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Where Is Current Research on Blockchain Technology?-A Systematic Review.

Jesse Yli-Huumo¹, Deokyoon Ko², Sujin Choi³

¹Dept. of Innovation and Software, Lappeenranta University of Technology, Lappeenranta, Finland.

|October 4, 2016

Summary

This study maps blockchain technology research, finding most work focuses on Bitcoin. Key technical challenges in privacy, security, and scalability remain underexplored, indicating future research needs.

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Area of Science:

Computer Science
Information Technology
Cybersecurity

Background:

Blockchain technology, initially developed for Bitcoin, offers decentralized security, anonymity, and data integrity.
Growing interest in Blockchain stems from its potential to revolutionize data management and transactions without third-party control.
Technical challenges and limitations present significant research opportunities in the Blockchain domain.

Purpose of the Study:

To systematically map and analyze existing research on Blockchain technology.
To identify current research topics, technical challenges, and future directions in Blockchain.
To provide a technical perspective on the state of Blockchain research.

Main Methods:

Conducted a systematic mapping study.
Extracted and analyzed 41 primary research papers from scientific databases.
Focused on technical aspects of Blockchain technology.

Main Results:

Over 80% of analyzed papers concentrate on the Bitcoin system.
Less than 20% of research addresses other Blockchain applications like smart contracts and licensing.
The majority of studies focus on improving Blockchain's privacy and security, often lacking rigorous evaluation.
Scalability challenges, including throughput and latency, are largely unstudied.

Conclusions:

Current Blockchain research is heavily skewed towards Bitcoin, with limited exploration of broader applications.
Significant gaps exist in the evaluation of proposed privacy and security solutions.
There is a critical need for more research into Blockchain scalability to address throughput and latency issues.