PAPAGEORGIOU Orestis

: 0000-0002-2245-5079

Main Referenced Co-authors

FRIDGEN, Gilbert (8)

BARBEREAU, Tom Josua (5)

SEDLMEIR, Johannes (3)

SMETHURST, Reilly (3)

DELGADO FERNANDEZ, Joaquin (2)

Main Referenced Keywords

Blockchain (3); cryptocurrency (2); Accounting (1); adversarial machine learning, graph neural networks, blockchain, Ethereum, fraud detection (1); Aggregator (1);

Main Referenced Unit & Research Centers

Interdisciplinary Centre for Security, Reliability and Trust (SnT) > FINATRAX - Digital Financial Services and Cross-organizational Digital Transformations (9)

NCER-FT - FinTech National Centre of Excellence in Research (5)

ULHPC - University of Luxembourg: High Performance Computing (2)

Interdisciplinary Centre for Security, Reliability and Trust (SnT) > Other (1)

Interdisciplinary Centre for Security, Reliability and Trust (SnT) > SerVal - Security, Reasoning & Validation (1)

Main Referenced Disciplines

Computer science (7)

Management information systems (4)

Engineering, computing & technology: Multidisciplinary, general & others (4)

Finance (2)

Electrical & electronics engineering (2)

Publications (total 14)

Search in publications

The most downloaded

1443 downloads

FRIDGEN, G., KRÄUSSL, R., PAPAGEORGIOU, O., & TUGNETTI, A. (2023). Pricing Dynamics and Herding Behavior of NFTs. ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/54548. https://hdl.handle.net/10993/54548

The most cited

52 citations (OpenAlex)

BARBEREAU, T. J., SMETHURST, R., PAPAGEORGIOU, O., SEDLMEIR, J., & FRIDGEN, G. (2023). Decentralised Finance's timocratic governance: The distribution and exercise of tokenised voting rights. Technology in Society, 73, 102251. doi:10.1016/j.techsoc.2023.102251 https://hdl.handle.net/10993/54911

FRANKART, F., SIMONETTO, T. J. A., CORDY, M., PAPAGEORGIOU, O., POCHER, N., & FRIDGEN, G. (2026). The Feature-Space Illusion: Exposing Practical Vulnerabilities in Blockchain GNN Fraud Detection. In Proceedings of 4th IEEE Conference on Secure and Trustworthy Machine Learning. Institute of Electrical and Electronics Engineers (IEEE).

https://hdl.handle.net/10993/68067

Peer reviewed

MESSERSCHMIDT, N., SARTIPI, A., ABBAS, A. E., PAPAGEORGIOU, O., TCHAPPI, I., & FRIDGEN, G. (2026). Why do Large Language Models Judge Differently than Humans? An Examination of Sentiment Analysis of Movie Reviews. In Proceedings of the 59th Hawaii International Conference on System Sciences (HICSS). Lahaina, United States - Hawaii: ScholarSpace.

https://hdl.handle.net/10993/66996

Peer reviewed

RUIZ IRUSTA, E., PAPAGEORGIOU, O., & PAVIĆ, I. (2026). User-Centric Flexibility Aggregation for the Manually Activated Reserve Initiative. ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/68688.

https://hdl.handle.net/10993/68688

RUIZ IRUSTA, E., & PAPAGEORGIOU, O. (2025). User-Centric Flexibility Aggregation for the Integrated European Balancing Markets. In User-Centric Flexibility Aggregation for the Integrated European Balancing Markets. IEEE. doi:10.1109/isgteurope64741.2025.11305348

https://hdl.handle.net/10993/67875

Peer reviewed

PAPAGEORGIOU, O. (2025). BLOCKCHAIN GOVERNANCE: PROMISES, MECHANISMS, AND BROKEN IDEALS [Doctoral thesis, Unilu - University of Luxembourg]. ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/64830

https://hdl.handle.net/10993/64830

PAPAGEORGIOU, O., Börtzler, L., ERMOLAEV, E., KUMARI, J., & SCHÖNRICH-SEDLMEIR, J. (07 January 2025). What Blocks My Blockchain’s Throughput? Developing a Generalizable Approach for Identifying Bottlenecks in Permissioned Blockchains [Paper presentation]. Proceedings of the 58th Hawaii International Conference on System Sciences (HICSS), Big Island, United States - Hawaii.

https://hdl.handle.net/10993/63520

Peer reviewed

FRIDGEN, G., Kräussl, R., PAPAGEORGIOU, O., & TUGNETTI, A. (2024). Pricing dynamics and herding behaviour of NFTs. European Financial Management. doi:10.1111/eufm.12506

https://hdl.handle.net/10993/62045

Peer Reviewed verified by ORBi

DELGADO FERNANDEZ, J., BARBEREAU, T. J., & PAPAGEORGIOU, O. (2024). Agent-based Model of Initial Token Allocations: Simulating Distributions post Fair Launch. ACM Transactions on Management Information Systems. doi:10.1145/3649318

https://hdl.handle.net/10993/60501

Peer reviewed

FRIDGEN, G., KRÄUSSL, R., PAPAGEORGIOU, O., & TUGNETTI, A. (2023). Pricing Dynamics and Herding Behavior of NFTs. ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/54548.

https://hdl.handle.net/10993/54548

https://hdl.handle.net/10993/54911

Peer Reviewed verified by ORBi

DELGADO FERNANDEZ, J., BARBEREAU, T. J., & PAPAGEORGIOU, O. (2022). Agent-based Model of Initial Token Allocations: Evaluating Wealth Concentration in Fair Launches. ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/51934. doi:10.48550/arXiv.2208.10271

https://hdl.handle.net/10993/51934

BARBEREAU, T. J., SMETHURST, R., PAPAGEORGIOU, O., SEDLMEIR, J., & FRIDGEN, G. (2022). Decentralised Finance's Unregulated Governance: Minority Rule in the Digital Wild West. ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/52647.

https://hdl.handle.net/10993/52647

BARBEREAU, T. J., SMETHURST, R., PAPAGEORGIOU, O., RIEGER, A., & FRIDGEN, G. (2022). DeFi, Not So Decentralized: The Measured Distribution of Voting Rights. In Proceedings of the Hawaii International Conference on System Sciences 2022 (pp. 10).

https://hdl.handle.net/10993/48726

Peer reviewed

PAPAGEORGIOU, O., Sedlmeir, J., FRIDGEN, G., Vlachos, I., Kostopoulos, N., Damvakeraki, T., Noszek, Z., Papoutsoglou, I., Anania, A., Belotti, M., Arribas, I., Cathcart, W., & Slapnik, T. (2021). Energy Efficiency of Blockchain Technologies. Brussels, Belgium: European Union Blockchain Observatory & Forum. https://orbilu.uni.lu/handle/10993/49463

https://hdl.handle.net/10993/49463