publications | Oğuzhan Ersoy

2026

NeurIPS

Training-Free Dynamic Upcycling of Expert Language Models

Eros Fanı̀, and Oğuzhan Ersoy

In Advances in Neural Information Processing Systems (NeurIPS) 2026

Machine Learning Model Merging

@inproceedings{fani2026upcycling,
  title = {Training-Free Dynamic Upcycling of Expert Language Models},
  author = {Fan{\`\i}, Eros and Ersoy, O\u{g}uzhan},
  booktitle = {Advances in Neural Information Processing Systems ({NeurIPS})},
  year = {2026},
}

arXiv

OPEN-1B: A Fully Auditable Training Run

John Donaghy, Brian Wilcox, Oğuzhan Ersoy, Shikhar Rastogi, Adam St Arnaud, Alexey Titov, Jordan Greenberg, Ben Fielding, and Harry Grieve

arXiv preprint arXiv:2609.17380 2026

Machine Learning Verifiability Pre-Training

arXiv Bib

@article{donaghy2026open1b,
  title = {{OPEN-1B}: A Fully Auditable Training Run},
  author = {Donaghy, John and Wilcox, Brian and Ersoy, O\u{g}uzhan and Rastogi, Shikhar and St Arnaud, Adam and Titov, Alexey and Greenberg, Jordan and Fielding, Ben and Grieve, Harry},
  journal = {arXiv preprint arXiv:2609.17380},
  year = {2026},
}

ICML-W

The Role of Feedback Alignment in Self-Distillation

Semih Kara, and Oğuzhan Ersoy

In ICML Workshop on Reinforcement Learning from Human Feedback (RLxF) 2026

Machine Learning Post-Training

Bib

@inproceedings{kara2026feedback,
  title = {The Role of Feedback Alignment in Self-Distillation},
  author = {Kara, Semih and Ersoy, O\u{g}uzhan},
  booktitle = {{ICML} Workshop on Reinforcement Learning from Human Feedback ({RLxF})},
  year = {2026},
}

ICML-W

IR3DE: A Linear Router for Large Language Models

Eros Fanı̀, and Oğuzhan Ersoy

In ICML Workshop on Adaptive Foundation Models (AdaptFM) 2026

Machine Learning Decentralisation Inference

arXiv Bib Code

@inproceedings{fani2026ir3de,
  title = {{IR3DE}: A Linear Router for Large Language Models},
  author = {Fan{\`\i}, Eros and Ersoy, O\u{g}uzhan},
  booktitle = {{ICML} Workshop on Adaptive Foundation Models ({AdaptFM})},
  year = {2026},
}

ACL-F

Hail to the Thief: Exploring Attacks and Defenses in Decentralised GRPO

Nikolay Blagoev, Oğuzhan Ersoy, and Lydia Yiyu Chen

In Findings of the Association for Computational Linguistics: ACL 2026

Machine Learning Security and Privacy Decentralisation Post-Training

arXiv Bib

@inproceedings{blagoev2026grpo,
  title = {Hail to the Thief: Exploring Attacks and Defenses in Decentralised {GRPO}},
  author = {Blagoev, Nikolay and Ersoy, O\u{g}uzhan and Chen, Lydia Yiyu},
  booktitle = {Findings of the Association for Computational Linguistics: {ACL}},
  pages = {39130--39148},
  year = {2026},
}

ICML-W

F-TIS: Harnessing Diverse Models in Collaborative GRPO

Nikolay Blagoev, Oğuzhan Ersoy, Wendelin Böhmer, and Lydia Yiyu Chen

In ICML Workshop on Scaling Up Intelligence (SCALE) 2026

Machine Learning Decentralisation Post-Training

Bib

@inproceedings{blagoev2026ftis,
  title = {{F-TIS}: Harnessing Diverse Models in Collaborative {GRPO}},
  author = {Blagoev, Nikolay and Ersoy, O\u{g}uzhan and B{\"o}hmer, Wendelin and Chen, Lydia Yiyu},
  booktitle = {{ICML} Workshop on Scaling Up Intelligence ({SCALE})},
  year = {2026},
}

ICLR-W

Training-Free Dynamic Upcycling of Expert Language Models

Eros Fanı̀, and Oğuzhan Ersoy

In ICLR Workshop on Sparsity in LLMs (SPOT), earlier version 2026

Machine Learning Model Merging

arXiv Bib

@inproceedings{fani2026upcyclingws,
  title = {Training-Free Dynamic Upcycling of Expert Language Models},
  author = {Fan{\`\i}, Eros and Ersoy, O\u{g}uzhan},
  booktitle = {{ICLR} Workshop on Sparsity in {LLM}s ({SPOT}), earlier version},
  year = {2026},
}

ICLR-W

Backdoor Attacks on Decentralised Post-Training

Oğuzhan Ersoy, Nikolay Blagoev, Jona Lintelo, Stefanos Koffas, Marina Krček, and Stjepan Picek

In ICLR Workshop on Principled Design for Trustworthy AI 2026

Machine Learning Security and Privacy Decentralisation Post-Training

arXiv Bib

@inproceedings{ersoy2026backdoor,
  title = {Backdoor Attacks on Decentralised Post-Training},
  author = {Ersoy, O\u{g}uzhan and Blagoev, Nikolay and te Lintelo, Jona and Koffas, Stefanos and Kr{\v{c}}ek, Marina and Picek, Stjepan},
  booktitle = {{ICLR} Workshop on Principled Design for Trustworthy {AI}},
  year = {2026},
}

EuroMLSys

All is Not Lost: LLM Recovery without Checkpoints

Nikolay Blagoev, Oğuzhan Ersoy, and Lydia Yiyu Chen

In European Workshop on Machine Learning and Systems (EuroMLSys) 2026

Machine Learning Decentralisation Pre-Training

arXiv Bib

@inproceedings{blagoev2026recovery,
  title = {All is Not Lost: {LLM} Recovery without Checkpoints},
  author = {Blagoev, Nikolay and Ersoy, O\u{g}uzhan and Chen, Lydia Yiyu},
  booktitle = {European Workshop on Machine Learning and Systems ({EuroMLSys})},
  publisher = {{ACM}},
  year = {2026},
}

2025

arXiv

NoLoCo: No-all-reduce Low Communication Training Method for Large Models

Jari Kolehmainen, Nikolay Blagoev, Semih Kara, John Donaghy, Christopher Nies, and Oğuzhan Ersoy

arXiv preprint arXiv:2506.10911 2025

Machine Learning Decentralisation Pre-Training

arXiv Bib

@article{kolehmainen2025noloco,
  title = {{NoLoCo}: No-all-reduce Low Communication Training Method for Large Models},
  author = {Kolehmainen, Jari and Blagoev, Nikolay and Kara, Semih and Donaghy, John and Nies, Christopher and Ersoy, O\u{g}uzhan},
  journal = {arXiv preprint arXiv:2506.10911},
  year = {2025},
}

ICLR-W

HDEE: Heterogeneous Domain Expert Ensemble

Oğuzhan Ersoy, Jari Kolehmainen, and Gabriel Passamani Andrade

In ICLR Workshop on Modularity for Collaborative, Decentralized, and Continual Deep Learning (MCDC) 2025

Machine Learning Decentralisation Model Merging

arXiv Bib Code

@inproceedings{ersoy2025hdee,
  title = {{HDEE}: Heterogeneous Domain Expert Ensemble},
  author = {Ersoy, O\u{g}uzhan and Kolehmainen, Jari and Andrade, Gabriel Passamani},
  booktitle = {{ICLR} Workshop on Modularity for Collaborative, Decentralized, and Continual Deep Learning ({MCDC})},
  year = {2025},
}

arXiv

SkipPipe: Partial and Reordered Pipelining Framework for Training LLMs in Heterogeneous Networks

Nikolay Blagoev, Lydia Yiyu Chen, and Oğuzhan Ersoy

arXiv preprint arXiv:2502.19913 2025

Machine Learning Decentralisation Pre-Training

arXiv Bib Code

@article{blagoev2025skippipe,
  title = {{SkipPipe}: Partial and Reordered Pipelining Framework for Training {LLMs} in Heterogeneous Networks},
  author = {Blagoev, Nikolay and Chen, Lydia Yiyu and Ersoy, O\u{g}uzhan},
  journal = {arXiv preprint arXiv:2502.19913},
  year = {2025},
}

arXiv

Verde: Verification via Refereed Delegation for Machine Learning Programs

Arasu Arun, Adam St Arnaud, Alexey Titov, Brian Wilcox, Viktor Kolobaric, Marc Brinkmann, Oğuzhan Ersoy, Ben Fielding, and Joseph Bonneau

arXiv preprint arXiv:2502.19405 2025

Machine Learning Verifiability

arXiv Bib

@article{arun2025verde,
  title = {Verde: Verification via Refereed Delegation for Machine Learning Programs},
  author = {Arun, Arasu and St Arnaud, Adam and Titov, Alexey and Wilcox, Brian and Kolobaric, Viktor and Brinkmann, Marc and Ersoy, O\u{g}uzhan and Fielding, Ben and Bonneau, Joseph},
  journal = {arXiv preprint arXiv:2502.19405},
  year = {2025},
}

2024

DSN

Universal Soldier: Using Universal Adversarial Perturbations for Detecting Backdoor Attacks

Xiaoyun Xu, Oğuzhan Ersoy, Behrad Tajalli, and Stjepan Picek

In IEEE/IFIP International Conference on Dependable Systems and Networks (DSN) 2024

Machine Learning Security and Privacy

Bib DOI

@inproceedings{xu2024universal,
  title = {Universal Soldier: Using Universal Adversarial Perturbations for Detecting Backdoor Attacks},
  author = {Xu, Xiaoyun and Ersoy, O\u{g}uzhan and Tajalli, Behrad and Picek, Stjepan},
  booktitle = {{IEEE/IFIP} International Conference on Dependable Systems and Networks ({DSN})},
  publisher = {{IEEE}},
  year = {2024},
}

arXiv

Privacy-Preserving Aggregation for Decentralized Learning with Byzantine-Robustness

Ali Reza Ghavamipour, Benjamin Zi Hao Zhao, Oğuzhan Ersoy, and Fatih Turkmen

arXiv preprint arXiv:2404.17970 2024

Machine Learning Security and Privacy Decentralisation

arXiv Bib

@article{ghavamipour2024privacy,
  title = {Privacy-Preserving Aggregation for Decentralized Learning with {B}yzantine-Robustness},
  author = {Ghavamipour, Ali Reza and Zhao, Benjamin Zi Hao and Ersoy, O\u{g}uzhan and Turkmen, Fatih},
  journal = {arXiv preprint arXiv:2404.17970},
  year = {2024},
}

2023

EuroS&P

Watermarking Graph Neural Networks Based on Backdoor Attacks

Jing Xu, Stefanos Koffas, Oğuzhan Ersoy, and Stjepan Picek

In IEEE European Symposium on Security and Privacy (EuroS&P) 2023

Machine Learning Security and Privacy

Bib DOI

@inproceedings{xu2023watermarking,
  title = {Watermarking Graph Neural Networks Based on Backdoor Attacks},
  author = {Xu, Jing and Koffas, Stefanos and Ersoy, O\u{g}uzhan and Picek, Stjepan},
  booktitle = {{IEEE} European Symposium on Security and Privacy (EuroS{\&}P)},
  pages = {1179--1197},
  publisher = {{IEEE}},
  year = {2023},
}

AsiaCCS

A New Look at Blockchain Leader Election: Simple, Efficient, Sustainable and Post-Quantum

Muhammed F. Esgin, Oğuzhan Ersoy, Veronika Kuchta, Julian Loss, Amin Sakzad, Ron Steinfeld, Xiangyu Yang, and Raymond K. Zhao

In ACM Asia Conference on Computer and Communications Security (AsiaCCS) 2023

Blockchain Security and Privacy

Bib DOI

@inproceedings{esgin2023leader,
  title = {A New Look at Blockchain Leader Election: Simple, Efficient, Sustainable and Post-Quantum},
  author = {Esgin, Muhammed F. and Ersoy, O\u{g}uzhan and Kuchta, Veronika and Loss, Julian and Sakzad, Amin and Steinfeld, Ron and Yang, Xiangyu and Zhao, Raymond K.},
  booktitle = {{ACM} Asia Conference on Computer and Communications Security ({AsiaCCS})},
  publisher = {{ACM}},
  year = {2023},
}

SPW

On Feasibility of Server-Side Backdoor Attacks on Split Learning

Behrad Tajalli, Oğuzhan Ersoy, and Stjepan Picek

In IEEE Security and Privacy Workshops (SPW) 2023

Machine Learning Security and Privacy Decentralisation

Bib DOI

@inproceedings{tajalli2023splitlearning,
  title = {On Feasibility of Server-Side Backdoor Attacks on Split Learning},
  author = {Tajalli, Behrad and Ersoy, O\u{g}uzhan and Picek, Stjepan},
  booktitle = {{IEEE} Security and Privacy Workshops ({SPW})},
  pages = {84--93},
  publisher = {{IEEE}},
  year = {2023},
}

Extras and Premiums: Local PCN Routing with Redundancy and Fees

Yu Shen, Oğuzhan Ersoy, and Stefanie Roos

In Financial Cryptography and Data Security (FC) 2023

Blockchain Incentives

Bib DOI

@inproceedings{shen2023extras,
  title = {Extras and Premiums: Local {PCN} Routing with Redundancy and Fees},
  author = {Shen, Yu and Ersoy, O\u{g}uzhan and Roos, Stefanie},
  booktitle = {Financial Cryptography and Data Security ({FC})},
  pages = {110--127},
  publisher = {Springer},
  year = {2023},
}

S&P

BlindHub: Bitcoin-Compatible Privacy-Preserving Payment Channel Hubs Supporting Variable Amounts

Xianrui Qin, Shimin Pan, Arash Mirzaei, Zhimei Sui, Oğuzhan Ersoy, Amin Sakzad, Jiangshan Yu, Muhammed F. Esgin, Joseph K. Liu, and Tsz Hon Yuen

In IEEE Symposium on Security and Privacy 2023

Blockchain Security and Privacy

Bib DOI

@inproceedings{qin2023blindhub,
  title = {BlindHub: Bitcoin-Compatible Privacy-Preserving Payment Channel Hubs Supporting Variable Amounts},
  author = {Qin, Xianrui and Pan, Shimin and Mirzaei, Arash and Sui, Zhimei and Ersoy, O\u{g}uzhan and Sakzad, Amin and Yu, Jiangshan and Esgin, Muhammed F. and Liu, Joseph K. and Yuen, Tsz Hon},
  booktitle = {{IEEE} Symposium on Security and Privacy},
  pages = {},
  year = {2023},
}

Get Me out of This Payment! Bailout: An HTLC Re-routing Protocol

Oğuzhan Ersoy, Pedro Moreno-Sanchez, and Stefanie Roos

In Financial Cryptography and Data Security (FC) 2023

Blockchain Security and Privacy

Bib DOI

@inproceedings{ersoy2023bailout,
  title = {Get Me out of This Payment! Bailout: An {HTLC} Re-routing Protocol},
  author = {Ersoy, O\u{g}uzhan and Moreno-Sanchez, Pedro and Roos, Stefanie},
  booktitle = {Financial Cryptography and Data Security ({FC})},
  pages = {92--109},
  publisher = {Springer},
  year = {2023},
}

SaTML

Sniper Backdoor: Single Client Targeted Backdoor Attack in Federated Learning

Gorka Abad, Servio Paguada, Oğuzhan Ersoy, Stjepan Picek, Vı́ctor Julio Ramı́rez-Durán, and Aitor Urbieta

In IEEE Conference on Secure and Trustworthy Machine Learning (SaTML) 2023

Machine Learning Security and Privacy Decentralisation

Bib DOI

@inproceedings{abad2023sniper,
  title = {Sniper Backdoor: Single Client Targeted Backdoor Attack in Federated Learning},
  author = {Abad, Gorka and Paguada, Servio and Ersoy, O\u{g}uzhan and Picek, Stjepan and Ram{\'\i}rez-Dur{\'a}n, V{\'\i}ctor Julio and Urbieta, Aitor},
  booktitle = {{IEEE} Conference on Secure and Trustworthy Machine Learning ({SaTML})},
  pages = {},
  year = {2023},
}

arXiv

Sneaky Spikes: Uncovering Stealthy Backdoor Attacks in Spiking Neural Networks with Neuromorphic Data

Gorka Abad, Oğuzhan Ersoy, Stjepan Picek, and Aitor Urbieta

arXiv preprint arXiv:2302.06279 2023

Machine Learning Security and Privacy

arXiv Bib

@article{abad2023sneaky,
  title = {Sneaky Spikes: Uncovering Stealthy Backdoor Attacks in Spiking Neural Networks with Neuromorphic Data},
  author = {Abad, Gorka and Ersoy, O\u{g}uzhan and Picek, Stjepan and Urbieta, Aitor},
  journal = {arXiv preprint arXiv:2302.06279},
  year = {2023},
}

2022

CCS-P

Poster: Backdoor Attacks on Spiking NNs and Neuromorphic Datasets

Gorka Abad, Oğuzhan Ersoy, Stjepan Picek, Vı́ctor Julio Ramı́rez-Durán, and Aitor Urbieta

In Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications Security 2022

Machine Learning Security and Privacy

Bib

  title = {Poster: Backdoor Attacks on Spiking {NN}s and Neuromorphic Datasets},
  author = {Abad, Gorka and Ersoy, O\u{g}uzhan and Picek, Stjepan and Ram{\'\i}rez-Dur{\'a}n, V{\'\i}ctor Julio and Urbieta, Aitor},
  booktitle = {Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications Security},
  pages = {3315--3317},
  year = {2022},
}

AFT

SyncPCN/PSyncPCN: Payment Channel Networks without Blockchain Synchrony

Oğuzhan Ersoy, Jérémie Decouchant, Satwik Prabhu Kimble, and Stefanie Roos

In ACM Advances in Financial Technologies (AFT) 2022

Blockchain Security and Privacy

Bib DOI

@inproceedings{ersoy2022syncpcn,
  title = {SyncPCN/PSyncPCN: Payment Channel Networks without Blockchain Synchrony},
  author = {Ersoy, O\u{g}uzhan and Decouchant, J{\'e}r{\'e}mie and Kimble, Satwik Prabhu and Roos, Stefanie},
  booktitle = {{ACM} Advances in Financial Technologies ({AFT})},
  pages = {},
  year = {2022},
}

TBD

Feverless: Fast and Secure Vertical Federated Learning Based on XGBoost for Decentralized Labels

Rui Wang, Oğuzhan Ersoy, Hangyu Zhu, Yaochu Jin, and Kaitai Liang

IEEE Transactions on Big Data 2022

Machine Learning Security and Privacy Decentralisation

Bib DOI

@article{wang2022feverless,
  title = {Feverless: Fast and Secure Vertical Federated Learning Based on {XGBoost} for Decentralized Labels},
  author = {Wang, Rui and Ersoy, O\u{g}uzhan and Zhu, Hangyu and Jin, Yaochu and Liang, Kaitai},
  journal = {{IEEE} Transactions on Big Data},
  volume = {10},
  number = {6},
  pages = {1001--1015},
  year = {2022},
  publisher = {{IEEE}},
}

2021

Asiacrypt

Generalized Channels from Limited Blockchain Scripts and Adaptor Signatures

Lukas Aumayr, Oğuzhan Ersoy, Andreas Erwig, Sebastian Faust, Kristina Hostáková, Matteo Maffei, Pedro Moreno-Sanchez, and Siavash Riahi

In ASIACRYPT (2) 2021

Blockchain Security and Privacy

Bib DOI

@inproceedings{DBLP:journals/iacr/AumayrEEFHMMR20,
  author = {Aumayr, Lukas and Ersoy, O\u{g}uzhan and Erwig, Andreas and Faust, Sebastian and Host{\'{a}}kov{\'{a}}, Kristina and Maffei, Matteo and Moreno{-}Sanchez, Pedro and Riahi, Siavash},
  title = {Generalized Channels from Limited Blockchain Scripts and Adaptor Signatures},
  booktitle = {{ASIACRYPT} {(2)}},
  series = {Lecture Notes in Computer Science},
  volume = {13091},
  pages = {635--664},
  publisher = {Springer},
  year = {2021},
}

DAPPS

Practical Exchange for Unique Digital Goods

Oğuzhan Ersoy, Ziya Alper Genç, Zekeriya Erkin, and Mauro Conti

In DAPPS 2021

Blockchain Security and Privacy

Bib DOI

@inproceedings{fairexpaper,
  author = {Ersoy, O\u{g}uzhan and Gen{\c{c}}, Ziya Alper and Erkin, Zekeriya and Conti, Mauro},
  title = {Practical Exchange for Unique Digital Goods},
  booktitle = {{DAPPS}},
  pages = {49--58},
  publisher = {{IEEE}},
  year = {2021},
}

S&P

Bitcoin-Compatible Virtual Channels

Lukas Aumayr, Matteo Maffei, Oğuzhan Ersoy, Andreas Erwig, Sebastian Faust, Siavash Riahi, Kristina Hostáková, and Pedro Moreno-Sanchez

In IEEE Symposium on Security and Privacy 2021

Blockchain Security and Privacy

Bib DOI

@inproceedings{DBLP:journals/iacr/AumayrEEFHMMR20a,
  author = {Aumayr, Lukas and Maffei, Matteo and Ersoy, O\u{g}uzhan and Erwig, Andreas and Faust, Sebastian and Riahi, Siavash and Host{\'{a}}kov{\'{a}}, Kristina and Moreno{-}Sanchez, Pedro},
  title = {Bitcoin-Compatible Virtual Channels},
  booktitle = {{IEEE} Symposium on Security and Privacy},
  pages = {901--918},
  publisher = {{IEEE}},
  year = {2021},
}

2020

DAM

Homomorphic extensions of CRT-based secret sharing

Oğuzhan Ersoy, Thomas Brochmann Pedersen, and Emin Anarim

Discrete Applied Mathematics 2020

Cryptography

Bib DOI

@article{ersoy2020homomorphic,
  title = {Homomorphic extensions of {CRT}-based secret sharing},
  author = {Ersoy, O\u{g}uzhan and Pedersen, Thomas Brochmann and Anarim, Emin},
  journal = {Discrete Applied Mathematics},
  volume = {285},
  pages = {317--329},
  year = {2020},
  publisher = {Elsevier},
}

ESORICS

Post-Quantum Adaptor Signatures and Payment Channel Networks

Muhammed F. Esgin, Oğuzhan Ersoy, and Zekeriya Erkin

In ESORICS (2) 2020

Blockchain Security and Privacy

Bib DOI

@inproceedings{DBLP:conf/esorics/EsginEE20,
  author = {Esgin, Muhammed F. and Ersoy, O\u{g}uzhan and Erkin, Zekeriya},
  title = {Post-Quantum Adaptor Signatures and Payment Channel Networks},
  booktitle = {{ESORICS} {(2)}},
  series = {Lecture Notes in Computer Science},
  volume = {12309},
  pages = {378--397},
  publisher = {Springer},
  year = {2020},
}

How to Profit from Payments Channels

Oğuzhan Ersoy, Stefanie Roos, and Zekeriya Erkin

In Financial Cryptography 2020

Blockchain Incentives

Bib DOI

@inproceedings{DBLP:conf/fc/ErsoyRE20,
  author = {Ersoy, O\u{g}uzhan and Roos, Stefanie and Erkin, Zekeriya},
  title = {How to Profit from Payments Channels},
  booktitle = {Financial Cryptography},
  series = {Lecture Notes in Computer Science},
  volume = {12059},
  pages = {284--303},
  publisher = {Springer},
  year = {2020},
}

2019

IJISS

Multilevel Threshold Secret Sharing based on the Chinese Remainder Theorem

Oğuzhan Ersoy, Kamer Kaya, and Kerem Kaskaloglu

International Journal of Information Security Science 2019

Cryptography

Bib

@article{ersoy2019multilevel,
  title = {Multilevel Threshold Secret Sharing based on the Chinese Remainder Theorem},
  author = {Ersoy, O\u{g}uzhan and Kaya, Kamer and Kaskaloglu, Kerem},
  journal = {International Journal of Information Security Science},
  volume = {8},
  number = {2},
  pages = {17--29},
  year = {2019},
}

EuroS&PW

TULIP: A Fully Incentive Compatible Blockchain Framework Amortizing Redundant Communication

Oğuzhan Ersoy, Zekeriya Erkin, and Reginald L. Lagendijk

In EuroS&P Workshops 2019

Blockchain Incentives

Bib DOI

@inproceedings{DBLP:conf/eurosp/ErsoyEL19,
  author = {Ersoy, O\u{g}uzhan and Erkin, Zekeriya and Lagendijk, Reginald L.},
  title = {{TULIP:} {A} Fully Incentive Compatible Blockchain Framework Amortizing
  	Redundant Communication},
  booktitle = {EuroS{\&}P Workshops},
  pages = {396--405},
  publisher = {{IEEE}},
  year = {2019},
}

MARBLE

Decentralized Incentive-Compatible and Sybil-Proof Transaction Advertisement

Oğuzhan Ersoy, Zekeriya Erkin, and Reginald L. Lagendijk

In MARBLE 2019

Blockchain Incentives

Bib DOI

@inproceedings{DBLP:conf/marble/ErsoyEL19,
  author = {Ersoy, O\u{g}uzhan and Erkin, Zekeriya and Lagendijk, Reginald L.},
  title = {Decentralized Incentive-Compatible and Sybil-Proof Transaction Advertisement},
  booktitle = {{MARBLE}},
  pages = {151--165},
  publisher = {Springer},
  year = {2019},
}

SAC

DECOUPLES: a decentralized, unlinkable and privacy-preserving traceability system for the supply chain

Mourad el Maouchi, Oğuzhan Ersoy, and Zekeriya Erkin

In SAC 2019

Blockchain Security and Privacy

Bib

@inproceedings{DBLP:conf/sac/MaouchiEE19,
  author = {{el Maouchi}, Mourad and Ersoy, O\u{g}uzhan and Erkin, Zekeriya},
  title = {{DECOUPLES:} a decentralized, unlinkable and privacy-preserving traceability
  booktitle = {{SAC}},
  pages = {364--373},
  publisher = {{ACM}},
  year = {2019},
}

SAC

MUSCLE: authenticated external data retrieval from multiple sources for smart contracts

Bjorn van der Laan, Oğuzhan Ersoy, and Zekeriya Erkin

In SAC 2019

Blockchain Security and Privacy

Bib

@inproceedings{DBLP:conf/sac/LaanEE19,
  author = {{van der Laan}, Bjorn and Ersoy, O\u{g}uzhan and Erkin, Zekeriya},
  title = {{MUSCLE:} authenticated external data retrieval from multiple sources
  	for smart contracts},
  booktitle = {{SAC}},
  pages = {382--391},
  publisher = {{ACM}},
  year = {2019},
}

2018

CVCBT

Transaction Propagation on Permissionless Blockchains: Incentive and Routing Mechanisms

Oğuzhan Ersoy, Zhijie Ren, Zekeriya Erkin, and Reginald L. Lagendijk

In CVCBT 2018

Blockchain Incentives

Bib DOI

@inproceedings{DBLP:conf/cvcbt/ErsoyREL18,
  author = {Ersoy, O\u{g}uzhan and Ren, Zhijie and Erkin, Zekeriya and Lagendijk, Reginald L.},
  title = {Transaction Propagation on Permissionless Blockchains: Incentive and
  	Routing Mechanisms},
  booktitle = {{CVCBT}},
  pages = {20--30},
  publisher = {{IEEE}},
  year = {2018},
}

ERCIM-W

TRADE: A transparent, decentralized traceability system for the supply chain

Mourad el Maouchi, Oğuzhan Ersoy, and Zekeriya Erkin

In Proceedings of 1st ERCIM Blockchain Workshop 2018

Blockchain Security and Privacy

Bib

@inproceedings{el2018trade,
  author = {{el Maouchi}, Mourad and Ersoy, O\u{g}uzhan and Erkin, Zekeriya},
  booktitle = {Proceedings of 1st ERCIM Blockchain Workshop},
  year = {2018},
  organization = {European Society for Socially Embedded Technologies (EUSSET)},
}

2016

Asiacrypt

Universal Forgery and Key Recovery Attacks on ELmD Authenticated Encryption Algorithm

Asli Bay, Oğuzhan Ersoy, and Ferhat Karakoç

In ASIACRYPT (1) 2016

Cryptography

Bib DOI

@inproceedings{DBLP:conf/asiacrypt/BayEK16,
  author = {Bay, Asli and Ersoy, O\u{g}uzhan and Karako{\c{c}}, Ferhat},
  title = {Universal Forgery and Key Recovery Attacks on {ELmD} Authenticated Encryption
                 Algorithm},
  booktitle = {{ASIACRYPT} {(1)}},
  series = {Lecture Notes in Computer Science},
  volume = {10031},
  pages = {354--368},
  year = {2016},
}

SCN

A CRT-based verifiable secret sharing scheme secure against unbounded adversaries

Oğuzhan Ersoy, Thomas Brochmann Pedersen, Kamer Kaya, Ali Aydin Selçuk, and Emin Anarim

Security and Communication Networks 2016

Cryptography

Bib DOI

@article{DBLP:journals/scn/ErsoyPKSA16,
  author = {Ersoy, O\u{g}uzhan and Pedersen, Thomas Brochmann and Kaya, Kamer and Sel{\c{c}}uk, Ali Aydin and Anarim, Emin},
  title = {A {CRT}-based verifiable secret sharing scheme secure against unbounded
  	adversaries},
  journal = {Security and Communication Networks},
  volume = {9},
  number = {17},
  pages = {4416--4427},
  year = {2016},
}

LightSec

Impossible Differential Cryptanalysis of 16/18-Round Khudra

Ferhat Karakoç, Mut Sagdiçoglu, Mehmet Emin Gönen, and Oğuzhan Ersoy

In LightSec 2016

Cryptography

Bib DOI

@inproceedings{DBLP:conf/lightsec/KarakocSGE16,
  author = {Karako{\c{c}}, Ferhat and {\"{O}}znur Mut Sagdi{\c{c}}oglu and G{\"{o}}nen, Mehmet Emin and Ersoy, O\u{g}uzhan},
  title = {Impossible Differential Cryptanalysis of 16/18-Round Khudra},
  booktitle = {LightSec},
  series = {Lecture Notes in Computer Science},
  volume = {10098},
  pages = {33--44},
  publisher = {Springer},
  year = {2016},
}