• ZK-VDB: Zero-Knowledge Verifiable Data Badge System for Blockchain-based Secure and Privacy-Preserving Data-as-a-Services [Under Edition]

M. M. Merlec, S. K. Lee, N. K. Sinai, S. P. Hong, and H. P. In

IEEE Internet of Things Journal, vol. XX, No. X, 2025 [IF:8.9]

• ZK-Sandbox: Zero-Knowledge Data Sandbox System for Enhancing End-to-End Security and Privacy of Verifiable Credentials  [Under Review]

S. K. Lee, M. M. Merlec, N. K. Sinai, S. P. Hong, and H. P. In

IEEE Transactions on Security and Privacy, vol. XX, No. X, 2025

• ZK-CBDC: A Secure and Verifiable Zero-Knowledge Central Bank Digital Currency (Under Edition) 

Y. J. Kim, Merlec, M.M., and H. P. In

IEEE Transactions on Privacy, vol. XX, No. X, 2025 [IF:3.1]

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

Islam, M.M., Merlec, M.M., and In, H.P.

IEEE Trans. on Services Computing, 2025, pp. 1-14. [IF:5.5]

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

M. M. Merlec and H. P. In

IEEE Internet of Things Journal, vol. 11, no. 11, pp. 19866-19881, 1 June 1, 2024. [IF:10.6]

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

Merlec, M.M.; In, H.P. 

Sustainability 2024,  16(17), 7671; https://doi.org/10.3390/su16177671 [IF:3.3]

• DataMesh+: A Blockchain-Powered Peer-to-Peer Data Exchange Model for Self-Sovereign Data Marketplaces.

Merlec, M.M.; In, H.P.

Sensors 2024, 24(6), 1896. https://doi.org/10.3390/s24061896 [IF:3.4]

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

Merlec, Mpyana M., Md. M. Islam, Youn K. Lee, and Hoh P. In. 

Sensors 22. 3(2022): 1271. https://doi.org/10.3390/s22031271 [IF:3.4]

• A Smart Contract-Based Dynamic Consent Management System for Personal Data Usage under GDPR 

Merlec, Mpyana M., Youn K. Lee, Seng-Phil Hong, and Hoh P. In. 

Sensors 21.23 (2021): 7994. https://doi.org/10.3390/s21237994  [IF:3.4]

*co-first authors

A. International Conference

• PQCIF: Post-Quantum Cryptography Integration Framework for Securing Blockchain-enabled Internet of Medical Things [Accepted]

Yujin Lee, M. M. Merlec, J. W. Jung, Sami Souihi, and H. P. In 

2025 Intl. Conf. on Information and Communication Technology Convergence (ICTC), Jeju Island, South Korea, 2025, pp. xxx-xxx.  

• AgroChain+: A Secure, Decentralized, and Trustworthy Agricultural Product Traceability System Using Blockchain-Based Internet of Things [Under Edition]

T. K. Lionel, K. N. Jonathan, and M. M. Merlec [Paper| PPT |Github|Demo] 

2025 IEEE International Conference on Internet of Things and Intelligence Systems (IoTaIS), Bali, Indonesia, 2025, pp. xxx-xxx.  

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

M. M. Merlec, N. K. Sinai, S. P. Hong, and H. P. In [Paper| PPT |Demo]

2024 6th Intl. Conf. on Blockchain Computing And Applications (BCCA),  Dubai, UAE, Nov. 25-29, 2024.  

• Truckchain: A Blockchain-Powered IoT Real-Time Tracking System for Fuel Supply Chain Management

C. K. Amaury, K. N. Jonathan, and M. M. Merlec [Paper |PPT|Github]. 

PAN-African Artificial Intelligence and Smart Systems Conference (PA-AISS 2024), Durban, South Africa, 4—6 Dec. 2024. 

• A Secure and Performant Central Bank Digital Currency with Privacy-preserving Verifiability through Zero Knowledge Proof and Meaningful Transactions

Y. J. Kim, M. M. Merlec, and H. P. In

2024 Intl. Conf. on Blockchain and Artificial Intelligence Apps for Web 3.0 (ICOW3 2024),  Seoul, South Korea, Nov. 22-23, 2024. 

• Q-STOaaS: Post Quantum Blockchain-based Security Token Offering as a Service for Financial Personal Data Protection.

J. Hwang, M. M. Merlec, and H. P. In

2024 Intl. Conf. on Blockchain and Artificial Intelligence Apps for Web 3.0 (ICOW3 2024),  Seoul, South Korea, Nov. 22-23, 2024. 

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

M. M. Merlec, N. K. Sinai, and H. P. In  [Paper|PPT|Demo]

2023 14th International Conference on Information and Communication Technology Convergence (ICTC), Jeju Island, Korea, Republic of, 2023, pp. 675-680, doi: 10.1109/ICTC58733.2023.10393600. [26% Acceptance Rate]  

• Blockchain-powered Secure and Trustworthy Big Data Analytics and Storage Technologies

Merlec, Mpyana Mwamba [PPT] 

Korean Information Processing Society Conference Proceedings 30.2 (2023): 1-11.

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

Islam, M.M., Merlec, M.M., and In, H.P.

2022 IEEE International Conference on Services Computing (SCC). IEEE Computer Society, 2022, pp. 327-332. 

• SmartBuilder: A Block-based Visual Programming Framework for Smart Contract Development,

Merlec, M.M., Lee, Y. K., and In, H. P. [Paper|PPT|Demo|Presentation|Site]

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

• Towards Context-Aware Smart Contracts for Blockchain IoT Systems

Ngwira, L., Merlec, M.M.*, Lee, Y. K. & In, H. P. [Paper|PPT]  

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

*co-first authors

B. Domestic Conference

• Design of a Privacy-Preserving Blockchain System for Game Achievement Badge Verification in Play-to-Earn(P2E) Model [🏅Best Paper Award🏅]

H. S. Kim, M. M. Merlec, H. P. In, and S.-P. Hong

2nd Special Workshop on AI Applications (SWAA 2025), KSCG, Jeju, South Korea, Aug. 24-26, 2024. 

• 블록체인 기반 안전하고 신뢰할 수 있는 빅데이터 분석 및 저장 기술

Mpyana Mwamba Merlec [PPT] 

한국정보처리학회 학술대회논문집, vol. 30(2), 1-11 (2023).

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

Merlec, M.M. and H. P. In [Paper|PPT]

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

• Regulating Ethereum Account Authority Using Smart Contract

Daegeon Lee, Merlec M.M., Jaeyong Park, and Hoh Peter In

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

*co-first authors

• • A Smart Contract-enabled Dynamic Consent Management Scheme for GDPR Compliance, 

Merlec, Mpyana Mwamba

KERIS dCollection, Korea University, July 2022 - Doctoral Thesis [Paper|PPT]

Supervisor: Prof. Hoh Peter In

• • A Dynamic Resource Management and Task Migration System for Mobile Ad Hoc Computational Cloud

Merlec, Mpyana Mwamba

KERIS dCollection, Korea University, July 2017 - Master Thesis [Paper|PPT]

Supervisor: Prof. Myong-Soon Park

• • Implémentation d'un Intranet Collaboratif dans une Ese Multi-Sites: Sous la Plate-Forme SharePoint Fondation

Mwamba, Merlec Mpyana.

Éditions universitaires européennes, Fév. 2016 

ISBN: 978-3-8417-7822-2 [Book]

• • Implementation of a Collaborative Intranet in a Multisite Company on SharePoint Foundation 2010 platform 

(Case of Katanga Outsourcing Group)

Merlec, Mpyana Mwamba

University Protestant of Lubumbashi (UPL), July 2011 TFE (French version)

Supervisor: Prof. Saint-jean DJUNGU  | Co-Supervisor: Prof. Blaise FYAMA

• • Development of Distributed Applications on Windows Azure Cloud Computing Platform: A Survey

Merlec, Mpyana Mwamba

University Protestant of Lubumbashi (UPL),2008 TFC (French version)

Supervisor: Mr. Jean Jean-Pierre  KAYEMBE

※  International  (WO - PCT)

• Blockchain-based safe and reliable data transaction method, and data transaction platform providing system

H. P. In, and M.M. Merlec

WIPO (PCT), WO2022145679A1 (2022.07.07), Application: PCT/KR2021/015762 (2021.11.03). [PDF]

• Method for generating ricardian contract of blockchain based on formal specification, and recording medium and apparatus for performing same

H. P. In, H. Kim, S. Lee, M. M. Merlec

WIPO (PCT), WO2022108412A1 (2022.05.27), Application: PCT/KR2021/017207 (2021.01.29). [PDF]

※  Korea (Domestic)

• Automated GDPR Compliance Verification Model for Smart Contract-based Dynamic Consent Management System 

스마트 컨트랙트 기반 동적 동의 관리 시스템을 위한 자동 화된 GDPR 준수 검증 모델

H.P. In, M.M. Merlec, and Jeon On-Seong

Korean Patent, 1-2025-0251760-57 (2025.03.06), Application: 10-2025-0028581 (2025.03.06) [PDF].

• Time-Based Consent Withdrawal Mechanism for Smart Contract-based Dynamic Consent Management System 

스마트 컨트랙트 기반 동적 동의 관리 시스템을 위한 시간 기반 동의 철회 메커니즘 

H.P. In, M.M. Merlec, and Jeon On-Seong

Korean Patent, 1-2025-0251697-78 (2025.03.06), Application: 10-2025-0028573(2025-03-06) [PDF].

• Automated GDPR Compliance Verification Model for Smart Contract-based Dynamic Consent Management System 

데이터 주권 보장을 위한 스마트 컨트랙트 기반 동적 동의 관리 시스템

H.P. In, M.M. Merlec, and Jeon On-Seong

Korean Patent, 1-2025-0251559-86 (2025.03.06), Application: 10-2025-0028564 (2025-03-06) [PDF].

• PDaaS (Personal Data-as-a-Service) Management Server and PDaaS Platform System 

PDaaS  관리 서머 및 이를 포한하는 PDaaS 플랫폼 시스템

H.P. In and M.M. Merlec

Korean Patent, 1-2022-073043-6 (2024.xx.xx), Application: KRXXXXXXXXXX (2024.xx.xx) [PDF].

• System for portfolio management based on blockchain and blockchain-based portfolio management system integrated with recruitment platforms 

블록체인 기반 포트폴리오 관리 시스템 및 채용 플랫폼과 통합된 블록체인 기반 포트폴리오 관리 시스템

H.P. In and M.M. Merlec

Korean Patent, KR20230056362A (2023.06.05), Application: KR1020210140310A (2021.10.20) [PDF]

• Blockchain-based Secure and Trusted Data Trading Methods and Platform System 

블록체인 기반의 안전하고 신뢰 가능한 데이터 거래 방법 및 데이터 거래 플랫폼 제공 시스템)

H.P. In and M.M. Merlec

Korean Patent, KR102540415B1 (2023.06.05), Application: KR1020200188006A (2020-12-30) [PDF]

• Method for ricardian contract creation of blockchain based on formal specification, recording medium and device for performing the method 

정형명세를 기반으로 하는 블록체인의 리카르디안 컨트랙트 생성 방법, 이를 수행하기 위한 기록 매체 및 장치

H. P. In, H. Kim, S. Lee, M. M. Merlec

Korean Patent, KR20220071084A (2022-05-31), Application: KR1020210013438A (2021.01.29) [PDF]

• Consent Agreement Management Smart Contract (동적 동의 계약 관리 스마트 컨트랙트)

H.P. In, and M.M. Merlec

Korea Copyright Commission, C-2025-009094, 07.03.2025.

• Personal Data Management Smart Contract (개인 데이터 프로필 관리 스마트 계약)

H.P. In, and M.M. Merlec

Korea Copyright Commission,  C-2025-009095, 07.03.2025.

• User Profile Management Smart Contract (사용자 프로필 관리 스마트 컨트랙트)

H.P. In, and M.M. Merlec

Korea Copyright Commission,  C-2025-009096, 07.03.2025.

• Digital Asset Certification Manager (디지털자산 증명 매니저)

Korea Copyright Commission, C-2024-028736, 2024-08-19, DAO Solution Inc. (주식회사 다오솔루션)

• Role-Based Access Control for Digital Asset Management (디지털자산 역활기반접근제어)

Korea Copyright Commission, C-2024-028737, 2024-08-19, DAO Solution Inc. (주식회사 다오솔루션)

• Digital Asset Membership Manager (디지털자산 맴버십 매니저), 

Korea Copyright Commission, C-2024-028735, 2024-08-19, DAO Solution Inc. (주식회사 다오솔루션)

• Digital Asset Manager (디지털자산 매니저), 

Korea Copyright Commission, C-2024-028694, 2024-08-19, DAO Solution Inc. (주식회사 다오솔루션)

• Review Management Smart Contracts for Blockchain-based E-Portfolio Platforms 

블록체인 기반 전자 포트폴리오 플랫폼 관리 스마트 컨트랙트

H.P. In, M.M. Merlec, and Sinai N.  K.

Korea Copyright Commission, C-2023-049220, Nov. 11, 2023.

• Smart Contracts for Blockchain-based Data Trading (데이터 거래를 위한 블록체인 기반 스마트 컨트랙트)

H.P. In, and M.M. Merlec

Korea Copyright Commission, C-2021-050875, Nov. 25, 2021.

• Blockchain-based Portfolio Manager Web3j Java Program 

블록체인 기반 포트폴리오 매니저 Web3J 자바 프로그램

H.P. In, and M.M. Merlec

Korea Copyright Commission, C-2021-044196, Nov. 11, 2021.

• Blockchain-based Electronic portfolio record viewer (블록체인 기반 전자포트폴리오 기록 뷰어)

H.P. In, M.M. Merlec, and Islam MD Mainul,

Korea Copyright Commission, C-2021-041677, Oct. 10, 2021.

• Car Rental Business Network Archive (BNA) using Hyperledger Compose (차량 대여 BNA(비즈니스 네트워크 아카이브)

H.P. In, M.M. Merlec, H.S. Jeon, and S.H. Lee 

Korea Copyright Commission, C-2019-035539, Nov. 25, 2019.

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