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Blockchain Lab

Publications

Ran Cohen, Juan Garay, and Vassilis Zikas
Completeness Theorems for Adaptively Secure Broadcast
43rd International Cryptology Conference - Crypto 2023 – (To Appear)

Yu Long Chen, Wonseok Choi, and Changmin Lee
Improved Multi-User Security Using the Squared-Ratio Method
43rd International Cryptology Conference - Crypto 2023 (To Appear)

Michele Ciampi, Rafail Ostrovsky, Hendrik Waldner, and Vassilis Zikas
Round-Optimal and Communication-Efficient Multiparty Computation
Advances in Cryptology — EUROCRYPT 2022.
A preliminary full version is available (PDF)

Michele Ciampi, Yun Lu, and Vassilis Zikas
Collusion-Preserving Computation without a Mediator
IEEE Computer Security Foundations Symposium —CSF 2022.
A preliminary full version is available (PDF)

John Andrews, Michele Ciampi, and Vassilis Zikas
Etherless Ethereum Tokens: Simulating Native Tokens in Ethereum
Symposium on Cyber Security, Cryptology and Machine Learning —CSCML 2022.
Best Paper Award!
A preliminary full version is available (PDF)

Michele Ciampi, Muhammad Ishaq, Malik Magdon-Ismail, Rafail Ostrovsky and Vassilis Zikas
FairMM: A Fast and Frontrunning-Resistant Crypto Market-Maker
Symposium on Cyber Security, Crypto logy and Machine Learning —CSCML 2022.
A preliminary full version is available (PDF)

Christian Badertscher, Yun Lu, and Vassilis Zikas
A Rational Protocol Treatment of 51% Attacks
Advances in Cryptology — CRYPTO 2021, LNCS, Springer, vol 12827, pp 3–32, 2021.
A preliminary full version is available (PDF)

Christian Badertscher, Peter Gazi, Aggelos Kiayias, Alexander Russell, and Vassilis Zikas
Dynamic Ad Hoc Clock Synchronization via Proof of Stake
Advances in Cryptology — EUROCRYPT 2021, LNCS, Springer, vol 12698, pp 399–428, 2021.
A preliminary full version is available (PDF)

Christian Badertscher, Julia Hesse, and Vassilis Zikas
On the (Ir)Replaceability of Global Setups, or How (Not) to Use a Global Ledger
Theory of Cryptography Conference — TCC 2021, LNCS, Springer, vol 13043, pp 626–657, 2021.
A preliminary full version is available (PDF)