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Ismail Khoffi

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Related publications (4)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Scalable Bias-Resistant Distributed Randomness

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

Bias-resistant public randomness is a critical component in many (distributed) protocols. Existing solutions do not scale to hundreds or thousands of participants, as is needed in many decentralized systems. We propose two large-scale distributed protocols ...

IEEE2017

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

Linus Gasser, Nicolas Gailly, Kirill Nikitin, Eleftherios Kokoris Kogias, Bryan Alexander Ford, Ismail Khoffi, Philipp Svetolik Jovanovic

Software-update mechanisms are critical to the security of modern systems, but their typically centralized design presents a lucrative and frequently attacked target. In this work, we propose CHAINIAC, a decentralized software-update framework that elimina ...

USENIX Association2017

Enhancing Bitcoin Security and Performance with Strong Consistency via Collective Signing

Linus Gasser, Nicolas Gailly, Bryan Alexander Ford, Ismail Khoffi, Philipp Svetolik Jovanovic

While showing great promise, Bitcoin requires users to wait tens of minutes for transactions to commit, and even then, offering only probabilistic guarantees. This paper introduces ByzCoin, a novel Byzantine consensus protocol that leverages scalable colle ...

USENIX Association2016