with user encryption of data, the IPFS to store the data, and the web3 interface to enable interactions between buyers and sellers. We reduced the transaction fees needed to operate a public blockchain infrastructure to a few cents on Ethereum version 2 (proof of stake) [28].

Hemang Subramanian

J Med Internet Res 2023;25:e42743

User Control of Personal mHealth Data Using a Mobile Blockchain App: Design Science Perspective

User Control of Personal mHealth Data Using a Mobile Blockchain App: Design Science Perspective

Sengupta and Subramanian [6] demonstrated the design and performance functionalities of 4 different blockchains by altering the software components. We present the architecture of such a system and illustrate the benefits of such an implementation in the following sections, which include high performance and tunability of parameters such as difficulty used in mining, especially when Io T devices and high throughput are required. Use case model showing all use cases and dependencies. m Health: mobile health.

Arijit Sengupta, Hemang Subramanian

JMIR Mhealth Uhealth 2022;10(1):e32104