Kavousi, Alireza; Wang, Zhipeng; Jovanovic, Philipp; (2024) SoK: Public Randomness. In: Proceedings - 2024 IEEE 9th European Symposium on Security and Privacy (EuroS&P). (pp. pp. 216-234). IEEE: Vienna, Austria.

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Abstract

Public randomness is a fundamental component in many cryptographic protocols and distributed systems and often plays a crucial role in ensuring their security, fairness, and transparency properties. Driven by the surge of interest in blockchain and cryptocurrency platforms and the usefulness of such a building block in those areas, designing secure protocols to generate public randomness in a distributed manner has received considerable attention in recent years. This paper presents a systematization of knowledge on the topic of public randomness with a focus on cryptographic tools providing public verifiability and key themes underlying these systems. We provide concrete insights on how state-of-the-art protocols achieve this task efficiently in an adversarial setting and present various research gaps that may be of interest for future research.

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