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Blockchain technology has emerged as one of the most transformative digital innovations of the 21st century. This paper presents a comprehensive review of blockchain's fundamental architecture, tracing its development from Bitcoin's initial…

密码学与安全 · 计算机科学 2025-05-14 Aditya Pratap Singh

Public blockchains provide a decentralized method for storing transaction data and have many applications in different sectors. In order for users to track transactions, a simple method is to let them keep a local copy of the entire public…

密码学与安全 · 计算机科学 2018-11-13 Lei Xu , Lin Chen , Zhimin Gao , Shouhuai Xu , Weidong Shi

A peer-to-peer network, enabling different parties to jointly store and run computations on data while keeping the data completely private. Enigma's computational model is based on a highly optimized version of secure multi-party…

密码学与安全 · 计算机科学 2015-06-12 Guy Zyskind , Oz Nathan , Alex Pentland

The rapid expansion of the use of blockchain-based systems often leads to a choice between customizable private blockchains and more secure, scalable and decentralized but expensive public blockchains. This choice represents the trade-off…

密码学与安全 · 计算机科学 2023-06-06 Thomas Lavaur , Jonathan Detchart , Jérôme Lacan , Caroline P. C. Chanel

More than 1000 distributed ledger technology (DLT) systems raising $600 billion in investment in 2016 feature the unprecedented and disruptive potential of blockchain technology. A systematic and data-driven analysis, comparison and…

计算机与社会 · 计算机科学 2022-03-29 Mark C. Ballandies , Marcus M. Dapp , Evangelos Pournaras

This review focuses on the evolution of cloud computing and distributed ledger technologies (blockchains) over the last decade. Cloud computing relies mainly on a conceptually centralized service provisioning model, while blockchain…

分布式、并行与集群计算 · 计算机科学 2018-05-15 Magnus Westerlund , Nane Kratzke

This paper proposes a decentralized, blockchain-based system for the publication of Common Vulnerabilities and Exposures (CVEs), aiming to mitigate the limitations of the current centralized model primarily overseen by MITRE. The proposed…

密码学与安全 · 计算机科学 2025-05-02 Novruz Amirov , Kemal Bicakci

Blockchain technology streamlines multi-party collaborations in decentralized settings, especially when trust is limited or difficult to establish. While public blockchains enhance transparency and reliability by replicating data across all…

Blockchain offers traceability and transparency to supply chain event data and hence can help overcome many challenges in supply chain management such as: data integrity, provenance and traceability. However, data privacy concerns such as…

密码学与安全 · 计算机科学 2021-04-30 Sidra Malik , Volkan Dedeoglu , Salil Kanhere , Raja Jurdak

Although blockchains have become widely popular for their use in cryptocurrencies, they are now becoming pervasive as more traditional applications adopt blockchain to ensure data security. Despite being a secured network, blockchains have…

分布式、并行与集群计算 · 计算机科学 2024-12-10 Faisal Haque Bappy , Tariqul Islam , Tarannum Shaila Zaman , Md Sajidul Islam Sajid , Mir Mehedi Ahsan Pritom

Blockchain technology, a foundational distributed ledger system, enables secure and transparent multi-party transactions. Despite its advantages, blockchain networks are susceptible to anomalies and frauds, posing significant risks to their…

密码学与安全 · 计算机科学 2024-02-20 Joerg Osterrieder , Stephen Chan , Jeffrey Chu , Yuanyuan Zhang , Branka Hadji Misheva , Codruta Mare

In this paper, we develop BlockMarkchain, as a secure data market place, where individual data sellers can exchange certified data with buyers, in a secure environment, without any mutual trust among the parties, and without trusting on a…

密码学与安全 · 计算机科学 2020-03-26 Hamidreza Ehteram , Mohammad Taha Toghani , Mohammad Ali Maddah-Ali

Blockchain has become a popular emergent technology in many industries. It is suitable for a broad range of applications, from its base role as an immutable distributed ledger to the deployment of distributed applications. Many…

密码学与安全 · 计算机科学 2022-12-20 Inwon Kang , Aparna Gupta , Oshani Seneviratne

Multi-Agent Systems, a division of Intelligent Systems diversely applied in multiple disciplines. Desired for their efficiency in solving complex problems at a low cost. However, identified vulnerabilities include system security,…

多智能体系统 · 计算机科学 2022-12-26 Chelsea R. Woodward

The widespread adoption of blockchain technology has amplified the spectrum of potential threats to its integrity and security. The ongoing quest to exploit vulnerabilities emphasizes how critical it is to expand on current research…

密码学与安全 · 计算机科学 2024-04-30 Kaustubh Dwivedi , Ankit Agrawal , Ashutosh Bhatia , Kamlesh Tiwari

Blockchain as a digital ledger for keeping records of digital transactions and other information, it is secure and decentralized technology. The globally growing number of digital population every day possesses a significant threat to…

密码学与安全 · 计算机科学 2023-11-03 Naresh Kshetri , James Hutson , Revathy G

Increasingly, information systems rely on computational, storage, and network resources deployed in third-party facilities such as cloud centers and edge nodes. Such an approach further exacerbates cybersecurity concerns constantly raised…

密码学与安全 · 计算机科学 2022-06-07 Runhua Xu , Chao Li , James Joshi

Since its inception, the blockchain technology has shown promising application prospects. From the initial cryptocurrency to the current smart contract, blockchain has been applied to many fields. Although there are some studies on the…

密码学与安全 · 计算机科学 2020-11-05 Xiaoqi Li , Peng Jiang , Ting Chen , Xiapu Luo , Qiaoyan Wen

The increasing adoption of Cloud-based data processing and storage poses a number of privacy issues. Users wish to preserve full control over their sensitive data and cannot accept it to be fully accessible to an external storage provider.…

密码学与安全 · 计算机科学 2015-03-30 Francesco Pagano

Modern blockchain systems are a fresh look at the paradigm of distributed computing, applied under assumptions of large-scale public networks. They can be used to store and share information without a trusted central party. There has been…

数据库 · 计算机科学 2018-03-19 Sara Cohen , Aviv Zohar