Aleph: A Leaderless, Asynchronous, Byzantine Fault Tolerant Consensus Protocol

Gągol, Adam; Świętek, Michał

doi:10.48550/arxiv.1810.05256

Cited by 2 publications

(2 citation statements)

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“…These include Tendermint [11], Hotstuff [12], and Casper CBC [13]. There has also been recent work on leaderless protocols, including Hashgraph [14], Avalanche [15], DBFT [16], and Aleph [17], which do not require having a single proposer or leader for each round of consensus. The Blizzard protocol described in this paper is a leaderless BFT protocol that is designed to allow mobile devices to participate in the consensus by leveraging online brokers.…”

Section: Related Workmentioning

confidence: 99%

Blizzard: A Distributed Consensus Protocol for Mobile Devices

Kiamari,

Krishnamachari,

Yun

2024

Mathematics

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We present Blizzard, a Byzantine fault tolerant (BFT) distributed ledger protocol that is aimed at making mobile devices first-class citizens in the consensus process. Blizzard introduces a novel two-tier architecture by having the mobile nodes communicate through online brokers, and includes a decentralized matching scheme to ensure each node connects to a certain number of random brokers. Through mathematical analysis, we derive a guaranteed safety region (i.e., the set of ratios of malicious nodes and malicious brokers for which the safety is assured) for the Blizzard protocol. Liveness is shown as well. We analyze the performance of Blizzard in terms of its throughput, latency, and message complexity. Through experiments based on a software implementation, we show that Blizzard is capable of throughput on the order of several thousand transactions per second per shard and sub-second confirmation latency.

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Section: Related Workmentioning

confidence: 99%

Blizzard: A Distributed Consensus Protocol for Mobile Devices

Kiamari,

Krishnamachari,

Yun

2024

Mathematics

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“…More recently, in the context of Blockchain, several new leader-based consensus solutions have been proposed that improve the speed of BFT consensus under partial synchrony assumptions -these include Tendermint [10], Hotstuff [11] and Casper CBC [12]. There has also been recent work on leaderless protocols, including Hashgraph [13], Avalanche [14], DBFT [15] and Aleph [16], which do not require that there be a single proposer or leader for each round of consensus. [17], Hashgraph [13], Avalanche [14], and Helix [18].…”

Section: Consensusmentioning

confidence: 99%

Blizzard: a Distributed Consensus Protocol for Mobile Devices

Kiamari¹,

Krishnamachari²,

Naveed³

et al. 2022

Preprint

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We present Blizzard, a Byzantine Fault Tolerant (BFT) distributed ledger protocol that is aimed at making mobile devices first-class citizens in the consensus process. Blizzard introduces a novel two-tier architecture by having the mobile nodes communicate through online brokers, and includes a decentralized matching scheme to ensure each node connects to a certain number of random brokers. Through mathematical analysis, we derive a guaranteed safety region (i.e. the set of ratios of malicious nodes and malicious brokers for which the safety is assured) for the Blizzard protocol. Liveness is shown as well. We analyze the performance of Blizzard in terms of its throughput, latency and message complexity. Through experiments based on a software implementation, we show that Blizzard is capable of throughput on the order of several thousand transactions per second per shard, and sub-second confirmation latency.

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Aleph: A Leaderless, Asynchronous, Byzantine Fault Tolerant Consensus Protocol

Cited by 2 publications

References 0 publications

Blizzard: A Distributed Consensus Protocol for Mobile Devices

Blizzard: A Distributed Consensus Protocol for Mobile Devices

Blizzard: a Distributed Consensus Protocol for Mobile Devices

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