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- W4297779435 abstract "Consensus protocols for asynchronous networks are usually complex and inefficient, leading practical systems to rely on synchronous protocols. This paper attempts to simplify asynchronous consensus by building atop a novel threshold logical clock abstraction, which enables upper layers to operate as if on a synchronous network. This approach yields an asynchronous consensus protocol for fail-stop nodes that may be simpler and more robust than Paxos and its leader-based variants, requiring no common coins and achieving consensus in a constant expected number of rounds. The same approach can be strengthened against Byzantine failures by building on well-established techniques such as tamper-evident logging and gossip, accountable state machines, threshold signatures and witness cosigning, and verifiable secret sharing. This combination of existing abstractions and threshold logical clocks yields a modular, cleanly-layered approach to building practical and efficient Byzantine consensus, distributed key generation, time, timestamping, and randomness beacons, and other critical services." @default.
- W4297779435 created "2022-10-01" @default.
- W4297779435 creator A5045962151 @default.
- W4297779435 date "2019-07-16" @default.
- W4297779435 modified "2023-10-14" @default.
- W4297779435 title "Threshold Logical Clocks for Asynchronous Distributed Coordination and Consensus" @default.
- W4297779435 doi "https://doi.org/10.48550/arxiv.1907.07010" @default.
- W4297779435 hasPublicationYear "2019" @default.
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