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Building a Secure Biomedical Data Sharing Decentralized App (DApp): Tutorial.

Matthew Johnson^1,2, Michael Jones^1,2, Mark Shervey^1,2

¹Center for Biomedical Blockchain Research, Icahn School of Medicine at Mount Sinai, Redwood City, CA, United States.

Journal of Medical Internet Research

|October 25, 2019

Summary

This summary is machine-generated.

This tutorial introduces decentralized applications (DApps) for biomedical research, offering a guide for developers to build secure, transparent, and verifiable health applications on blockchain technology.

Keywords:

DApp biomedical research blockchain decentralized application geolocation iOS mobile health privacy smart contract tutorial

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Area of Science:

Computer Science
Biomedical Informatics
Blockchain Technology

Background:

Decentralized applications (DApps) offer transparent, verifiable, and immutable execution of app logic on blockchain networks.
The unique properties of DApps are attractive to the biomedical and health care sectors.
A scarcity of instructional resources exists for biomedical software developers interested in building DApps.

Purpose of the Study:

To provide a comprehensive tutorial and working prototype for building DApps in biomedical research.
To address the need for guidance on developing blockchain-based applications with a focus on data privacy.
To equip biomedical software developers with the knowledge to build, maintain, and deploy DApps.

Main Methods:

Described the architecture of a DApp for biomedical research.
Detailed the implementation of a smart contract for secure data handling.
Presented a sample iPhone operating system (iOS) DApp interacting with the smart contract.
Outlined necessary development tools and libraries for DApp creation.

Main Results:

A complete working prototype of a DApp motivated by a real-world biomedical data privacy use case was developed.
The tutorial provides a clear roadmap for creating DApps on blockchain technology.
All necessary code for recreating the DApp is publicly available.

Conclusions:

This tutorial serves as a foundational resource for biomedical software developers to enter the DApp ecosystem.
The presented DApp prototype demonstrates the feasibility of secure and private data management in biomedical research using blockchain.
Further development and adoption of DApps can enhance transparency and verifiability in health care applications.