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Blockchain is one of the most discussed and highly accepted technologies, primarily due to its application in almost every field where third parties are needed for trust. Blockchain technology relies on distributed consensus for trust,…

密码学与安全 · 计算机科学 2022-02-02 Arman Rasoodl Faridi , Faraz Masood , Ali Haider Thabet Shamsan , Mohammad Luqman , Monir Yahya Salmony

Many blockchain platform are subject to maximal value extraction (MEV), and users on the platform are losing money while sending transactions because the transaction order can be manipulated to extract value from them. Consensus protocols…

密码学与安全 · 计算机科学 2024-01-05 Bowen Xue , Sreeram Kannan

Clustering is a standard approach for achieving efficient and scalable performance in wireless sensor networks. Traditionally, clustering algorithms aim at generating a number of disjoint clusters that satisfy some criteria. In this paper,…

网络与互联网体系结构 · 计算机科学 2013-04-09 Moustafa Youssef , Adel Youssef , Mohamed Younis

The success of blockchain as the underlying technology for cryptocurrencies has opened up possibilities for its use in other application domains as well. The main advantages of blockchain for its potential use in other domains are its…

网络与互联网体系结构 · 计算机科学 2019-06-21 Mehrdad Salimitari , Mainak Chatterjee

The Hashgraph consensus algorithm is an algorithm for asynchronous Byzantine fault tolerance intended for distributed shared ledgers. Its main distinguishing characteristic is it achieves consensus without exchanging any extra messages;…

计算机科学中的逻辑 · 计算机科学 2026-02-24 Karl Crary

We introduce Unity Interleave, a new consensus algorithm for public blockchain settings. It is an eventual consistency protocol merging the Proof-of-Work (PoW) and Proof-of-Stake (PoS) into a coherent stochastic process. It builds upon…

密码学与安全 · 计算机科学 2019-11-22 Yao Sun , Aayush Rajasekaran

Applying DevOps practices to machine learning system is termed as MLOps and machine learning systems evolve on new data unlike traditional systems on requirements. The objective of MLOps is to establish a connection between different…

软件工程 · 计算机科学 2024-02-21 Pir Sami Ullah Shah , Naveed Ahmad , Mirza Omer Beg

Inconsistent outputs and hallucinations from large language models (LLMs) are major obstacles to reliable AI systems. When different proprietary reasoning models (RMs), such as those by OpenAI, Google, Anthropic, DeepSeek, and xAI, are…

人工智能 · 计算机科学 2025-05-07 Kolawole E. Ogunsina , Morayo A. Ogunsina

A hard-fork reconfiguration of the peer to peer Bitcoin network is described that substitutes tamper-evident logs and proof-of-stake consensus for proof-of-work consensus. The block creation rewards and transaction fees are reallocated to…

计算机与社会 · 计算机科学 2014-05-23 Stephen L. Reed

The security foundation of blockchain system relies primarily on classical cryptographic methods and consensus algorithms. However, the advent of quantum computing poses a significant threat to conventional public-key cryptosystems based on…

密码学与安全 · 计算机科学 2026-02-13 Fei Xu , Cheng Ye , Jie OuYang , Ziqiang Wu , Haoze Chen , An Hua , Meifeng Gao , Qiandong Zhang , Minghan Li , Feilong Li , Yajun Miao , Wei Qi

Consensus algorithms play a critical role in blockchains and directly impact their performance. During consensus processing, nodes need to validate and order the pending transactions into a new block, which requires verifying the…

密码学与安全 · 计算机科学 2023-05-29 Wanxin Li , Collin Meese , Mark Nejad , Hao Guo

Nakamoto consensus, the protocol underlying Bitcoin, has the potential to secure a new class of systems which agree on non-mathematical truths. As an example of this capability, we propose a design for a trustless, data availability oracle.…

密码学与安全 · 计算机科学 2019-10-24 Jason Teutsch

Blockchain-based IoT systems can manage IoT devices and achieve a high level of data integrity, security, and provenance. However, incorporating the existing consensus protocols in many IoT systems limits scalability and leads to high…

密码学与安全 · 计算机科学 2023-05-29 Hao Guo , Wanxin Li , Mark Nejad

Translation is important for cross-language communication, and many efforts have been made to improve its accuracy. However, less investment is conducted in aligning translations with human preferences, such as translation tones or styles.…

计算与语言 · 计算机科学 2024-10-16 Shuqiao Sun , Yutong Yao , Peiwen Wu , Feijun Jiang , Kaifu Zhang

The growing interest in reliable multi-party applications has fostered widespread adoption of Byzantine Fault-Tolerant (BFT) consensus protocols. Existing BFT protocols need f more replicas than Paxos-style protocols to prevent equivocation…

数据库 · 计算机科学 2022-11-03 Suyash Gupta , Sajjad Rahnama , Shubham Pandey , Natacha Crooks , Mohammad Sadoghi

The popularization of blockchains leads to a resurgence of interest in Byzantine Fault-Tolerant (BFT) state machine replication protocols. However, much of the work on this topic focuses on the underlying consensus protocols, with emphasis…

分布式、并行与集群计算 · 计算机科学 2020-05-01 Alysson Bessani , Eduardo Alchieri , João Sousa , André Oliveira , Fernando Pedone

The paper presents Tendermint, a new protocol for ordering events in a distributed network under adversarial conditions. More commonly known as Byzantine Fault Tolerant (BFT) consensus or atomic broadcast, the problem has attracted…

分布式、并行与集群计算 · 计算机科学 2019-11-25 Ethan Buchman , Jae Kwon , Zarko Milosevic

This paper presents a partially synchronous BFT consensus protocol powered by BBCA, a lightly modified Byzantine Consistent Broadcast (BCB) primitive. BBCA provides a Complete-Adopt semantic through an added probing interface to allow…

分布式、并行与集群计算 · 计算机科学 2024-05-28 Dahlia Malkhi , Chrysoula Stathakopoulou , Maofan Yin

This paper concerns the consensus of discrete-time multi-agent systems with linear or linearized dynamics. An observer-type protocol based on the relative outputs of neighboring agents is proposed. The consensus of such a multi-agent system…

系统与控制 · 计算机科学 2011-09-20 Zhongkui Li , Zhisheng Duan , Guanrong Chen

Regardless of their variations, blockchains require a consensus mechanism to validate transactions, supervise added blocks, maintain network security, synchronize the network state, and distribute incentives. Proof-of-Work (PoW), one of the…

分布式、并行与集群计算 · 计算机科学 2024-07-25 Amirreza Sokhankhosh , Sara Rouhani