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Lefteris Kokoris-Kogias · SciRah

Researcher profile · Semantic Scholar

Lefteris Kokoris-Kogias

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Lefteris Kokoris-Kogias — researcher profile on SciRah

h-index: 16
Works: 47
Citations: 1,797

Most-cited papers

Narwhal and Tusk: a DAG-based mempool and efficient BFT consensus
G. Danezis, Lefteris Kokoris-Kogias, A. Sonnino, Alexander Spiegelman
2021European Conference on Computer Systems450 citations
Semantic Scholar
Bullshark: DAG BFT Protocols Made Practical
Alexander Spiegelman, N. Giridharan, A. Sonnino, Lefteris Kokoris-Kogias
2022Conference on Computer and Communications Security350 citations
Semantic Scholar
Jolteon and Ditto: Network-Adaptive Efficient Consensus with Asynchronous Fallback
Rati Gelashvili, Lefteris Kokoris-Kogias, A. Sonnino, Alexander Spiegelman +1 more
2021Financial Cryptography189 citations
Semantic Scholar
Practical Asynchronous Distributed Key Generation
Sourav Das, Thomas Yurek, Zhuolun Xiang, Andrew K. Miller +2 more
2022IEEE Symposium on Security and Privacy148 citations
Semantic Scholar
Sui Lutris: A Blockchain Combining Broadcast and Consensus
Sam Blackshear, A. Chursin, G. Danezis, Anastasios Kichidis +8 more
2023Conference on Computer and Communications Security87 citations
Semantic Scholar
Practical Asynchronous High-threshold Distributed Key Generation and Distributed Polynomial Sampling
Sourav Das, Zhuolun Xiang, Lefteris Kokoris-Kogias, Ling Ren
2022IACR Cryptology ePrint Archive67 citations
Semantic Scholar
Mysticeti: Reaching the Latency Limits with Uncertified DAGs
Kushal Babel, Andrey Chursin, George P. Danezis, Anastasios Kichidis +4 more
2023Network and Distributed System Security Symposium62 citations Open access
Semantic Scholar
Mysticeti: Low-Latency DAG Consensus with Fast Commit Path
Kushal Babel, A. Chursin, G. Danezis, Lefteris Kokoris-Kogias +1 more
2023arXiv.org52 citations
Semantic Scholar
Parakeet: Practical Key Transparency for End-to-End Encrypted Messaging
Harjasleen Malvai, Lefteris Kokoris-Kogias, A. Sonnino, Esha Ghosh +3 more
2023IACR Cryptology ePrint Archive51 citations Open access
Semantic Scholar
Bullshark: The Partially Synchronous Version
Alexander Spiegelman, N. Giridharan, A. Sonnino, Lefteris Kokoris-Kogias
2022arXiv.org36 citations Open access
Semantic Scholar
Be Aware of Your Leaders
Shir Cohen, Rati Gelashvili, Lefteris Kokoris-Kogias, Ze-Kun Li +3 more
2021Financial Cryptography33 citations Open access
Semantic Scholar
Managing Identities Using Blockchains and CoSi
Lefteris Kokoris-Kogias, L. Gasser, Ismail Khoffi, Philipp Jovanovic +2 more
2016International Symposium on Privacy Enhancing Technologies29 citations
Semantic Scholar
Mahi-Mahi: Low-Latency Asynchronous BFT DAG-Based Consensus
P. Jovanovic, Lefteris Kokoris-Kogias, Bryan Kumara, Alberto Sonnino +2 more
2024IEEE International Conference on Distributed Computing Systems27 citations Open access
Semantic Scholar
QuePaxa: Escaping the tyranny of timeouts in consensus
Pasindu Tennage, Cristina Basescu, Lefteris Kokoris-Kogias, Ewa Syta +3 more
2023Symposium on Operating Systems Principles24 citations Open access
Semantic Scholar
HammerHead: Leader Reputation for Dynamic Scheduling
Giorgos Tsimos, Anastasios Kichidis, A. Sonnino, Lefteris Kokoris-Kogias
2023IEEE International Conference on Distributed Computing Systems19 citations Open access
Semantic Scholar
An Empirical Study of Consensus Protocols’ DoS Resilience
Giacomo Giuliari, Alberto Sonnino, Marc Frei, Fabio Streun +2 more
2024ACM Asia Conference on Computer and Communications Security16 citations Open access
Semantic Scholar
Proof of Availability and Retrieval in a Modular Blockchain Architecture
Shir Cohen, Guy Goren, Lefteris Kokoris-Kogias, A. Sonnino +1 more
2023Financial Cryptography15 citations
Semantic Scholar
Divide & Scale: Formalization and Roadmap to Robust Sharding
Zeta Avarikioti, Antoine Desjardins, Lefteris Kokoris-Kogias, Roger Wattenhofer
2019Colloquium on Structural Information & Communication Complexity15 citations
Semantic Scholar
Practical Asynchronous Proactive Secret Sharing and Key Refresh
Christoph U. Günther, Sourav Das, Lefteris Kokoris-Kogias
2022IACR Cryptology ePrint Archive13 citations
Semantic Scholar
BlueBottle: Fast and Robust Blockchains through Subsystem Specialization
Preston Vander Vos, Alberto Sonnino, Giorgos Tsimos, P. Jovanovic +1 more
2025arXiv.org10 citations
Semantic Scholar
Proof of Availability & Retrieval in a Modular Blockchain Architecture
G. Goren, Lefteris Kokoris-Kogias, A. Sonnino, Shir Cohen +1 more
2022IACR Cryptology ePrint Archive9 citations
Semantic Scholar
Hierarchical Consensus: A Horizontal Scaling Framework for Blockchains
Alfonso de la Rocha, Lefteris Kokoris-Kogias, Jorge M. Soares, Marko Vukolic
2022International Conference on Distributed Computing Systems Workshops8 citations
Semantic Scholar
Be Prepared When Network Goes Bad: An Asynchronous View-Change Protocol
Rati Gelashvili, Lefteris Kokoris-Kogias, Alexander Spiegelman, Zhuolun Xiang
2021arXiv.org8 citations
Semantic Scholar
Stingray: Fast Concurrent Transactions Without Consensus
S. Sridhar, Alberto Sonnino, Lefteris Kokoris-Kogias
2025arXiv.org7 citations
Semantic Scholar
Pilotfish: Distributed Transaction Execution for Lazy Blockchains
Quentin M. Kniep, Lefteris Kokoris-Kogias, A. Sonnino, Igor Zablotchi +1 more
2024arXiv.org7 citations
Semantic Scholar
Cuttlefish: Expressive Fast Path Blockchains with FastUnlock
Lefteris Kokoris-Kogias, A. Sonnino, G. Danezis
2023arXiv.org7 citations Open access
Semantic Scholar
Executing and Proving over Dirty Ledgers
Christos Stefo, Zhuolun Xiang, Lefteris Kokoris-Kogias
2022IACR Cryptology ePrint Archive7 citations
Semantic Scholar
STROBE: Stake-based Threshold Random Beacons
Donald Beaver, K. Chalkias, Mahimna Kelkar, Lefteris Kokoris-Kogias +5 more
2021IACR Cryptology ePrint Archive7 citations
Semantic Scholar
Byzantine Consensus in the Random Asynchronous Model
G. Danezis, J. Komatovic, Lefteris Kokoris-Kogias, Alberto Sonnino +1 more
2025International Symposium on Distributed Computing6 citations
Semantic Scholar
Seahorse: Efficiently Mixing Encrypted and Normal Transactions
Ben Riva, Alberto Sonnino, Lefteris Kokoris-Kogias
2025Financial Cryptography5 citations
Semantic Scholar
Pilotfish: Distributed Execution for Scalable Blockchains
Quentin M. Kniep, Lefteris Kokoris-Kogias, Alberto Sonnino, Igor Zablotchi +1 more
2024Financial Cryptography5 citations Open access
Semantic Scholar
Sedna: Sharding transactions in multiple concurrent proposer blockchains
Alejandro Ranchal-Pedrosa, Benjamin Marsh, Lefteris Kokoris-Kogias, Alberto Sonnino
2025arXiv.org4 citations
Semantic Scholar
Securing Consensus from Long-Range Attacks Through Collaboration
Junchao Chen, Suyash Gupta, A. Sonnino, Lefteris Kokoris-Kogias +1 more
2023IEEE International Symposium on Reliable Distributed Systems4 citations Open access
Semantic Scholar
RACS-SADL: Robust and Understandable Randomized Consensus in the Cloud
Pasindu Tennage, Antoine Desjardins, Lefteris Kokoris-Kogias
2024IEEE International Conference on Cloud Computing3 citations Open access
Semantic Scholar
Thunderbolt: Concurrent Smart Contract Execution with Non-blocking Reconfiguration for Sharded DAGs
Junchao Chen, Alberto Sonnino, Lefteris Kokoris-Kogias, Mohammad Sadoghi
2024International Conference on Extending Database Technology3 citations
Semantic Scholar
STROBE: Streaming Threshold Random Beacons
Donald Beaver, K. Chalkias, Mahimna Kelkar, Lefteris Kokoris-Kogias +5 more
2023Conference on Advances in Financial Technologies3 citations
Semantic Scholar
Orcaella: Hybrid Fault Tolerance with Client-Selectable Finality Latency
Lefteris Kokoris-Kogias, Alberto Sonnino
2026arXiv.org2 citations
Semantic Scholar
Beluga: Block Synchronization for BFT Consensus Protocols
Tasos Kichidis, Lefteris Kokoris-Kogias, Arun Koshy, I. Sergey +3 more
2025arXiv.org2 citations
Semantic Scholar
Obelia: Scaling DAG-Based Blockchains to Hundreds of Validators
G. Danezis, Lefteris Kokoris-Kogias, Alberto Sonnino, Mingwei Tian
2024arXiv.org2 citations
Semantic Scholar
Tidehunter: Large-Value Storage With Minimal Data Relocation
Andrey Chursin, Lefteris Kokoris-Kogias, A. Orlov, Alberto Sonnino +1 more
2026Proceedings of the VLDB Endowment1 citations
Semantic Scholar
Sunfish: Reading Ledgers with Sparse Nodes
Giulia Scaffino, Karl Wüst, Deepak Maram, Alberto Sonnino +1 more
2024IACR Cryptology ePrint Archive1 citations
Semantic Scholar
Low-latency blockchain consensus
Cristina Basescu, Lefteris Kokoris-Kogias
20171 citations
Semantic Scholar
Hydrozoan: Latency-Adaptive DAG Consensus under Mixed Byzantine and Crash Faults
Qian-Yu Yu, Lefteris Kokoris-Kogias, Alberto Sonnino
20260 citations
Semantic Scholar
Barnacle: Adaptive Multi-Leader Scheduling for DAG-Based Consensus
G. Danezis, Zeno de Angeli, Alexandru Ianov Vitanov, P. Jovanovic +4 more
20260 citations
Semantic Scholar
Masking Ordering Failures in BFT SMR via DAG-based Proactive Pre-Commit Execution
Jian-Ting Zhang, Alberto Sonnino, Lefteris Kokoris-Kogias, Aniket Kate
2026IACR Cryptology ePrint Archive0 citations
Semantic Scholar
Steelhead: Interleaving Partially Synchronous and Asynchronous Commit Rules on a Shared DAG
Zeno de Angeli, P. Jovanovic, Lefteris Kokoris-Kogias, M. Legner +1 more
20260 citations
Semantic Scholar
Thunderbolt: Causal Concurrent Consensus and Execution
Junchao Chen, Alberto Sonnino, Lefteris Kokoris-Kogias, Mohammad Sadoghi
2024arXiv.org0 citations
Semantic Scholar

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A. Sonnino×17
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Alexander Spiegelman×8
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G. Danezis×7
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Zhuolun Xiang×5

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