Lefteris Kokoris Kogias

40 Publications

Mark all

[40]
2024 | Published | Conference Paper | IST-REx-ID: 18071 | OA
HammerHead: Leader reputation for dynamic scheduling
G. Tsimos, A. Kichidis, A. Sonnino, E. Kokoris Kogias, in:, Proceedings - International Conference on Distributed Computing Systems, IEEE, 2024, pp. 1377–1387.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[39]
2024 | Published | Conference Paper | IST-REx-ID: 18913 | OA
An empirical study of consensus protocols’ DoS resilience
G. Giuliari, A. Sonnino, M. Frei, F. Streun, E. Kokoris Kogias, A. Perrig, in:, Proceedings of the 19th ACM Asia Conference on Computer and Communications Security, ACM, 2024, pp. 1345–1360.
[Published Version] View | Files available | DOI | WoS
 
[38]
2024 | Published | Conference Paper | IST-REx-ID: 18957 | OA
Sui Lutris: A blockchain combining broadcast and consensus
S. Blackshear, A. Chursin, G. Danezis, A. Kichidis, E. Kokoris Kogias, X. Li, M. Logan, A. Menon, T. Nowacki, A. Sonnino, B. Williams, L. Zhang, in:, Proceedings of the 2024 on ACM SIGSAC Conference on Computer and Communications Security, ACM, 2024, pp. 2606–2620.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[37]
2023 | Published | Conference Paper | IST-REx-ID: 14516 | OA
STROBE: Streaming Threshold Random Beacons
D. Beaver, M. Kelkar, K. Lewi, V. Nikolaenko, A. Sonnino, K. Chalkias, E. Kokoris Kogias, L.D. Naurois, A. Roy, in:, 5th Conference on Advances in Financial Technologies, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2023.
[Published Version] View | Files available | DOI | Download Published Version (ext.)
 
[36]
2023 | Published | Conference Paper | IST-REx-ID: 14989 | OA
Parakeet: Practical key transparency for end-to-end eEncrypted messaging
H. Malvai, E. Kokoris Kogias, A. Sonnino, E. Ghosh, E. Oztürk, K. Lewi, S. Lawlor, in:, Proceedings of the 2023 Network and Distributed System Security Symposium, Internet Society, 2023.
[Published Version] View | DOI | Download Published Version (ext.)
 
[35]
2023 | Published | Conference Paper | IST-REx-ID: 14609 | OA
Practical asynchronous high-threshold distributed key generation and distributed polynomial sampling
S. Das, Z. Xiang, E. Kokoris Kogias, L. Ren, in:, 32nd USENIX Security Symposium, Usenix, 2023, pp. 5359–5376.
[Published Version] View | Files available | Download Published Version (ext.)
 
[34]
2023 | Published | Conference Paper | IST-REx-ID: 14735 | OA
Executing and proving over dirty ledgers
C. Stefo, Z. Xiang, E. Kokoris Kogias, in:, 27th International Conference on Financial Cryptography and Data Security, Springer Nature, 2023, pp. 3–20.
[Preprint] View | DOI | Download Preprint (ext.) | WoS
 
[33]
2023 | Published | Conference Paper | IST-REx-ID: 14744
Divide & Scale: Formalization and roadmap to robust sharding
Z. Avarikioti, A. Desjardins, E. Kokoris Kogias, R. Wattenhofer, in:, 30th International Colloquium on Structural Information and Communication Complexity, Springer Nature, 2023, pp. 199–245.
View | DOI | WoS
 
[32]
2023 | Published | Conference Paper | IST-REx-ID: 14743 | OA
QuePaxa: Escaping the tyranny of timeouts in consensus
P. Tennage, C. Basescu, E. Kokoris Kogias, E. Syta, P. Jovanovic, V. Estrada-Galinanes, B. Ford, in:, Proceedings of the 29th Symposium on Operating Systems Principles, Association for Computing Machinery, 2023, pp. 281–297.
[Published Version] View | DOI | Download Published Version (ext.) | WoS
 
[31]
2023 | Published | Conference Paper | IST-REx-ID: 14829 | OA
Proof of availability and retrieval in a modular blockchain architecture
S. Cohen, G. Goren, E. Kokoris Kogias, A. Sonnino, A. Spiegelman, in:, 27th International Conference on Financial Cryptography and Data Security, Springer Nature, 2023, pp. 36–53.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
[30]
2022 | Published | Conference Paper | IST-REx-ID: 11331 | OA
Narwhal and Tusk: A DAG-based mempool and efficient BFT consensus
G. Danezis, E. Kokoris Kogias, A. Sonnino, A. Spiegelman, in:, Proceedings of the 17th European Conference on Computer Systems, Association for Computing Machinery, 2022, pp. 34–50.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[29]
2022 | Published | Conference Paper | IST-REx-ID: 12160
Hierarchical consensus: A horizontal scaling framework for blockchains
A. De la Rocha, E. Kokoris Kogias, J.M. Soares, M. Vukolic, in:, 42nd International Conference on Distributed Computing Systems Workshops, Institute of Electrical and Electronics Engineers, 2022, pp. 45–52.
View | DOI | WoS
 
[28]
2022 | Published | Conference Paper | IST-REx-ID: 12300 | OA
Practical asynchronous distributed key generation
S. Das, T. Yurek, Z. Xiang, A. Miller, E. Kokoris Kogias, L. Ren, in:, 2022 IEEE Symposium on Security and Privacy, Institute of Electrical and Electronics Engineers, 2022, pp. 2518–2534.
[Preprint] View | DOI | Download Preprint (ext.)
 
[27]
2022 | Published | Conference Paper | IST-REx-ID: 12229 | OA
Bullshark: DAG BFT protocols made practical
A. Spiegelman, N. Giridharan, A. Sonnino, E. Kokoris Kogias, in:, Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications Security, Association for Computing Machinery, 2022, pp. 2705–2718.
[Preprint] View | DOI | Download Preprint (ext.) | arXiv
 
[26]
2022 | Published | Conference Paper | IST-REx-ID: 12298 | OA
Jolteon and ditto: Network-adaptive efficient consensus with asynchronous fallback
R. Gelashvili, E. Kokoris Kogias, A. Sonnino, A. Spiegelman, Z. Xiang, in:, Financial Cryptography and Data Security, Springer Nature, 2022, pp. 296–315.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[25]
2022 | Published | Conference Paper | IST-REx-ID: 12168 | OA
Be aware of your leaders
S. Cohen, R. Gelashvili, E. Kokoris Kogias, Z. Li, D. Malkhi, A. Sonnino, A. Spiegelman, in:, International Conference on Financial Cryptography and Data Security, Springer Nature, 2022, pp. 279–295.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[24]
2021 | Published | Conference Paper | IST-REx-ID: 10324 | OA
Brick: Asynchronous incentive-compatible payment channels
Z. Avarikioti, E. Kokoris Kogias, R. Wattenhofer, D. Zindros, in:, 25th International Conference on Financial Cryptography and Data Security, Springer Nature, 2021, pp. 209–230.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[23]
2021 | Published | Conference Paper | IST-REx-ID: 10325 | OA
SoK: Communication across distributed ledgers
A. Zamyatin, M. Al-Bassam, D. Zindros, E. Kokoris Kogias, P. Moreno-Sanchez, A. Kiayias, W.J. Knottenbelt, in:, 25th International Conference on Financial Cryptography and Data Security, Springer Nature, 2021, pp. 3–36.
[Preprint] View | DOI | Download Preprint (ext.) | WoS
 
[22]
2021 | Published | Conference Paper | IST-REx-ID: 10553 | OA
Brief announcement: Be prepared when network goes bad: An asynchronous view-change protocol
R. Gelashvili, E. Kokoris Kogias, A. Spiegelman, Z. Xiang, in:, Proceedings of the 2021 ACM Symposium on Principles of Distributed Computing, Association for Computing Machinery, 2021, pp. 187–190.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[21]
2021 | Published | Conference Paper | IST-REx-ID: 10554 | OA
All You Need is DAG
I. Keidar, E. Kokoris Kogias, O. Naor, A. Spiegelman, in:, Proceedings of the 2021 ACM Symposium on Principles of Distributed Computing, Association for Computing Machinery, 2021, pp. 165–175.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[20]
2021 | Published | Conference Paper | IST-REx-ID: 10076 | OA
Reactive key-loss protection in blockchains
S. Blackshear, K. Chalkias, P. Chatzigiannis, R. Faizullabhoy, I. Khaburzaniya, E. Kokoris Kogias, J. Lind, D. Wong, T. Zakian, in:, FC 2021 Workshops, Springer Nature, 2021, pp. 431–450.
[Preprint] View | DOI | Download Preprint (ext.) | WoS
 
[19]
2020 | Patent | IST-REx-ID: 10557 | OA
Cryptographically verifiable data structure having multi-hop forward and backwards links and associated systems and methods
B. Ford, L. Gasse, E. Kokoris Kogias, P. Jovanovic, (2020).
[Published Version] View | Files available | Download Published Version (ext.)
 
[18]
2020 | Published | Journal Article | IST-REx-ID: 9011 | OA
CALYPSO: Private data management for decentralized ledgers
E. Kokoris Kogias, E.C. Alp, L. Gasser, P. Jovanovic, E. Syta, B. Ford, Proceedings of the VLDB Endowment 14 (2020) 586–599.
[Published Version] View | DOI | Download Published Version (ext.) | WoS
 
[17]
2020 | Submitted | Preprint | IST-REx-ID: 8307 | OA
GRANDPA: A Byzantine finality gadget
A. Stewart, E. Kokoris Kogias, ArXiv (n.d.).
[Preprint] View | DOI | Download Preprint (ext.) | arXiv
 
[16]
2020 | Published | Conference Paper | IST-REx-ID: 10556 | OA
Asynchronous distributed key generation for computationally-secure randomness, consensus, and threshold signatures
E. Kokoris Kogias, D. Malkhi, A. Spiegelman, in:, Proceedings of the 2020 ACM SIGSAC Conference on Computer and Communications Security, Association for Computing Machinery, 2020, pp. 1751–1767.
[Preprint] View | DOI | Download Preprint (ext.) | WoS
 
[15]
2019 | Published | Conference Paper | IST-REx-ID: 8296
Rethinking general-purpose decentralized computing
E.C. Alp, E. Kokoris Kogias, G. Fragkouli, B. Ford, in:, Proceedings of the Workshop on Hot Topics in Operating Systems, ACM, 2019, pp. 105–112.
View | DOI
 
[14]
2019 | Submitted | Preprint | IST-REx-ID: 8303 | OA
Robust and scalable consensus for sharded distributed ledgers
E. Kokoris Kogias, Cryptology EPrint Archive (n.d.).
[Preprint] View | Download Preprint (ext.)
 
[13]
2019 | Submitted | Preprint | IST-REx-ID: 8304 | OA
SoK: Communication across distributed ledgers
A. Zamyatin, M. Al-Bassam, D. Zindros, E. Kokoris Kogias, P. Moreno-Sanchez, A. Kiayias, W.J. Knottenbelt, Cryptology EPrint Archive (n.d.).
[Preprint] View | Download Preprint (ext.)
 
[12]
2019 | Published | Thesis | IST-REx-ID: 8311 | OA
Secure, confidential blockchains providing high throughput and low latency
E. Kokoris Kogias, Secure, Confidential Blockchains Providing High Throughput and Low Latency, École Polytechnique Fédérale de Lausanne, 2019.
[Published Version] View | DOI | Download Published Version (ext.)
 
[11]
2019 | Patent | IST-REx-ID: 8313 | OA
Methods and systems for secure data exchange
B. Ford, L. Gasser, E. Kokoris Kogias, P. Janovic, (2019).
[Published Version] View | Download Published Version (ext.)
 
[10]
2019 | Submitted | Preprint | IST-REx-ID: 8305 | OA
Bootstrapping consensus without trusted setup: Fully asynchronous distributed key generation
E. Kokoris Kogias, A. Spiegelman, D. Malkhi, I. Abraham, Cryptology EPrint Archive (n.d.).
[Preprint] View | Download Preprint (ext.)
 
[9]
2019 | Submitted | Preprint | IST-REx-ID: 8314 | OA
Brick: Asynchronous payment channels
G. Avarikioti, E. Kokoris Kogias, R. Wattenhofer, D. Zindros, ArXiv (n.d.).
[Preprint] View | DOI | Download Preprint (ext.) | arXiv
 
[8]
2019 | Submitted | Preprint | IST-REx-ID: 8315 | OA
Divide and scale: Formalization of distributed ledger sharding protocols
G. Avarikioti, E. Kokoris Kogias, R. Wattenhofer, ArXiv (n.d.).
[Preprint] View | DOI | Download Preprint (ext.) | arXiv
 
[7]
2018 | Published | Conference Paper | IST-REx-ID: 8297 | OA
OmniLedger: A secure, scale-out, decentralized ledger via sharding
E. Kokoris Kogias, P. Jovanovic, L. Gasser, N. Gailly, E. Syta, B. Ford, in:, 2018 IEEE Symposium on Security and Privacy, IEEE, 2018, pp. 583–598.
[Preprint] View | DOI | Download Preprint (ext.)
 
[6]
2018 | Published | Conference Paper | IST-REx-ID: 8298
Channels: Horizontal scaling and confidentiality on permissioned blockchains
E. Androulaki, C. Cachin, A. De Caro, E. Kokoris Kogias, in:, Computer Security, Springer Nature, 2018, pp. 111–131.
View | DOI
 
[5]
2017 | Published | Conference Paper | IST-REx-ID: 8299
Proof-of-personhood: Redemocratizing permissionless cryptocurrencies
M. Borge, E. Kokoris Kogias, P. Jovanovic, L. Gasser, N. Gailly, B. Ford, in:, 2017 IEEE European Symposium on Security and Privacy Workshops, IEEE, 2017.
View | DOI
 
[4]
2017 | Published | Conference Paper | IST-REx-ID: 8301 | OA
CHAINIAC: Proactive software-update transparency via collectively signed skipchains and verified builds
K. Nikitin, E. Kokoris Kogias, P. Jovanovic, L. Gasser, N. Gailly, I. Khoffi, J. Cappos, B. Ford, in:, Proceedings of the 26th USENIX Conference on Security Symposium, USENIX Association, 2017, pp. 1271–1287.
[Published Version] View | Download Published Version (ext.)
 
[3]
2017 | Published | Conference Paper | IST-REx-ID: 8306 | OA
Scalable bias-resistant distributed randomness
E. Syta, P. Jovanovic, E. Kokoris Kogias, N. Gailly, L. Gasser, I. Khoffi, M.J. Fischer, B. Ford, in:, 2017 IEEE Symposium on Security and Privacy, IEEE, 2017, pp. 444–460.
[Preprint] View | DOI | Download Preprint (ext.)
 
[2]
2016 | Published | Conference Paper | IST-REx-ID: 8300
TRM-SIoT: A scalable hybrid trust & reputation model for the social Internet of Things
E. Kokoris Kogias, O. Voutyras, T. Varvarigou, in:, 2016 IEEE 21st International Conference on Emerging Technologies and Factory Automation, IEEE, 2016.
View | DOI
 
[1]
2016 | Published | Conference Paper | IST-REx-ID: 8302 | OA
Enhancing bitcoin security and performance with strong consistency via collective signing
E. Kokoris Kogias, P. Jovanovic, N. Gailly, I. Khoffi, L. Gasser, B. Ford, in:, Proceedings of the 25th USENIX Conference on Security Symposium, USENIX Association, 2016, pp. 279–296.
[Published Version] View | Download Published Version (ext.) | arXiv
 
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2 Grants


Security and Privacy by Design for Complex Systems (SPyCoDe)

2023-01-01 – 2026-12-31
Austrian Science Fund

SeCure, privAte, and interoperabLe layEr 2 (SCALE2)

2023-06-01 – 2027-05-31
Vienna Science and Technology Fund

40 Publications

Mark all

[40]
2024 | Published | Conference Paper | IST-REx-ID: 18071 | OA
HammerHead: Leader reputation for dynamic scheduling
G. Tsimos, A. Kichidis, A. Sonnino, E. Kokoris Kogias, in:, Proceedings - International Conference on Distributed Computing Systems, IEEE, 2024, pp. 1377–1387.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[39]
2024 | Published | Conference Paper | IST-REx-ID: 18913 | OA
An empirical study of consensus protocols’ DoS resilience
G. Giuliari, A. Sonnino, M. Frei, F. Streun, E. Kokoris Kogias, A. Perrig, in:, Proceedings of the 19th ACM Asia Conference on Computer and Communications Security, ACM, 2024, pp. 1345–1360.
[Published Version] View | Files available | DOI | WoS
 
[38]
2024 | Published | Conference Paper | IST-REx-ID: 18957 | OA
Sui Lutris: A blockchain combining broadcast and consensus
S. Blackshear, A. Chursin, G. Danezis, A. Kichidis, E. Kokoris Kogias, X. Li, M. Logan, A. Menon, T. Nowacki, A. Sonnino, B. Williams, L. Zhang, in:, Proceedings of the 2024 on ACM SIGSAC Conference on Computer and Communications Security, ACM, 2024, pp. 2606–2620.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[37]
2023 | Published | Conference Paper | IST-REx-ID: 14516 | OA
STROBE: Streaming Threshold Random Beacons
D. Beaver, M. Kelkar, K. Lewi, V. Nikolaenko, A. Sonnino, K. Chalkias, E. Kokoris Kogias, L.D. Naurois, A. Roy, in:, 5th Conference on Advances in Financial Technologies, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2023.
[Published Version] View | Files available | DOI | Download Published Version (ext.)
 
[36]
2023 | Published | Conference Paper | IST-REx-ID: 14989 | OA
Parakeet: Practical key transparency for end-to-end eEncrypted messaging
H. Malvai, E. Kokoris Kogias, A. Sonnino, E. Ghosh, E. Oztürk, K. Lewi, S. Lawlor, in:, Proceedings of the 2023 Network and Distributed System Security Symposium, Internet Society, 2023.
[Published Version] View | DOI | Download Published Version (ext.)
 
[35]
2023 | Published | Conference Paper | IST-REx-ID: 14609 | OA
Practical asynchronous high-threshold distributed key generation and distributed polynomial sampling
S. Das, Z. Xiang, E. Kokoris Kogias, L. Ren, in:, 32nd USENIX Security Symposium, Usenix, 2023, pp. 5359–5376.
[Published Version] View | Files available | Download Published Version (ext.)
 
[34]
2023 | Published | Conference Paper | IST-REx-ID: 14735 | OA
Executing and proving over dirty ledgers
C. Stefo, Z. Xiang, E. Kokoris Kogias, in:, 27th International Conference on Financial Cryptography and Data Security, Springer Nature, 2023, pp. 3–20.
[Preprint] View | DOI | Download Preprint (ext.) | WoS
 
[33]
2023 | Published | Conference Paper | IST-REx-ID: 14744
Divide & Scale: Formalization and roadmap to robust sharding
Z. Avarikioti, A. Desjardins, E. Kokoris Kogias, R. Wattenhofer, in:, 30th International Colloquium on Structural Information and Communication Complexity, Springer Nature, 2023, pp. 199–245.
View | DOI | WoS
 
[32]
2023 | Published | Conference Paper | IST-REx-ID: 14743 | OA
QuePaxa: Escaping the tyranny of timeouts in consensus
P. Tennage, C. Basescu, E. Kokoris Kogias, E. Syta, P. Jovanovic, V. Estrada-Galinanes, B. Ford, in:, Proceedings of the 29th Symposium on Operating Systems Principles, Association for Computing Machinery, 2023, pp. 281–297.
[Published Version] View | DOI | Download Published Version (ext.) | WoS
 
[31]
2023 | Published | Conference Paper | IST-REx-ID: 14829 | OA
Proof of availability and retrieval in a modular blockchain architecture
S. Cohen, G. Goren, E. Kokoris Kogias, A. Sonnino, A. Spiegelman, in:, 27th International Conference on Financial Cryptography and Data Security, Springer Nature, 2023, pp. 36–53.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
[30]
2022 | Published | Conference Paper | IST-REx-ID: 11331 | OA
Narwhal and Tusk: A DAG-based mempool and efficient BFT consensus
G. Danezis, E. Kokoris Kogias, A. Sonnino, A. Spiegelman, in:, Proceedings of the 17th European Conference on Computer Systems, Association for Computing Machinery, 2022, pp. 34–50.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[29]
2022 | Published | Conference Paper | IST-REx-ID: 12160
Hierarchical consensus: A horizontal scaling framework for blockchains
A. De la Rocha, E. Kokoris Kogias, J.M. Soares, M. Vukolic, in:, 42nd International Conference on Distributed Computing Systems Workshops, Institute of Electrical and Electronics Engineers, 2022, pp. 45–52.
View | DOI | WoS
 
[28]
2022 | Published | Conference Paper | IST-REx-ID: 12300 | OA
Practical asynchronous distributed key generation
S. Das, T. Yurek, Z. Xiang, A. Miller, E. Kokoris Kogias, L. Ren, in:, 2022 IEEE Symposium on Security and Privacy, Institute of Electrical and Electronics Engineers, 2022, pp. 2518–2534.
[Preprint] View | DOI | Download Preprint (ext.)
 
[27]
2022 | Published | Conference Paper | IST-REx-ID: 12229 | OA
Bullshark: DAG BFT protocols made practical
A. Spiegelman, N. Giridharan, A. Sonnino, E. Kokoris Kogias, in:, Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications Security, Association for Computing Machinery, 2022, pp. 2705–2718.
[Preprint] View | DOI | Download Preprint (ext.) | arXiv
 
[26]
2022 | Published | Conference Paper | IST-REx-ID: 12298 | OA
Jolteon and ditto: Network-adaptive efficient consensus with asynchronous fallback
R. Gelashvili, E. Kokoris Kogias, A. Sonnino, A. Spiegelman, Z. Xiang, in:, Financial Cryptography and Data Security, Springer Nature, 2022, pp. 296–315.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[25]
2022 | Published | Conference Paper | IST-REx-ID: 12168 | OA
Be aware of your leaders
S. Cohen, R. Gelashvili, E. Kokoris Kogias, Z. Li, D. Malkhi, A. Sonnino, A. Spiegelman, in:, International Conference on Financial Cryptography and Data Security, Springer Nature, 2022, pp. 279–295.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[24]
2021 | Published | Conference Paper | IST-REx-ID: 10324 | OA
Brick: Asynchronous incentive-compatible payment channels
Z. Avarikioti, E. Kokoris Kogias, R. Wattenhofer, D. Zindros, in:, 25th International Conference on Financial Cryptography and Data Security, Springer Nature, 2021, pp. 209–230.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[23]
2021 | Published | Conference Paper | IST-REx-ID: 10325 | OA
SoK: Communication across distributed ledgers
A. Zamyatin, M. Al-Bassam, D. Zindros, E. Kokoris Kogias, P. Moreno-Sanchez, A. Kiayias, W.J. Knottenbelt, in:, 25th International Conference on Financial Cryptography and Data Security, Springer Nature, 2021, pp. 3–36.
[Preprint] View | DOI | Download Preprint (ext.) | WoS
 
[22]
2021 | Published | Conference Paper | IST-REx-ID: 10553 | OA
Brief announcement: Be prepared when network goes bad: An asynchronous view-change protocol
R. Gelashvili, E. Kokoris Kogias, A. Spiegelman, Z. Xiang, in:, Proceedings of the 2021 ACM Symposium on Principles of Distributed Computing, Association for Computing Machinery, 2021, pp. 187–190.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[21]
2021 | Published | Conference Paper | IST-REx-ID: 10554 | OA
All You Need is DAG
I. Keidar, E. Kokoris Kogias, O. Naor, A. Spiegelman, in:, Proceedings of the 2021 ACM Symposium on Principles of Distributed Computing, Association for Computing Machinery, 2021, pp. 165–175.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
[20]
2021 | Published | Conference Paper | IST-REx-ID: 10076 | OA
Reactive key-loss protection in blockchains
S. Blackshear, K. Chalkias, P. Chatzigiannis, R. Faizullabhoy, I. Khaburzaniya, E. Kokoris Kogias, J. Lind, D. Wong, T. Zakian, in:, FC 2021 Workshops, Springer Nature, 2021, pp. 431–450.
[Preprint] View | DOI | Download Preprint (ext.) | WoS
 
[19]
2020 | Patent | IST-REx-ID: 10557 | OA
Cryptographically verifiable data structure having multi-hop forward and backwards links and associated systems and methods
B. Ford, L. Gasse, E. Kokoris Kogias, P. Jovanovic, (2020).
[Published Version] View | Files available | Download Published Version (ext.)
 
[18]
2020 | Published | Journal Article | IST-REx-ID: 9011 | OA
CALYPSO: Private data management for decentralized ledgers
E. Kokoris Kogias, E.C. Alp, L. Gasser, P. Jovanovic, E. Syta, B. Ford, Proceedings of the VLDB Endowment 14 (2020) 586–599.
[Published Version] View | DOI | Download Published Version (ext.) | WoS
 
[17]
2020 | Submitted | Preprint | IST-REx-ID: 8307 | OA
GRANDPA: A Byzantine finality gadget
A. Stewart, E. Kokoris Kogias, ArXiv (n.d.).
[Preprint] View | DOI | Download Preprint (ext.) | arXiv
 
[16]
2020 | Published | Conference Paper | IST-REx-ID: 10556 | OA
Asynchronous distributed key generation for computationally-secure randomness, consensus, and threshold signatures
E. Kokoris Kogias, D. Malkhi, A. Spiegelman, in:, Proceedings of the 2020 ACM SIGSAC Conference on Computer and Communications Security, Association for Computing Machinery, 2020, pp. 1751–1767.
[Preprint] View | DOI | Download Preprint (ext.) | WoS
 
[15]
2019 | Published | Conference Paper | IST-REx-ID: 8296
Rethinking general-purpose decentralized computing
E.C. Alp, E. Kokoris Kogias, G. Fragkouli, B. Ford, in:, Proceedings of the Workshop on Hot Topics in Operating Systems, ACM, 2019, pp. 105–112.
View | DOI
 
[14]
2019 | Submitted | Preprint | IST-REx-ID: 8303 | OA
Robust and scalable consensus for sharded distributed ledgers
E. Kokoris Kogias, Cryptology EPrint Archive (n.d.).
[Preprint] View | Download Preprint (ext.)
 
[13]
2019 | Submitted | Preprint | IST-REx-ID: 8304 | OA
SoK: Communication across distributed ledgers
A. Zamyatin, M. Al-Bassam, D. Zindros, E. Kokoris Kogias, P. Moreno-Sanchez, A. Kiayias, W.J. Knottenbelt, Cryptology EPrint Archive (n.d.).
[Preprint] View | Download Preprint (ext.)
 
[12]
2019 | Published | Thesis | IST-REx-ID: 8311 | OA
Secure, confidential blockchains providing high throughput and low latency
E. Kokoris Kogias, Secure, Confidential Blockchains Providing High Throughput and Low Latency, École Polytechnique Fédérale de Lausanne, 2019.
[Published Version] View | DOI | Download Published Version (ext.)
 
[11]
2019 | Patent | IST-REx-ID: 8313 | OA
Methods and systems for secure data exchange
B. Ford, L. Gasser, E. Kokoris Kogias, P. Janovic, (2019).
[Published Version] View | Download Published Version (ext.)
 
[10]
2019 | Submitted | Preprint | IST-REx-ID: 8305 | OA
Bootstrapping consensus without trusted setup: Fully asynchronous distributed key generation
E. Kokoris Kogias, A. Spiegelman, D. Malkhi, I. Abraham, Cryptology EPrint Archive (n.d.).
[Preprint] View | Download Preprint (ext.)
 
[9]
2019 | Submitted | Preprint | IST-REx-ID: 8314 | OA
Brick: Asynchronous payment channels
G. Avarikioti, E. Kokoris Kogias, R. Wattenhofer, D. Zindros, ArXiv (n.d.).
[Preprint] View | DOI | Download Preprint (ext.) | arXiv
 
[8]
2019 | Submitted | Preprint | IST-REx-ID: 8315 | OA
Divide and scale: Formalization of distributed ledger sharding protocols
G. Avarikioti, E. Kokoris Kogias, R. Wattenhofer, ArXiv (n.d.).
[Preprint] View | DOI | Download Preprint (ext.) | arXiv
 
[7]
2018 | Published | Conference Paper | IST-REx-ID: 8297 | OA
OmniLedger: A secure, scale-out, decentralized ledger via sharding
E. Kokoris Kogias, P. Jovanovic, L. Gasser, N. Gailly, E. Syta, B. Ford, in:, 2018 IEEE Symposium on Security and Privacy, IEEE, 2018, pp. 583–598.
[Preprint] View | DOI | Download Preprint (ext.)
 
[6]
2018 | Published | Conference Paper | IST-REx-ID: 8298
Channels: Horizontal scaling and confidentiality on permissioned blockchains
E. Androulaki, C. Cachin, A. De Caro, E. Kokoris Kogias, in:, Computer Security, Springer Nature, 2018, pp. 111–131.
View | DOI
 
[5]
2017 | Published | Conference Paper | IST-REx-ID: 8299
Proof-of-personhood: Redemocratizing permissionless cryptocurrencies
M. Borge, E. Kokoris Kogias, P. Jovanovic, L. Gasser, N. Gailly, B. Ford, in:, 2017 IEEE European Symposium on Security and Privacy Workshops, IEEE, 2017.
View | DOI
 
[4]
2017 | Published | Conference Paper | IST-REx-ID: 8301 | OA
CHAINIAC: Proactive software-update transparency via collectively signed skipchains and verified builds
K. Nikitin, E. Kokoris Kogias, P. Jovanovic, L. Gasser, N. Gailly, I. Khoffi, J. Cappos, B. Ford, in:, Proceedings of the 26th USENIX Conference on Security Symposium, USENIX Association, 2017, pp. 1271–1287.
[Published Version] View | Download Published Version (ext.)
 
[3]
2017 | Published | Conference Paper | IST-REx-ID: 8306 | OA
Scalable bias-resistant distributed randomness
E. Syta, P. Jovanovic, E. Kokoris Kogias, N. Gailly, L. Gasser, I. Khoffi, M.J. Fischer, B. Ford, in:, 2017 IEEE Symposium on Security and Privacy, IEEE, 2017, pp. 444–460.
[Preprint] View | DOI | Download Preprint (ext.)
 
[2]
2016 | Published | Conference Paper | IST-REx-ID: 8300
TRM-SIoT: A scalable hybrid trust & reputation model for the social Internet of Things
E. Kokoris Kogias, O. Voutyras, T. Varvarigou, in:, 2016 IEEE 21st International Conference on Emerging Technologies and Factory Automation, IEEE, 2016.
View | DOI
 
[1]
2016 | Published | Conference Paper | IST-REx-ID: 8302 | OA
Enhancing bitcoin security and performance with strong consistency via collective signing
E. Kokoris Kogias, P. Jovanovic, N. Gailly, I. Khoffi, L. Gasser, B. Ford, in:, Proceedings of the 25th USENIX Conference on Security Symposium, USENIX Association, 2016, pp. 279–296.
[Published Version] View | Download Published Version (ext.) | arXiv
 
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