Welcome to the resource topic for 2022/597
Title:
Foundations of Dynamic BFT
Authors: Sisi Duan, Haibin Zhang
Abstract:This paper studies dynamic BFT, where replicas can join and leave the system dynamically, a primitive that is nowadays increasingly needed. We provide a formal treatment for dynamic BFT protocols, endowing them with a flexible syntax and various security definitions. We demonstrate the challenges of extending static BFT to dynamic BFT. Then we design and implement Dyno, a highly efficient dynamic BFT protocol under the partial synchrony model. We show that Dyno can seamlessly handle membership changes without incurring performance degradation.
ePrint: https://eprint.iacr.org/2022/597
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