Eleftherios Kokoris-Kogias

According to our database, Eleftherios Kokoris-Kogias authored at least 62 papers between 2016 and 2026.

Collaborative distances:

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2026

Thunderbolt: Concurrent Smart Contract Execution with Non-blocking Reconfiguration for Sharded DAGs.

Junchao Chen, Alberto Sonnino, Lefteris Kokoris-Kogias, Mohammad Sadoghi

Proceedings of the Proceedings 29th International Conference on Extending Database Technology, 2026

2025

Walrus: An Efficient Decentralized Storage Network.

George Danezis, Giacomo Giuliari, Eleftherios Kokoris-Kogias, Markus Legner, Jean-Pierre Smith, Alberto Sonnino, Karl Wüst

CoRR, May, 2025

CoBRA: A Universal Strategyproof Confirmation Protocol for Quorum-based Proof-of-Stake Blockchains.

Zeta Avarikioti, Eleftherios Kokoris-Kogias, Ray Neiheiser, Christos Stefo

CoRR, March, 2025

Anthemius: Efficient & Modular Block Assembly for Concurrent Execution.

Ray Neiheiser, Eleftherios Kokoris-Kogias

CoRR, February, 2025

Byzantine Consensus in the Random Asynchronous Model.

George Danezis, Jovan Komatovic, Lefteris Kokoris-Kogias, Alberto Sonnino, Igor Zablotchi

CoRR, February, 2025

Stingray: Fast Concurrent Transactions Without Consensus.

Srivatsan Sridhar, Alberto Sonnino, Lefteris Kokoris-Kogias

CoRR, January, 2025

Mysticeti: Reaching the Latency Limits with Uncertified DAGs.

Kushal Babel, Andrey Chursin, George Danezis, Anastasios Kichidis, Lefteris Kokoris-Kogias, Arun Koshy, Alberto Sonnino, Mingwei Tian

Proceedings of the 32nd Annual Network and Distributed System Security Symposium, 2025

2024

Sunfish: Reading Ledgers with Sparse Nodes.

Giulia Scaffino, Karl Wüst, Deepak Maram, Alberto Sonnino, Lefteris Kokoris-Kogias

IACR Cryptol. ePrint Arch., 2024

Obelia: Scaling DAG-Based Blockchains to Hundreds of Validators.

George Danezis, Lefteris Kokoris-Kogias, Alberto Sonnino, Mingwei Tian

CoRR, 2024

Mahi-Mahi: Low-Latency Asynchronous BFT DAG-Based Consensus.

Philipp Jovanovic, Lefteris Kokoris-Kogias, Bryan Kumara, Alberto Sonnino, Pasindu Tennage, Igor Zablotchi

CoRR, 2024

Thunderbolt: Causal Concurrent Consensus and Execution.

Junchao Chen, Alberto Sonnino, Lefteris Kokoris-Kogias, Mohammad Sadoghi

CoRR, 2024

RACS and SADL: Towards Robust SMR in the Wide-Area Network.

Pasindu Tennage, Antoine Desjardins, Lefteris Kokoris-Kogias

CoRR, 2024

Pilotfish: Distributed Transaction Execution for Lazy Blockchains.

Quentin Kniep, Lefteris Kokoris-Kogias, Alberto Sonnino, Igor Zablotchi, Nuda Zhang

CoRR, 2024

CHIRON: Accelerating Node Synchronization without Security Trade-offs in Distributed Ledgers.

Ray Neiheiser, Arman Babaei, Giannis Alexopoulos, Marios Kogias, Eleftherios Kokoris-Kogias

CoRR, 2024

HammerHead: Leader Reputation for Dynamic Scheduling.

Giorgos Tsimos, Anastasios Kichidis, Alberto Sonnino, Lefteris Kokoris-Kogias

Proceedings of the 44th IEEE International Conference on Distributed Computing Systems, 2024

Sui Lutris: A Blockchain Combining Broadcast and Consensus.

Sam Blackshear, Andrey Chursin, George Danezis, Anastasios Kichidis, Lefteris Kokoris-Kogias, Xun Li, Mark Logan, Ashok Menon, Todd Nowacki, Alberto Sonnino, Brandon Williams, Lu Zhang

Proceedings of the 2024 on ACM SIGSAC Conference on Computer and Communications Security, 2024

An Empirical Study of Consensus Protocols' DoS Resilience.

Giacomo Giuliari, Alberto Sonnino, Marc Frei, Fabio Streun, Lefteris Kokoris-Kogias, Adrian Perrig

Proceedings of the 19th ACM Asia Conference on Computer and Communications Security, 2024

2023

Parakeet: Practical Key Transparency for End-to-End Encrypted Messaging.

Harjasleen Malvai, Lefteris Kokoris-Kogias, Alberto Sonnino, Esha Ghosh, Ercan Oztürk, Kevin Lewi, Sean F. Lawlor

IACR Cryptol. ePrint Arch., 2023

Mysticeti: Low-Latency DAG Consensus with Fast Commit Path.

Kushal Babel, Andrey Chursin, George Danezis, Lefteris Kokoris-Kogias, Alberto Sonnino

CoRR, 2023

Cuttlefish: Expressive Fast Path Blockchains with FastUnlock.

Lefteris Kokoris-Kogias, Alberto Sonnino, George Danezis

CoRR, 2023

Resilient Consensus Sustained Collaboratively.

Junchao Chen, Suyash Gupta, Alberto Sonnino, Lefteris Kokoris-Kogias, Mohammad Sadoghi

CoRR, 2023

QuePaxa: Escaping the tyranny of timeouts in consensus.

Pasindu Tennage, Cristina Basescu, Lefteris Kokoris-Kogias, Ewa Syta, Philipp Jovanovic, Vero Estrada-Galiñanes, Bryan Ford

Proceedings of the 29th Symposium on Operating Systems Principles, 2023

Divide & Scale: Formalization and Roadmap to Robust Sharding.

Zeta Avarikioti, Antoine Desjardins, Lefteris Kokoris-Kogias, Roger Wattenhofer

Proceedings of the Structural Information and Communication Complexity, 2023

Proof of Availability and Retrieval in a Modular Blockchain Architecture.

Shir Cohen, Guy Goren, Lefteris Kokoris-Kogias, Alberto Sonnino, Alexander Spiegelman

Proceedings of the Financial Cryptography and Data Security, 2023

STROBE: Streaming Threshold Random Beacons.

Donald Beaver, Konstantinos Chalkias, Mahimna Kelkar, Lefteris Kokoris-Kogias, Kevin Lewi, Ladi de Naurois, Valeria Nikolaenko, Arnab Roy, Alberto Sonnino

Proceedings of the 5th Conference on Advances in Financial Technologies, 2023

2022

Executing and Proving over Dirty Ledgers.

Christos Stefo, Zhuolun Xiang, Lefteris Kokoris-Kogias

IACR Cryptol. ePrint Arch., 2022

Practical Asynchronous Proactive Secret Sharing and Key Refresh.

Christoph U. Günther, Sourav Das, Lefteris Kokoris-Kogias

IACR Cryptol. ePrint Arch., 2022

Proof of Availability & Retrieval in a Modular Blockchain Architecture.

Guy Goren, Lefteris Kokoris-Kogias, Alberto Sonnino, Shir Cohen, Alexander Spiegelman

IACR Cryptol. ePrint Arch., 2022

Practical Asynchronous High-threshold Distributed Key Generation and Distributed Polynomial Sampling.

Sourav Das, Zhuolun Xiang, Lefteris Kokoris-Kogias, Ling Ren

IACR Cryptol. ePrint Arch., 2022

Mandator and Sporades: Robust Wide-Area Consensus with Efficient Request Dissemination.

Pasindu Tennage, Antoine Desjardins, Eleftherios Kokoris-Kogias

CoRR, 2022

Bullshark: The Partially Synchronous Version.

Alexander Spiegelman, Neil Giridharan, Alberto Sonnino, Lefteris Kokoris-Kogias

CoRR, 2022

Baxos: Backing off for Robust and Efficient Consensus.

Pasindu Tennage, Cristina Basescu, Eleftherios Kokoris-Kogias, Ewa Syta, Philipp Jovanovic, Bryan Ford

CoRR, 2022

Hierarchical Consensus: A Horizontal Scaling Framework for Blockchains.

Alfonso de la Rocha, Lefteris Kokoris-Kogias, Jorge M. Soares, Marko Vukolic

Proceedings of the 42nd IEEE International Conference on Distributed Computing Systems, 2022

Jolteon and Ditto: Network-Adaptive Efficient Consensus with Asynchronous Fallback.

Rati Gelashvili, Lefteris Kokoris-Kogias, Alberto Sonnino, Alexander Spiegelman, Zhuolun Xiang

Proceedings of the Financial Cryptography and Data Security, 2022

Be Aware of Your Leaders.

Shir Cohen, Rati Gelashvili, Eleftherios Kokoris-Kogias, Zekun Li, Dahlia Malkhi, Alberto Sonnino, Alexander Spiegelman

Proceedings of the Financial Cryptography and Data Security, 2022

Narwhal and Tusk: a DAG-based mempool and efficient BFT consensus.

George Danezis, Lefteris Kokoris-Kogias, Alberto Sonnino, Alexander Spiegelman

Proceedings of the EuroSys '22: Seventeenth European Conference on Computer Systems, Rennes, France, April 5, 2022

Bullshark: DAG BFT Protocols Made Practical.

Alexander Spiegelman, Neil Giridharan, Alberto Sonnino, Lefteris Kokoris-Kogias

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

2021

Practical Asynchronous Distributed Key Generation.

Sourav Das, Tom Yurek, Zhuolun Xiang, Andrew Miller, Lefteris Kokoris-Kogias, Ling Ren

IACR Cryptol. ePrint Arch., 2021

Reactive Key-Loss Protection in Blockchains.

Sam Blackshear, Konstantinos Chalkias, Panagiotis Chatzigiannis, Riyaz Faizullabhoy, Irakliy Khaburzaniya, Eleftherios Kokoris-Kogias, Joshua Lind, David Wong, Tim Zakian

IACR Cryptol. ePrint Arch., 2021

STROBE: Stake-based Threshold Random Beacons.

Donald Beaver, Konstantinos Chalkias, Mahimna Kelkar, Lefteris Kokoris-Kogias, Kevin Lewi, Ladi de Naurois, Valeria Nicolaenko, Arnab Roy, Alberto Sonnino

IACR Cryptol. ePrint Arch., 2021

Be Prepared When Network Goes Bad: An Asynchronous View-Change Protocol.

Rati Gelashvili, Lefteris Kokoris-Kogias, Alexander Spiegelman, Zhuolun Xiang

CoRR, 2021

All You Need is DAG.

Idit Keidar, Eleftherios Kokoris-Kogias, Oded Naor, Alexander Spiegelman

Proceedings of the PODC '21: ACM Symposium on Principles of Distributed Computing, 2021

Brief Announcement: Be Prepared When Network Goes Bad: An Asynchronous View-Change Protocol.

Rati Gelashvili, Lefteris Kokoris-Kogias, Alexander Spiegelman, Zhuolun Xiang

Proceedings of the PODC '21: ACM Symposium on Principles of Distributed Computing, 2021

Brick: Asynchronous Incentive-Compatible Payment Channels.

Zeta Avarikioti, Eleftherios Kokoris-Kogias, Roger Wattenhofer, Dionysis Zindros

Proceedings of the Financial Cryptography and Data Security, 2021

2020

CALYPSO: Private Data Management for Decentralized Ledgers.

Eleftherios Kokoris-Kogias, Enis Ceyhun Alp, Linus Gasser, Philipp Jovanovic, Ewa Syta, Bryan Ford

Proc. VLDB Endow., 2020

Asynchronous Distributed Key Generation for Computationally-Secure Randomness, Consensus, and Threshold Signatures.

Eleftherios Kokoris-Kogias, Dahlia Malkhi, Alexander Spiegelman

Proceedings of the CCS '20: 2020 ACM SIGSAC Conference on Computer and Communications Security, 2020

2019

Secure, Confidential Blockchains Providing High Throughput and Low Latency.

Eleftherios Kokoris-Kogias

PhD thesis, 2019

SoK: Communication Across Distributed Ledgers.

Alexei Zamyatin, Mustafa Al-Bassam, Dionysis Zindros, Eleftherios Kokoris-Kogias, Pedro Moreno-Sanchez, Aggelos Kiayias, William J. Knottenbelt

IACR Cryptol. ePrint Arch., 2019

Bootstrapping Consensus Without Trusted Setup: Fully Asynchronous Distributed Key Generation.

Eleftherios Kokoris-Kogias, Alexander Spiegelman, Dahlia Malkhi, Ittai Abraham

IACR Cryptol. ePrint Arch., 2019

Robust and Scalable Consensus for Sharded Distributed Ledgers.

Eleftherios Kokoris-Kogias

IACR Cryptol. ePrint Arch., 2019

Divide and Scale: Formalization of Distributed Ledger Sharding Protocols.

Georgia Avarikioti, Eleftherios Kokoris-Kogias, Roger Wattenhofer

CoRR, 2019

Brick: Asynchronous State Channels.

Georgia Avarikioti, Eleftherios Kokoris-Kogias, Roger Wattenhofer

CoRR, 2019

Rethinking General-Purpose Decentralized Computing.

Enis Ceyhun Alp, Eleftherios Kokoris-Kogias, Georgia Fragkouli, Bryan Ford

Proceedings of the Workshop on Hot Topics in Operating Systems, 2019

2018

Hidden in Plain Sight: Storing and Managing Secrets on a Public Ledger.

Eleftherios Kokoris-Kogias, Enis Ceyhun Alp, Sandra Deepthy Siby, Nicolas Gailly, Philipp Jovanovic, Linus Gasser, Bryan Ford

IACR Cryptol. ePrint Arch., 2018

OmniLedger: A Secure, Scale-Out, Decentralized Ledger via Sharding.

Eleftherios Kokoris-Kogias, Philipp Jovanovic, Linus Gasser, Nicolas Gailly, Ewa Syta, Bryan Ford

Proceedings of the 2018 IEEE Symposium on Security and Privacy, 2018

Channels: Horizontal Scaling and Confidentiality on Permissioned Blockchains.

Elli Androulaki, Christian Cachin, Angelo De Caro, Eleftherios Kokoris-Kogias

Proceedings of the Computer Security, 2018

2017

CHAINIAC: Proactive Software-Update Transparency via Collectively Signed Skipchains and Verified Builds.

Kirill Nikitin, Eleftherios Kokoris-Kogias, Philipp Jovanovic, Linus Gasser, Nicolas Gailly, Ismail Khoffi, Justin Cappos, Bryan Ford

IACR Cryptol. ePrint Arch., 2017

OmniLedger: A Secure, Scale-Out, Decentralized Ledger.

Eleftherios Kokoris-Kogias, Philipp Jovanovic, Linus Gasser, Nicolas Gailly, Bryan Ford

IACR Cryptol. ePrint Arch., 2017

Proof-of-Personhood: Redemocratizing Permissionless Cryptocurrencies.

Maria Borge, Eleftherios Kokoris-Kogias, Philipp Jovanovic, Linus Gasser, Nicolas Gailly, Bryan Ford

Proceedings of the 2017 IEEE European Symposium on Security and Privacy Workshops, 2017

2016

Scalable Bias-Resistant Distributed Randomness.

Ewa Syta, Philipp Jovanovic, Eleftherios Kokoris-Kogias, Nicolas Gailly, Linus Gasser, Ismail Khoffi, Michael J. Fischer, Bryan Ford

IACR Cryptol. ePrint Arch., 2016

Enhancing Bitcoin Security and Performance with Strong Consistency via Collective Signing.

Eleftherios Kokoris-Kogias, Philipp Jovanovic, Nicolas Gailly, Ismail Khoffi, Linus Gasser, Bryan Ford

Proceedings of the 25th USENIX Security Symposium, 2016

TRM-SIoT: A scalable hybrid trust & reputation model for the social Internet of Things.

Eleftherios Kokoris-Kogias, Orfefs Voutyras, Theodora A. Varvarigou

Proceedings of the 21st IEEE International Conference on Emerging Technologies and Factory Automation, 2016