Making p2p accountable without losing privacy. - Mira Belenkiy; Melissa Chase; C. Christopher Erway; John Jannotti; Alptekin Küpçü; Anna Lysyanskaya; Eric Rachlin (WPES, 2007)

Brief announcement: impossibility results for optimistic fair exchange with multiple autonomous arbiters. - Alptekin Küpçü; Anna Lysyanskaya (PODC, 2009)

Optimistic Fair Exchange with Multiple Arbiters. - Alptekin Küpçü; Anna Lysyanskaya (IACR Cryptol. ePrint Arch., 2009)

Efficient Cryptography for the Next Generation Secure Cloud. - Alptekin Küpçü (2010)

Usable optimistic fair exchange. - Alptekin Küpçü; Anna Lysyanskaya (Comput. Networks, 2012)

Official Arbitration and its Application to Secure Cloud Storage. - Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2012)

ZKPDL: A Language-Based System for Efficient Zero-Knowledge Proofs and Electronic Cash. - Sarah Meiklejohn; C. Christopher Erway; Alptekin Küpçü; Theodora Hinkle; Anna Lysyanskaya (IACR Cryptol. ePrint Arch., 2012)

Energy Efficiency in Secure and Dynamic Cloud Storage. - Adilet Kachkeev; Ertem Esiner; Alptekin Küpçü; Öznur Özkasap (EE-LSDS, 2013)

Single password authentication. - Tolga Acar; Mira Belenkiy; Alptekin Küpçü (Comput. Networks, 2013)

Incentivizing Outsourced Computation. - Mira Belenkiy; Melissa Chase; C. Christopher Erway; John Jannotti; Alptekin Küpçü; Anna Lysyanskaya (IACR Cryptol. ePrint Arch., 2013)

Transparent, Distributed, and Replicated Dynamic Provable Data Possession. - Mohammad Etemad; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2013)

Distributing trusted third parties. - Alptekin Küpçü (SIGACT News, 2013)

Analysis and Optimization on FlexDPDP: A Practical Solution for Dynamic Provable Data Possession. - Ertem Esiner; Alptekin Küpçü; Öznur Özkasap (ICC, 2014)

Efficiently Making Secure Two-Party Computation Fair. - Handan Kilinç; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2014)

Locality Aware Skip Graph. - Yahya Hassanzadeh-Nazarabadi; Alptekin Küpçü; Öznur Özkasap (ICDCS Workshops, 2015)

Security and Privacy of Distributed Online Social Networks. - Sanaz Taheri Boshrooyeh; Alptekin Küpçü; Öznur Özkasap (ICDCS Workshops, 2015)

Official Arbitration with Secure Cloud Storage Application. - Alptekin Küpçü (Comput. J., 2015)

Database Outsourcing with Hierarchical Authenticated Data Structures. - Mohammad Etemad; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2015)

Efficient Key Authentication Service for Secure End-to-end Communications. - Mohammad Etemad; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2015)

Generic Efficient Dynamic Proofs of Retrievability. - Mohammad Etemad; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2015)

Fast Optimistically Fair Cut-and-Choose 2PC. - Alptekin Küpçü; Payman Mohassel (IACR Cryptol. ePrint Arch., 2015)

Dynamic Provable Data Possession. - C. Christopher Erway; Alptekin Küpçü; Charalampos Papamanthou; Roberto Tamassia (ACM Trans. Inf. Syst. Secur., 2015)

LARAS: Locality aware replication algorithm for the Skip Graph. - Yahya Hassanzadeh-Nazarabadi; Alptekin Küpçü; Öznur Özkasap (NOMS, 2016)

Awake: Decentralized and Availability Aware Replication for P2P Cloud Storage. - Yahya Hassanzadeh-Nazarabadi; Alptekin Küpçü; Öznur Özkasap (SmartCloud, 2016)

A Generic Dynamic Provable Data Possession Framework. - Mohammad Etemad; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2016)

FlexDPDP: Flexlist-Based Optimized Dynamic Provable Data Possession. - Ertem Esiner; Adilet Kachkeev; Samuel Braunfeld; Alptekin Küpçü; Öznur Özkasap (ACM Trans. Storage, 2016)

Inonymous: Anonymous Invitation-Based System. - Sanaz Taheri Boshrooyeh; Alptekin Küpçü (DPM/CBT@ESORICS, 2017)

Are You Really My Friend? Efficient and Secure Friend-Matching in Mobile Social Networks. - Mohammad Etemad; Filipe Beato; Alptekin Küpçü; Bart Preneel (EuroS&P Workshops, 2017)

Research issues for privacy and security of electronic health services. - Buket Yüksel; Alptekin Küpçü; Öznur Özkasap (Future Gener. Comput. Syst., 2017)

Dynamic Proofs of Retrievability Via Oblivious RAM. - David Cash; Alptekin Küpçü; Daniel Wichs (J. Cryptol., 2017)

Incentivized Outsourced Computation Resistant to Malicious Contractors. - Alptekin Küpçü (IEEE Trans. Dependable Secur. Comput., 2017)

DogFish: Decentralized Optimistic Game-theoretic FIle SHaring. - Seny Kamara; Alptekin Küpçü (ACNS, 2018)

Decentralized and locality aware replication method for DHT-based P2P storage systems. - Yahya Hassanzadeh-Nazarabadi; Alptekin Küpçü; Öznur Özkasap (Future Gener. Comput. Syst., 2018)

PPAD: Privacy Preserving Group-Based ADvertising in Online Social Networks. - Sanaz Taheri Boshrooyeh; Alptekin Küpçü; Öznur Özkasap (IACR Cryptol. ePrint Arch., 2018)

Distributed Single Password Protocol Framework. - Devris Isler; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2018)

Threshold Single Password Authentication. - Devris Isler; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2018)

User Study on Single Password Authentication. - Devris Isler; Alptekin Küpçü; Aykut Coskun (IACR Cryptol. ePrint Arch., 2018)

Verifiable database outsourcing supporting join. - Mohammad Etemad; Alptekin Küpçü (J. Netw. Comput. Appl., 2018)

Efficient Dynamic Searchable Encryption with Forward Privacy. - Mohammad Etemad; Alptekin Küpçü; Charalampos Papamanthou; David Evans 001 (Proc. Priv. Enhancing Technol., 2018)

User Perceptions of Security and Usability of Mobile-Based Single Password Authentication and Two-Factor Authentication. - Devris Isler; Alptekin Küpçü; Aykut Coskun (DPM/CBT@ESORICS, 2019)

Verifiable dynamic searchable encryption. - Mohammad Etemad; Alptekin Küpçü (Turkish J. Electr. Eng. Comput. Sci., 2019)

Versatile ABS: Usage Limited, Revocable, Threshold Traceable, Authority Hiding, Decentralized Attribute Based Signatures. - Osman Biçer; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2019)

Anonyma: Anonymous Invitation-Only Registration in Malicious Adversarial Model. - Sanaz Taheri Boshrooyeh; Alptekin Küpçü; Öznur Özkasap (IACR Cryptol. ePrint Arch., 2019)

Integrita: Protecting View-Consistency in Online Social Network with Federated Servers. - Sanaz Taheri Boshrooyeh; Alptekin Küpçü; Öznur Özkasap (IACR Cryptol. ePrint Arch., 2019)

LightChain: A DHT-based Blockchain for Resource Constrained Environments. - Yahya Hassanzadeh-Nazarabadi; Alptekin Küpçü; Öznur Özkasap (IACR Cryptol. ePrint Arch., 2019)

Understanding Game-Based Privacy Proofs for Energy Consumption Aggregation Protocols. - Andreas Unterweger; Sanaz Taheri Boshrooyeh; Günther Eibl; Fabian Knirsch; Alptekin Küpçü; Dominik Engel (IEEE Trans. Smart Grid, 2019)

SkipSim: Scalable Skip Graph Simulator. - Yahya Hassanzadeh-Nazarabadi; Ali Utkan Sahin; Öznur Özkasap; Alptekin Küpçü (IEEE ICBC, 2020)

A containerized proof-of-concept implementation of LightChain system. - Yahya Hassanzadeh-Nazarabadi; Nazir Nayal; Shadi Sameh Hamdan; Öznur Özkasap; Alptekin Küpçü (IEEE ICBC, 2020)

Demo: Skip Graph Middleware Implementation. - Yahya Hassanzadeh-Nazarabadi; Nazir Nayal; Shadi Sameh Hamdan; Ali Utkan Sahin; Öznur Özkasap; Alptekin Küpçü (SRDS, 2020)

Improving PKI, BGP, and DNS Using Blockchain: A Systematic Review. - Faizan Safdar Ali; Alptekin Küpçü (CoRR, 2020)

BlockSim-Net: A Network Based Blockchain Simulator. - Nandini Agrawal; R. Prashanthi; Osman Biçer; Alptekin Küpçü (CoRR, 2020)

FORTIS: FORgeable TImeStamps Thwart Selfish Mining. - Osman Biçer; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2020)

Moderated Redactable Blockchains: A Definitional Framework with an Efficient Construct. - Mohammad Sadeq Dousti; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2020)

Linear Complexity Private Set Intersection for Secure Two-Party Protocols. - Ferhat Karakoç; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2020)

Anonymous, Attribute Based, Decentralized, Secure, and Fair e-Donation. - Osman Biçer; Alptekin Küpçü (Proc. Priv. Enhancing Technol., 2020)

Privado: Privacy-preserving Group-based Advertising Using Multiple Independent Social Network Providers. - Sanaz Taheri Boshrooyeh; Alptekin Küpçü; Öznur Özkasap (ACM Trans. Priv. Secur., 2020)

Decentralized Utility- and Locality-Aware Replication for Heterogeneous DHT-Based P2P Cloud Storage Systems. - Yahya Hassanzadeh-Nazarabadi; Alptekin Küpçü; Öznur Özkasap (IEEE Trans. Parallel Distributed Syst., 2020)

Coin-Based Multi-party Fair Exchange. - Handan Kilinç Alper; Alptekin Küpçü (ACNS (1), 2021)

AggFT: Low-Cost Fault-Tolerant Smart Meter Aggregation with Proven Termination and Privacy. - Günther Eibl; Sanaz Taheri Boshrooyeh; Alptekin Küpçü (CoRR, 2021)

Generic Dynamic Data Outsourcing Framework for Integrity Verification. - Mohammad Etemad; Alptekin Küpçü (ACM Comput. Surv., 2021)

m-Stability: Threshold Security Meets Transferable Utility. - Osman Biçer; Burcu Yildiz; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2021)

UnSplit: Data-Oblivious Model Inversion, Model Stealing, and Label Inference Attacks Against Split Learning. - Ege Erdogan; Alptekin Küpçü; A. Ercüment Çiçek (IACR Cryptol. ePrint Arch., 2021)

SplitGuard: Detecting and Mitigating Training-Hijacking Attacks in Split Learning. - Ege Erdogan; Alptekin Küpçü; A. Ercüment Çiçek (IACR Cryptol. ePrint Arch., 2021)

Smart Contracts for Incentivized Outsourcing of Computation. - Alptekin Küpçü; Reihaneh Safavi-Naini (IACR Cryptol. ePrint Arch., 2021)

Interlaced: Fully decentralized churn stabilization for Skip Graph-based DHTs. - Yahya Hassanzadeh-Nazarabadi; Alptekin Küpçü; Öznur Özkasap (J. Parallel Distributed Comput., 2021)

LightChain: Scalable DHT-Based Blockchain. - Yahya Hassanzadeh-Nazarabadi; Alptekin Küpçü; Öznur Özkasap (IEEE Trans. Parallel Distributed Syst., 2021)

A Post-Quantum Four-Party Outsourced Authentication. - Reza Ghasemi; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2022)

Optimally Efficient Multi-party Fair Exchange and Fair Secure Multi-party Computation. - Handan Kilinç Alper; Alptekin Küpçü (ACM Trans. Priv. Secur., 2022)

Tri-op redactable blockchains with block modification, removal, and insertion. - Mohammad Sadeq Dousti; Alptekin Küpçü (Turkish J. Electr. Eng. Comput. Sci., 2022)

BlockSim-Net: a network-based blockchain simulator. - Prashanthi Ramachandran; Nandini Agrawal; Osman Biçer; Alptekin Küpçü (Turkish J. Electr. Eng. Comput. Sci., 2022)

Defense Mechanisms Against Training-Hijacking Attacks in Split Learning. - Ege Erdogan; Unat Teksen; Mehmet Salih Celiktenyildiz; Alptekin Küpçü; A. Ercüment Çiçek (CoRR, 2023)

Enabling Two-Party Secure Computation on Set Intersection. - Ferhat Karakoç; Alptekin Küpçü (IACR Cryptol. ePrint Arch., 2023)

An ECC processor for IoT using Edwards curves and DFT modular multiplication. - Osama Daifallah Al-Khaleel; Selçuk Baktir; Alptekin Küpçü (Clust. Comput., 2023)

FORTIS: Selfish Mining Mitigation by (FOR)geable (TI)me(S)tamps. - Osman Biçer; Alptekin Küpçü (Distributed Ledger Technol. Res. Pract., 2023)

SplitOut: Out-of-the-Box Training-Hijacking Detection in Split Learning via Outlier Detection. - Ege Erdogan; Unat Teksen; Mehmet Salih Celiktenyildiz; Alptekin Küpçü; A. Ercüment Çiçek (CANS (2), 2024)

Fault Tolerant and Malicious Secure Federated Learning. - Ferhat Karakoç; Alptekin Küpçü; Melek Önen (CANS (2), 2024)

Gamu Blue: A Practical Tool for Game Theory Security Equilibria. - Ameer Taweel; Burcu Yildiz; Alptekin Küpçü (NOMS, 2024)

Extractive Summarization Data Sets Generated with Measurable Analyses. - Irem Demir; Emel Küpçü; Alptekin Küpçü (SIU, 2024)

Efficient ECC Processor Designs for IoT Using Edwards Curves and Exploiting FPGA Embedded Components. - Osama Daifallah Al-Khaleel; Selçuk Baktir; Mohammad Al-Khaleel; Alptekin Küpçü (IEEE Access, 2024)

Aggressive or Imperceptible, or Both: Network Pruning Assisted Hybrid Byzantines in Federated Learning. - Emre Ozfatura; Kerem Ozfatura; Alptekin Küpçü; Deniz Gündüz (CoRR, 2024)

CURE: Privacy-Preserving Split Learning Done Right. - Halil Ibrahim Kanpak; Aqsa Shabbir; Esra Genç; Alptekin Küpçü; Sinem Sav (CoRR, 2024)

Byzantines Can Also Learn From History: Fall of Centered Clipping in Federated Learning. - Kerem Ozfatura; Emre Ozfatura; Alptekin Küpçü; Deniz Gündüz (IEEE Trans. Inf. Forensics Secur., 2024)

Integrita: A BFT distributed storage system. - Sanaz Taheri Boshrooyeh; Alptekin Küpçü; Öznur Özkasap (Future Gener. Comput. Syst., 2025)

A Taxonomy of Attacks and Defenses in Split Learning. - Aqsa Shabbir; Halil Ibrahim Kanpak; Alptekin Küpçü; Sinem Sav (CoRR, 2025)