• Klitos Christodoulou, Ph.D.

    Computer Scientist | Academic | Blockchain Researcher & Developer

In a nutshell...

In a nutshell...

Dr. Klitos Christodoulou is an accomplished academic and blockchain technical expert and architect. With a robust technical background, he expertly navigates the Web3 landscape through on-chain and off-chain blockchain Web services and decentralized applications (dApps).

He obtained his B.Sc. in Computer Science and M.Sc. in Advanced Computer Science, specializing in Advanced Applications, from the University of Manchester, UK. In 2014, he obtained his Ph.D. in Computer Science from the same institution. Academically, Dr. Christodoulou holds the position of Assistant Professor, where he leads cutting-edge Web3 projects and engages in a wide range of research  and teaching activities, contributing significantly to the advancement of blockchain technology and digital innovation.

His applied research prominently spans the domains of blockchain, the metaverse, and cryptocurrencies, underpinned by his profound knowledge and experience as a senior blockchain architect. His research work has accumulated over 1,000 citations, and he has significantly contributed to the field with a strong publication record in esteemed journals.

On the technical front, he has been developing projects using the Solidity programming language for smart contracts on the Ethereum Virtual Machine (EVM). His work covers a range of topics, including blockchain applications, NFTs, metaverse innovations, blockchain architectures and analytics, and decentralized finance (DeFi). He has also been leading AI projects aimed at optimizing organizational processes.

Beyond his technical expertise, Dr. Christodoulou is highly experienced in project management, skillfully leading and guiding research initiatives and technological projects in these cutting-edge areas.

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Publications

55 entries « ‹ 1 of 2 › »

2024

Papadaki, Maria; Themistocleous, Marinos; Marri, Khalid Al; Zarouni, Marwan Al

Information Systems - 19th European, Mediterranean, and Middle Eastern Conference, EMCIS 2022, Virtual Event, December 21-22, 2022, Proceedings Authors Book

Springer Nature, 2024.

BibTeX

Vlachos, Andreas; Iosif, Elias; Christodoulou, Klitos

Web Mining for Estimating Regulatory Blockchain Readiness Proceedings Article

In: Papadaki, Maria; Themistocleous, Marinos; Marri, Khalid Al; Zarouni, Marwan Al (Ed.): Information Systems, pp. 41–51, Springer Nature Switzerland, Cham, 2024, ISBN: 978-3-031-56478-9.

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Themistocleus, Marinos; Cunha, Paulo Rupino Da; Christodoulou, Klitos

Introduction to the Metaverse Minitrack Journal Article

In: Proceedings of the Annual Hawaii International Conference on System Sciences, pp. 6603–6604, 2024, ISSN: 1530-1605, (57th Annual Hawaii International Conference on System Sciences, HICSS 2024 ; Conference date: 03-01-2024 Through 06-01-2024).

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Araújo, André; Soares, Rendrikson; Santos, Waldsson

MonitorChain: An Extensible Tool for Real-Time Monitoring of Blockchain-Based Software Applications Journal Article

In: IEEE Access, 2024.

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2023

Themistocleus, Marinos; Cunha, Paulo Rupino Da; Christodoulou, Klitos

Introduction to Blockchain Cases and Innovations Journal Article

In: Proceedings of the Annual Hawaii International Conference on System Sciences, vol. 2023-January, pp. 5302, 2023, ISSN: 1530-1605, (56th Annual Hawaii International Conference on System Sciences, HICSS 2023 ; Conference date: 03-01-2023 Through 06-01-2023).

BibTeX

Papangelou, Stamatis; Christodoulou, Klitos; Themistocleous, Marinos

Decentralization of DAOs: A Fundamental Analysis Proceedings Article

In: European, Mediterranean, and Middle Eastern Conference on Information Systems, pp. 61–74, Springer 2023.

BibTeX

Papangelou, Stamatis; Christodoulou, Klitos; Michoulis, George

Exploring Decentralized Governance: A Framework Applied to Compound Finance Proceedings Article

In: Pardalos, Panos; Kotsireas, Ilias; Knottenbelt, William J.; Leonardos, Stefanos (Ed.): Mathematical Research for Blockchain Economy, pp. 152–168, Springer Nature Switzerland, Cham, 2023, ISBN: 978-3-031-48731-6.

BibTeX

Christodoulou, Klitos; Themistocleous, Marinos; Cunha, Paulo Da

Introduction to the Minitrack on Blockchain Cases and Innovations Proceedings Article

In: Bui, Tung X. (Ed.): 56th Hawaii International Conference on System Sciences, HICSS 2023, Maui, Hawaii, USA, January 3-6, 2023, pp. 5302, ScholarSpace, 2023.

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Papadaki, Maria; Cunha, Paulo Rupino; Themistocleous, Marinos; Christodoulou, Klitos (Ed.)

Information Systems - 19th European, Mediterranean, and Middle Eastern Conference, EMCIS 2022, Virtual Event, December 21-22, 2022, Proceedings Proceedings

Springer, vol. 464, 2023, ISBN: 978-3-031-30693-8.

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Zanardo, Enrico; Domiziani, Gian Pio; Iosif, Elias; Christodoulou, Klitos

Identification of Illicit Blockchain Transactions Using Hyperparameters Auto-tuning chapter

2023.

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2022

Iosif, Elias; Christodoulou, Klitos; Vlachos, Andreas

Computation of Blockchain Readiness Under Partial Information Proceedings Article

In: Themistocleous, Marinos; Papadaki, Maria (Ed.): Information Systems, pp. 87–101, Springer International Publishing, Cham, 2022, ISBN: 978-3-030-95947-0.

BibTeX

Christodoulou, Klitos; Katelaris, Leonidas; Themistocleous, Marinos; Christodoulou, Panayiotis; Iosif, Elias

NFTs and the metaverse revolution: research perspectives and open challenges chapter

2022.

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Touloupou, Marios; Christodoulou, Klitos; Inglezakis, Antonios; Iosif, Elias; Themistocleous, Marinos

Benchmarking Blockchains: The case of XRP Ledger and Beyond Proceedings Article

In: Proceedings of the 55th Hawaii International Conference on System Sciences, 2022.

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Touloupou, Marios; Themistocleous, Marinos; Iosif, Elias; Christodoulou, Klitos

A Systematic Literature Review Toward a Blockchain Benchmarking Framework Proceedings Article

In: pp. 70630-70644, 2022.

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Kapassa, Evgenia; Touloupou, Marios; Christodoulou, Klitos

A Blockchain Based Approach for Demand Response Management in Internet of Vehicles Proceedings Article

In: 2022 7th International Conference on Smart and Sustainable Technologies (SpliTech), pp. 1-6, 2022.

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Kapassa, Evgenia; Touloupou, Marios; Christodoulou, Klitos

A Blockchain Based Approach for Demand Response Management in Internet of Vehicles Proceedings Article

In: 2022 7th International Conference on Smart and Sustainable Technologies (SpliTech), pp. 1-6, 2022.

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2021

Iosif, Elias; Christodoulou, Klitos; Vlachos, Andreas

Web mining for estimating regulatory blockchain readiness Journal Article

In: arXiv preprint arXiv:2103.13235, 2021.

BibTeX

Evripidou, Salomi; Amanatiadis, Angelos; Christodoulou, Klitos; Chatzichristofis, Savvas A

Introducing Algorithmic Thinking and Sequencing Using Tangible Robots Journal Article

In: IEEE Transactions on Learning Technologies, vol. 14, no. 1, pp. 93–105, 2021.

BibTeX

Carayannis, Elias G; Christodoulou, Klitos; Christodoulou, Panayiotis; Chatzichristofis, Savvas A; Zinonos, Zinon

Known Unknowns in an Era of Technological and Viral Disruptions Implications for Theory, Policy, and Practice Journal Article

In: Journal of the Knowledge Economy, pp. 1–24, 2021.

BibTeX

Kapassa, Evgenia; Themistocleous, Marinos; Christodoulou, Klitos; Iosif, Elias

Blockchain Application in Internet of Vehicles: Challenges, Contributions and Current Limitations Journal Article

In: Future Internet, vol. 13, no. 12, pp. 313, 2021.

BibTeX

Touloupou, Marios; Christodoulou, Klitos; Inglezakis, Antonis; Iosif, Elias; Themistocleous, Marinos

Towards a Framework for Understanding the Performance of Blockchains Proceedings Article

In: 2021 3rd Conference on Blockchain Research Applications for Innovative Networks and Services (BRAINS), pp. 47-48, 2021.

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Kalafatelis, Alexandros; Panagos, Konstantinos; Giannopoulos, Anastasios E; Spantideas, Sotirios T; Kapsalis, Nikolaos C; Touloupou, Marios; Kapassa, Evgenia; Katelaris, Leonidas; Christodoulou, Panayiotis; Christodoulou, Klitos; others,

ISLAND: An Interlinked Semantically-Enriched Blockchain Data Framework Proceedings Article

In: International Conference on the Economics of Grids, Clouds, Systems, and Services, pp. 207–214, Springer 2021.

BibTeX

2020

Christodoulou, Klitos; Iosif, Elias; Inglezakis, Antonios; Themistocleous, Marinos

Crash Testing: Exploring Ripple’s Decentralization Degree in Adversarial Environments Journal Article

In: Future Internet, vol. 12, 2020.

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Christodoulou, K; Christodoulou, P; Zinonos, Z; Carayannis, E G; Chatzichristofis, S A

Health Information Exchange with Blockchain amid Covid-19-like Pandemics Proceedings Article

In: 2020 16th International Conference on Distributed Computing in Sensor Systems (DCOSS), pp. 412-417, 2020.

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Iosif, Elias; Christodoulou, Klitos; Touloupou, Marios; Inglezakis, Antonios

Leadership Uniformity in Raft Consensus Algorithm Proceedings Article

In: Information Systems, pp. 125–136, Springer International Publishing, Cham, 2020, ISBN: 978-3-030-63396-7.

BibTeX

Anastasiou, A; Christodoulou, P; Christodoulou, K; Vassiliou, V; Zinonos, Z

IoT Device Firmware Update over LoRa: The Blockchain Solution Proceedings Article

In: 2020 16th International Conference on Distributed Computing in Sensor Systems (DCOSS), pp. 404-411, 2020.

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Christodoulou, K; Christodoulou, P; Zinonos, Z; Carayannis, E G; Chatzichristofis, S A

Health Information Exchange with Blockchain amid Covid-19-like Pandemics Proceedings Article

In: 2020 16th International Conference on Distributed Computing in Sensor Systems (DCOSS), pp. 412-417, 2020.

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Christodoulou, P; Christodoulou, K

Developing more Reliable News Sources by utilizing the Blockchain technology to combat Fake News Proceedings Article

In: 2020 Second International Conference on Blockchain Computing and Applications (BCCA), pp. 135-139, 2020.

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Anastasiou, A; Christodoulou, P; Christodoulou, K; Vassiliou, V; Zinonos, Z

IoT Device Firmware Update over LoRa: The Blockchain Solution Proceedings Article

In: 2020 16th International Conference on Distributed Computing in Sensor Systems (DCOSS), pp. 404-411, 2020.

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Themistocleous, Marinos; Christodoulou, Klitos; Iosif, Elias; Soulla, Louca; Tseas, Demetrios

Blockchain in Academia: Where do we stand and where do we go? Proceedings Article

In: Proceedings of the 53rd Hawaii International Conference on System Sciences, HICSS 2020, HICSS, 2020.

Links | BibTeX

Christodoulou, Panayiotis; Christodoulou, Klitos

A Decentralized Voting Mechanism: Engaging ERC-20 token holders in decision-making Proceedings Article

In: Proceedings of the 7th International Conference on Software Defined Systems (SDS), IEEE, 2020.

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da Cunha, Paulo Rupino; Themistocleous, Marinos; Christodoulou, Klitos

Introduction to the Minitrack on Blockchain Cases and Innovations Proceedings Article

In: 53rd Hawaii International Conference on System Sciences, HICSS 2020, Maui, Hawaii, USA, January 7-10, 2020, pp. 1, ScholarSpace, 2020.

Links | BibTeX

Kaklamanis, Markos Marios; Filippakis, Michael; Touloupos, Marios; Christodoulou, Klitos

An Experimental Comparison of Machine Learning Classification Algorithms for Breast Cancer Diagnosis Proceedings Article

In: Information Systems, pp. 18–30, Springer International Publishing, Cham, 2020, ISBN: 978-3-030-44322-1.

Links | BibTeX

Touloupos, Marios; Kapassa, Evgenia; Kyriazis, Dimosthenis; Christodoulou, Klitos

Test Recommendation for Service Validation in 5G Networks Proceedings Article

In: Information Systems, pp. 139–150, Springer International Publishing, Cham, 2020, ISBN: 978-3-030-44322-1.

Links | BibTeX

2019

Vlachos, Andreas; Christodoulou, Klitos; Iosif, Elias

An Algorithmic Blockchain Readiness Index Journal Article

In: Proceedings, vol. 28, no. 1, pp. 4, 2019, ISSN: 2504-3900.

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Vassou, S A; Anagnostopoulos, N; Christodoulou, K; Amanatiadis, A; Chatzichristofis, S A

CoMo: a scale and rotation invariant compact composite moment-based descriptor for image retrieval Journal Article

In: Multimedia Tools and Applications, vol. 78, no. 3, pp. 2765–2788, 2019, ISSN: 1573-7721.

Links | BibTeX

Christodoulou, Klitos; Iosif, Elias; Louca, Soulla; Themistocleous, Marinos

Identity Discovery in Bitcoin Blockchain: Leveraging Transactions Metadata via Supervised Learning Proceedings Article

In: Proceedings of the 3rd International Conference on Vision, Image and Signal Processing, Association for Computing Machinery, Vancouver, BC, Canada, 2019, ISBN: 9781450376259.

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Christodoulou, Klitos; Makridakis, Spyros; Christodoulou, Klitos

Blockchain: Current Challenges and Future Prospects/Applications Journal Article

In: Future Internet, 2019.

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Christodoulou, Klitos; Chatzichristofis, Savvas A; Sirakoulis, Georgios Ch.; Christodoulou, Panayiotis

RandomBlocks: A Transparent, Verifiable Blockchain-based System for Random Numbers Journal Article

In: J. Cellular Automata, vol. 14, no. 5-6, pp. 335–349, 2019.

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Iakovidou, C; Anagnostopoulos, N; Lux, M; Christodoulou, K; Boutalis, Y; Chatzichristofis, S A

Composite description based on Salient Contours and Color information for CBIR tasks Journal Article

In: IEEE Transactions on Image Processing, pp. 1-1, 2019, ISSN: 1057-7149.

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Serrano, Fernando RS; Fernandes, Alvaro AA; Christodoulou, Klitos

An approach to quantify integration quality using feedback on mapping results Journal Article

In: International Journal of Web Information Systems, vol. 15, no. 1, pp. 47–70, 2019.

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2018

Mastorodimos, D; Chatzichristofis, S A; Jimoyiannis, A; Christodoulou, K

Making Sense of Fractions using E-learning Platforms - A Survey Proceedings Article

In: 2018 Innovations in Intelligent Systems and Applications (INISTA), pp. 1-6, 2018.

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Zinonos, Z; Vassiliou, V; Christodoulou, K

Reliable Mobility Support for e-Health Monitoring: A Performance Evaluation Proceedings Article

In: 2018 Innovations in Intelligent Systems and Applications (INISTA), pp. 1-6, 2018.

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Christodoulou, Klitos; Serrano, Fernando Rene Sanchez; Fernandes, Alvaro A A; Paton, Norman W

Quantifying and Propagating Uncertainty in Automated Linked Data Integration Journal Article

In: Transactions on Large-Scale Data- and Knowledge-Centered Systems XXXVII, pp. 81–112, 2018, ISBN: 978-3-662-57932-9.

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Christodoulou, Panayiotis; Christodoulou, Klitos; Andreou, Andreas S

A Decentralized Application for Logistics: Using Blockchain in Real-World Applications Journal Article

In: Cyprus Review - Journal of Social Sciences, vol. Vol. 30, no. 2, pp. 181–193, 2018.

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2017

Christodoulou, Panayiotis; Christodoulou, Klitos; Andreou, Andreas S

A Real-time Targeted Recommender System for Supermarkets Proceedings Article

In: ICEIS 2017 - Proceedings of the 19th International Conference on Enterprise Information Systems, Vol 2, Porto, Portugal, Apr. 26-29, 2017, pp. 703–712, 2017.

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Vassou, Sotiris A; Anagnostopoulos, Nektarios; Amanatiadis, Angelos; Christodoulou, Klitos; Chatzichristofis, Savvas A

CoMo: A Compact Composite Moment-Based Descriptor for Image Retrieval Proceedings Article

In: Proceedings of the 15th International Workshop on Content-Based Multimedia Indexing, CBMI 2017, Florence, Italy, June 19-21, 2017, pp. 30:1–30:5, 2017.

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Serrano, Fernando R S; Fernandes, Alvaro A A; Christodoulou, Klitos

Quantifying integration quality using feedback on mapping results Proceedings Article

In: Proceedings of the 19th International Conference on Information Integration and Web-based Applications & Services, iiWAS 2017, Salzburg, Austria, Dec. 4-6, 2017, pp. 3–12, 2017.

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2015

Christodoulou, Klitos; Paton, Norman W; Fernandes, Alvaro A A

Structure Inference for Linked Data Sources Using Clustering Journal Article

In: Trans. Large-Scale Data- and Knowledge-Centered Systems, vol. 19, pp. 1–25, 2015.

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Christodoulou, Klitos; Fernandes, Alvaro A A; Paton, Norman W

Combining Syntactic and Semantic Evidence for Improving Matching over Linked Data Sources Proceedings Article

In: Web Information Systems Engineering - WISE 2015 - 16th International Conference, Miami, FL, USA, Nov. 1-3, 2015, Proceedings, Part I, pp. 200–215, 2015.

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55 entries « ‹ 1 of 2 › »

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