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Publcations

1. International Journal

2025

Proof of Random Leader: A Fast and Manipulation-Resistant Proof-of-Authority Consensus Algorithm for Permissioned Blockchains Using Verifiable Random Function

Md Mainul Islam, Mpyana Mwamba Merlec, Hoh Peter In

IEEE Transactions on Services Computing, vol. xx, pp. xxxx-xxx, 2025.  DOI: 10.1109/TSC.2025.3536315.

2024

An Auditable, Privacy-Preserving, Transparent Unspent Transaction Output Model for Blockchain-Based Central Bank Digital Currency

Md Mainul Islam, Hoh Peter In

IEEE Open Journal of the Computer Society, vol. 5, pp. 671-683, 2024, DOI: 10.1109/OJCS.2024.3486193.

Blockchain-Based Decentralized Storage Systems for Sustainable Data Self-Sovereignty: A Comparative Study.

Mpyana Mwamba Merlec and Hoh Peter In

Sustainability 2024,  16(17), 7671; 

SC-CAAC: A Smart Contract-Based Context-Aware Access Control Scheme for Blockchain-Enabled IoT Systems

Mpyana Mwamba Merlec and Hoh Peter In

IEEE Internet of Things Journal, vol. 11, no. 11, pp. 19866-19881, 1 June 1, 2024. DOI: 10.1109/JIOT.2024.3371504

Q-RTOP: Quantum-Secure Random Transaction Ordering Protocol for Mitigating Maximal Extractable Value Attacks in Blockchains With a Priority Gas-Fee Policy

Nday Kabulo Sinai and Hoh Peter In

IEEE Access, vol. 12, pp. 10036-10046, 2024. DOI: 10.1109/ACCESS.2023.3270627

2023

Decentralized Global Copyright System Based on Consortium Blockchain with Proof of Authority

Md. Mainul Islam and Hoh Peter In

IEEE Access, 2023. DOI: 10.1109/ACCESS.2023.3270627

2022

A Privacy-Preserving Transparent Central Bank Digital Currency System Based on Consortium Blockchain and Unspent Transaction Outputs

Md. Mainul Islam and Hoh Peter In

IEEE Transactions on Services Computing, 2022. DOI: 10.1109/TSC.2022.3226120

B-GPS : Blockchain-based Global Positioning System for Improve Data Integrity and Reliability

Seunghyeon Lee, Hong-Woo Seok, Ki-rim Lee, Hoh Peter In

ISPRS International Journal of Geo-Information, Vol. 11(3), pp. 186, 2022.

A Consortium Blockchain-Based Secure and Trusted Electronic Portfolio Management Scheme 

Mpyana Mwamba Merlec, Md. Mainul Islam, Youn Kyu Lee, Hoh Peter In

Sensors, Vol. 22(3), pp. 1271, 2022.

2021

A Smart Contract-based Dynamic Consent Management System for Personal  Data Usage in Public Health Crisis

Mpyana Mwamba Merlec, Youn Kyu Lee, Seng Phil Hong, Hoh Peter In

Sensors, Vol. 21(23), pp. 7994, 2021.

Design of Military Service Framework for Enabling Migration to Military SaaS Cloud Environment

Sungrim Cho, Sunwoong Hwang, Woochang Shin, Neunghoe Kim, Hoh Peter In

Electronics, Vol. 10(5) , pp. 572, 2021. 01.

2020

Priority Determination to Apply Artificial Intelligence Technology in Military Intelligence Areas 

Sungrim Cho, Woochang Shin, Neunghoe Kim, Jongwook Jeong, Hoh Peter In

Electronics, Vol. 9(12) , pp. 2187, 2020. 12.

Topic Modeling Based Warning Prioritization from Change Sets of Software Repository

Jung-Been Lee, Taek Lee, Hoh Peter In

Journal of Computer Science and Technology, Vol. 35(6) , pp. 1461-1479, 2020. 11.

Investigating the Relationship Between Mutants and Real Faults with Respect to Mutated Code

Mingwan Kim, Neunghoe Kim, Hoh Peter In

International Journal of Software Engineering and Knowledge Engineering, Vol. 30(8) , pp. 1119-1137, 2020. 08.

GUI information-based interaction logging and visualization for asynchronous usability testing

Jongwook Jeong, NeungHoe Kim and Hoh Peter In 

Expert Systems with Applications, Vol. 151, pp. 113289, 2020. 08. 01.

Overlap-aware rapid type analysis for constructing one-to-one matched call graphs in regression test selection

Mingwan Kim, Jongwook Jeong, Neunghoe Kim and Hoh Peter In

IET Software, 2020. 03. 20.

Development of model based on clock gene expression of human hair follicle cells to estimate circadian time

Mingwan Kim, Jongwook Jeong, Neunghoe Kim and Hoh Peter In

Chronobiology International, Vol. 139 , pp. 1-9, 2020. 07. 12.

Detecting usability problems in mobile applications on the basis of dissimilarity in user behavior

JongWook Jeong, NeungHoe Kim and Hoh Peter In

International Journal of Human-Computer Studies, Vol. 139 , pp. 103264, 2020. 07. 01.

2019

Addendum to the Acknowledgements: Mood Prediction of Patients With Mood Disorders by Machine Learning Using Passive Digital Phenotypes Based on the Circadian Rhythm: Prospective Observational Cohort Study

Chul-Hyun Cho, Taek Lee, Min-Gwan Kim, Hoh Peter In, Leen Kim and Heon-Jeong Lee 

Journal of medical Internet research, Vol. 21, No. 10, pp. e15966

Mood prediction of patients with mood disorders by machine learning using passive digital phenotypes based on the circadian rhythm: prospective observational cohort study

Chul-Hyun Cho, Taek Lee, Min-Gwan Kim, Hoh Peter In, Leen Kim and Heon-Jeong Lee  

Journal of medical Internet research, Vol. 21, No. 4, pp. e11029

2018

Adaptive kinetic scrolling: kinetic scrolling for large datasets on mobile devices

Jongwook Jeong, Neunghoe Kim and Hoh Peter In 

Applied Sciences, Vol. 8, No. 11, pp. 2015

Measuring the Degree of Content Immersion in a Nonexperimental Environment Using a Portable EEG Device.

Nam-Ho Keum, Taek Lee, Jung-Been Lee and Hoh Peter In 

Journal of Information Processing Systems, Vol. 14, No. 4

2017

EURECA: End‐user requirements engineering with collaborative animation

Neunghoe Kim, Soojin Park, Dongwon Jeong, Mansoo Hwang, Sooyong Park and Hoh Peter In 

Software: Practice and Experience , Vol. 47, No. 7, pp. 1001 - 1002, 2017. 07.

2. International Conference

2024

PDaaS: A Personal Data-as-a-Service Platform using Permissioned Blockchain and IPFS

Mpyana Mwamba Merlec, Nday Kabulo Sinai, Seng-Phil Hong, Hoh Peter In 

2024 6th International Conference on Blockchain Computing and Applications (BCCA), IEEE, Dubai,
United Arab Emirates, 2024, pp. 597-604, doi: 10.1109/BCCA62388.2024.10844495.

2023

A Blockchain-based Trustworthy and Secure Review System for Decentralized e-Portfolio Platforms

Mpyana Mwamba Merlec, Nday Kabulo Sinai,  and Hoh Peter In 

2023 14th International Conference on Information and Communication Technology Convergence (ICTC), Jeju Island, Korea, Republic of, 2023.

2022

A Comparative Analysis of Proof-of-Authority Consensus Algorithms:  Aura vs Clique

Md Mainul Islam, Mpyana Mwamba Merlec, and Hoh Peter In 

IEEE International Conferernce on Services Computing (SCC), Barcelona, Spain, pp. 327-332, 2022.
[20% Acceptance Rate]

2021

SmartBuilder: A Block-Based Visual Programming Framework for Smart Contract Development

Mpyana Mwamba Merlec, Youn Kyu Lee, and Hoh Peter In 

IEEE International Conference on Blockchain (Blockchain21), Melbourne, Australia, pp. 90-94, 2021.
[14.5% Acceptance Rate] 

[PPT Slides] [Presentation] [Demo]

Towards Context-Aware Smart Contracts for Blockchain IoT Systems 

Ngwira Lovemore, Mpyana Mwamba Merlec, Youn Kyu Lee, and Hoh Peter In 

In 2021 International Conference on Information and Communication Technology Convergence (ICTC),
pp. 82-87. IEEE, 2021.

[PPT Slides

2020

GUI information-based interaction logging and visualization for asynchronous usability testing

Jongwook Jeong, NeungHoe Kim and Hoh Peter In 

Expert Systems with Applications, pp. 113289

3. Domestic Journal

2020

Addendum to the Acknowledgements: Mood Prediction of Patients With Mood Disorders by Machine Learning Using Passive Digital Phenotypes Based on the Circadian Rhythm: Prospective Observational Cohort Study

Chul-Hyun Cho, Taek Lee, Min-Gwan Kim, Hoh Peter In, Leen Kim and Heon-Jeong Lee

Journal of medical Internet research, Vol. 21, No. 10, pp. e15966

Mood prediction of patients with mood disorders by machine learning using passive digital phenotypes based on the circadian rhythm: prospective observational cohort study

Chul-Hyun Cho, Taek Lee, Min-Gwan Kim, Hoh Peter In, Leen Kim and Heon-Jeong Lee

Journal of medical Internet research, Vol. 21, No. 4, pp. e11029

4. Domestic Conference

2021

Blockchain Network for non-face-to-face Medical Service Environment of GDPR Focus,

Seunghyun Lee, and Hoh Peter In

2020 Korea Society of Blockchain Autumn Conference, 2020. 11. 20.

Journal of medical Internet research, Vol. 21, No. 10, pp. e15966

Chul-Hyun Cho, Taek Lee, Min-Gwan Kim, Hoh Peter In, Leen Kim and Heon-Jeong Lee

2020

Blockchain Network for non-face-to-face Medical Service Environment of GDPR Focus,

Seunghyun Lee, and Hoh Peter In

2020 Korea Society of Blockchain Autumn Conference, 2020. 11. 20.

Accessibility of Blockchain based Medical Information

Dongwon Lee, Mingwan Lee, and Hoh Peter In

​2020 Korea Society of Blockchain Autumn Conference, 2020. 11. 20.

2018

Regulating Ethereum Account Authority Using Smart Contract

Daegeon Lee, Mpyana Mwamba Merlec, Jaeyong Park and Hoh Peter In

2018 Korea Conference of Blockchain (KCBc), Nov. 16, 2018

Internet of Blockchains (IoB): Towards Scalability and Interoperability for Cross-chain Values Exchange

Mpyana Mwamba Merlec, and Hoh Peter In

2018 1st Korea Conference of Blockchain (KCBc), June 7, 2018, 35-38

5. Patent

2021
International Patent Registration
  • Mpyana Mwamba Merlec, and Hoh Peter In, "Blockchain-based Secure and Trusted Data Trading Methods and Platform System." PCT/KR2021/015762, No. 10-2020-0188006 (2021.11.03)

  • Mpyana Mwamba Merlec, Seunghyun Lee, Hyunwoo Kim, and Hoh Peter In, "A Method for Generating a Ricardian Contract of a blockchain based on a formal specification supported by recording medium", 10-2021-0013438, 2021. 01. 29. (PCT/KR2021/017207, 2021. 11. 23.)

Domestic Patent Registration
  • Mpyana Mwamba Merlec, and Hoh Peter In, "System for portfolio management based on blockchain and blockchain-based portfolio management system integrated with recruitment platforms." Korean Patent, No. 10-2021-0140310 (2021.10.20)

2020
Domestic Patent Registration
  • Mpyana Mwamba Merlec, and Hoh Peter In, "Blockchain-based Secure and Trusted Data Trading Methods and Platform System." Korean Patent, No. 10-2020-0188006 (2020.12.30)

  • Hoh Peter In and , Seunghyun Lee, "Blockchain-based Smart Contract Writing Device and Method for Legal Contracts", 2020.03.11.

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Professor/Head Director

Hoh Peter In (인호)

hoh_in@korea.ac.kr

Intelligent Blockchain Engineering Laboratory

Lab Leader | Jin Woo Jung (정진우)

kuntdari@korea.ac.kr | 02-3290-3206

 

Korea University Blockchain Institute

External Affairs & Research Divison | Director | Jace Choi (최지혁) jihyok007@korea.ac.kr | 02-3290-4139

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