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Centralized version control systems (VCS) are vital for software development but pose risks of data loss and ownership disputes. While blockchain offers a decentralized alternative, existing solutions are often hindered by high latency,…

Business process collaboration between independent parties can be challenging, especially if the participants do not have complete trust in each other. Tracking actions and enforcing the activity authorizations of participants via…

密码学与安全 · 计算机科学 2023-11-14 Balázs Ádám Toldi , Imre Kocsis

Large Language Models (LLMs) have emerged as powerful tools across various domains within cyber security. Notably, recent studies are increasingly exploring LLMs applied to the context of blockchain security (BS). However, there remains a…

密码学与安全 · 计算机科学 2025-03-25 Zheyuan He , Zihao Li , Sen Yang , He Ye , Ao Qiao , Xiaosong Zhang , Xiapu Luo , Ting Chen

Blockchain technology (BT) Ethereum Smart Contracts allows programmable transactions that involve the transfer of monetary assets among peers on a BT network independent of a central authorizing agency. Ethereum Smart Contracts are programs…

密码学与安全 · 计算机科学 2021-05-21 Noama Fatima Samreen , Manar H. Alalfi

This paper introduces a deterministic Byzantine consensus algorithm that relies on a new weak coordinator. As opposed to previous algorithms that cannot terminate in the presence of a faulty or slow coordinator, our algorithm can terminate…

分布式、并行与集群计算 · 计算机科学 2018-07-26 Tyler Crain , Vincent Gramoli , Mikel Larrea , Michel Raynal

Blockchain consensus protocols enable participants to agree on consistent views of the blockchain that may be ahead or behind relative to each other but do not fork into different chains. A number of recently popular…

计算机科学中的逻辑 · 计算机科学 2025-04-24 Alessandro Coglio , Eric McCarthy

With the advent of clean energy awareness and systems that rely on extensive battery usage, the community has seen an increased interest in the development of more complex and secure Battery Management Systems (BMS). In particular, the…

密码学与安全 · 计算机科学 2023-11-10 Fikret Basic , Christian Steger , Christian Seifert , Robert Kofler

Blockchains add transactions to a distributed shared ledger by arriving at consensus on sets of transactions contained in blocks. This provides a total ordering on a set of global transactions. However, total ordering is not enough to…

密码学与安全 · 计算机科学 2024-08-27 Anshuman Misra , Ajay D. Kshemkalyani

Large Language Models (LLMs) have achieved remarkable success across a wide range of applications. However, individual LLMs often produce inconsistent, biased, or hallucinated outputs due to limitations in their training corpora and model…

密码学与安全 · 计算机科学 2025-05-09 Haoxiang Luo , Gang Sun , Yinqiu Liu , Dongcheng Zhao , Dusit Niyato , Hongfang Yu , Schahram Dustdar

With the advent of blockchain technology, multiple research avenues and platforms for dialogue have opened up. However technology transfer to the pubic has not been implemented, such that regular public can access and make use of secure and…

计算机与社会 · 计算机科学 2019-09-04 Projjal Gupta

Pipelined Byzantine Fault Tolerant (BFT) consensus is fundamental to permissioned blockchains. However, many existing protocols are limited by the requirement for view-consecutive quorum certificates (QCs). This constraint impairs…

分布式、并行与集群计算 · 计算机科学 2025-09-23 Kaiji Yang , Jingjing Zhang , Junyao Zheng , Qiwen Liu , Weigang Wu , Jieying Zhou

Scalability remains one of the biggest challenges to the adoption of permissioned blockchain technologies for large-scale deployments. Permissioned blockchains typically exhibit low latencies, compared to permissionless deployments --…

密码学与安全 · 计算机科学 2021-09-22 Giorgia Azzurra Marson , Sebastien Andreina , Lorenzo Alluminio , Konstantin Munichev , Ghassan Karame

Blockchain-based decentralized identity management provides a promising solution to improve the security and privacy of healthcare systems and make them scalable. Traditional Identity Management Systems are centralized, which makes them…

密码学与安全 · 计算机科学 2023-08-01 Arnaf Aziz Torongo , Mohsen Toorani

SURFACE, standing for Secure, Use-case adaptive, and Relatively Fork-free Approach of Chain Extension, is a consensus algorithm that is designed for real-world networks and enjoys the benefits from both the Nakamoto consensus and Byzantine…

分布式、并行与集群计算 · 计算机科学 2020-08-17 Zhijie Ren , Ziheng Zhou

We present Carnot, a leader-based Byzantine Fault Tolerant (BFT) consensus protocol that is responsive and operates under the partially synchronous model. Responsive BFT consensus protocols exhibit wire-speed operation and deliver…

分布式、并行与集群计算 · 计算机科学 2023-09-04 Mohammad M. Jalalzai , Alexander Mozeika , Marcin P. Pawlowski , Ganesh Narayanaswamy

Blockchain protocols typically aspire to run in the permissionless setting, in which nodes are owned and operated by a large number of diverse and unknown entities, with each node free to start or stop running the protocol at any time. This…

分布式、并行与集群计算 · 计算机科学 2024-03-05 Andrew Lewis-Pye , Tim Roughgarden

Many of the key enabling technologies of the fifth-generation (5G), such as network slicing, spectrum sharing, and federated learning, rely on a centralized authority. This may lead to pitfalls in terms of security or single point of…

网络与互联网体系结构 · 计算机科学 2022-06-23 Shiva Kazemi Taskou , Mehdi Rasti , Pedro H. J. Nardelli

The Metaverse is rapidly evolving, bringing us closer to its imminent reality. However, the widespread adoption of this new automated technology poses significant research challenges in terms of authenticity, integrity, interoperability,…

密码学与安全 · 计算机科学 2023-07-21 Khadija Manzoor , Umara Noor , Zahid Rashid

Thanks to rapid technological advances in the Internet of Things (IoT), a smart public safety (SPS) system has become feasible by integrating heterogeneous computing devices to collaboratively provide public protection services. While a…

网络与互联网体系结构 · 计算机科学 2019-02-28 Ronghua Xu , Seyed Yahya Nikouei , Yu Chen , Erik Blasch , Alex Aved

Blockchain is a distributed ledger, which is protected against malicious modifications by means of cryptographic tools, e.g. digital signatures and hash functions. One of the most prominent applications of blockchains is cryptocurrencies,…

密码学与安全 · 计算机科学 2019-12-20 E. O. Kiktenko , M. A. Kudinov , A. K. Fedorov