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We give an explicit definition of decentralization and show you that decentralization is almost impossible for the current stage and Bitcoin is the first truly noncentralized currency in the currency history. We propose a new framework of…

Computational Engineering, Finance, and Science · Computer Science 2016-09-12 Xiaochao Qian

Current cryptocurrencies, starting with Bitcoin, build a decentralized blockchain-based transaction ledger, maintained through proofs-of-work that also generate a monetary supply. Such decentralization has benefits, such as independence…

Cryptography and Security · Computer Science 2015-12-21 George Danezis , Sarah Meiklejohn

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…

Cryptography and Security · Computer Science 2020-11-05 Xiaoqi Li , Peng Jiang , Ting Chen , Xiapu Luo , Qiaoyan Wen

Cryptocurrencies gain trust in users by publicly disclosing the full creation and transaction history. In return, the transaction history faithfully records the whole spectrum of cryptocurrency user behaviors. This article analyzes and…

Cryptography and Security · Computer Science 2020-10-05 Xiao Fan Liu , Xin-Jian Jiang , Si-Hao Liu , Chi Kong Tse

As an innovative technology for enhancing authenticity, security, and risk management, blockchain is being widely adopted in trade and finance systems. The unique capabilities of blockchain, such as immutability and transparency, enable new…

Cryptography and Security · Computer Science 2024-02-28 Hanjie Wu , Qian Yao , Zhenguang Liu , Butian Huang , Yuan Zhuang , Huayun Tang , Erwu Liu

In recent years, hype surrounding the proliferation of blockchain-based technology has been significant. Apart from the creation of bitcoin and other cryptocurrencies, it has been difficult to determine what practical utility might lie in…

Computers and Society · Computer Science 2017-10-12 Morgan C. Benton , Nicole M. Radziwill

It is no exaggeration to say that since the introduction of Bitcoin, blockchains have become a disruptive technology that has shaken the world. However, the rising popularity of the paradigm has led to a flurry of proposals addressing…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-08-23 Christopher Natoli , Jiangshan Yu , Vincent Gramoli , Paulo Esteves-Verissimo

Cryptocurrency has been extensively studied as a decentralized financial technology built on blockchain. However, there is a lack of understanding of user experience with cryptocurrency exchanges, the main means for novice users to interact…

Human-Computer Interaction · Computer Science 2022-06-16 Zhixuan Zhou , Bohui Shen

The rise of blockchain technologies has given a boost to social good projects, which are trying to exploit various characteristic features of blockchains: the quick and inexpensive transfer of cryptocurrency, the transparency of…

Computers and Society · Computer Science 2018-11-09 Massimo Bartoletti , Tiziana Cimoli , Livio Pompianu , Sergio Serusi

Blockchain has received expanding interest from various domains. Institutions, enterprises, governments, and agencies are interested in Blockchain potential to augment their software systems. The unique requirements and characteristics of…

Software Engineering · Computer Science 2021-12-15 Mahdi Fahmideh , Anuradha Gunawardana , Shiping Chen , Jun Shen , Brian Yecies

This thesis provides an in-depth exploration of the Decentralized Co-governance Crowdfunding (DCC) Ecosystem, a novel solution addressing prevailing challenges in conventional crowdfunding methods faced by MSMEs and innovative projects.…

Computers and Society · Computer Science 2023-06-05 Bingyou Chen , Yu Luo , Jieni Li , Yujian Li , Ying Liu , Fan Yang , Junge Bo , Yanan Qiao

Blockchain is a growing decentralized system built for transparency and immutability. There have been several major attacks on blockchain-based systems, leaving a gap in the trustability of this system. This article presents a comprehensive…

Cryptography and Security · Computer Science 2024-09-17 Joydip Das , Syed Ashraf Al Tasin , Md. Forhad Rabbi , Md Sadek Ferdous

Proponents of blockchains believe that this technology will revolutionize e-commerce. To evaluate this belief, we invite several groups of students to transact on a decentralized peer-to-peer marketplace built on the platform provided by…

General Economics · Economics 2025-02-14 David Lee Kuo Chuen , Yang Li , Weibiao Xu , Willy Zhao

Decentralization is understood both by professionals in the blockchain industry and general users as a core design goal of permissionless ledgers. However, its meaning is far from universally agreed, and often it is easier to get opinions…

Computers and Society · Computer Science 2026-02-23 Alex Lynham , Geoff Goodell

The concept of a blockchain has given way to the development of cryptocurrencies, enabled smart contracts, and unlocked a plethora of other disruptive technologies. But, beyond its use case in cryptocurrencies, and in network coordination…

Computers and Society · Computer Science 2019-08-21 Irvin Steve Cardenas , Jong-Hoon Kim

Blockchain technology has rapidly evolved from an enabling technology for cryptocurrencies to a potential solution to a wider range of problems found in data-centric and distributed systems. Interest in this area has encouraged many recent…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-08-14 Amir Hussain Zolfaghari , Herbert Daly , Mahdi Nasiri , Roxana Sharifian

Bitcoin's global success has led to the rise of blockchain, but many systems labeled as "blockchain" deviate from its core principles, adding complexity to the ecosystem. This survey addresses the need for a comprehensive review and…

Cryptography and Security · Computer Science 2024-09-30 Badr Bellaj , Aafaf Ouaddah , Noel Crespi , Abdelatif Mezrioui , Emmanuel Bertin

We propose a bitcoin generalization as a solution to the problem of scalability. The block is redefined as a sequence of sub-blocks of increasing sizes that coexist as different levels of compromise between decentralization and transactions…

Cryptography and Security · Computer Science 2018-05-15 Santi J. Vives

Blockchain Technology has revolutionized Finance and Technology with its secure, decentralized, and trust-less methodologies of data management. In a world where asset value fluctuations are unprecedented, it has become increasingly…

Cryptography and Security · Computer Science 2025-02-11 Aaryan Sinha , Raja Muthalagu , Pranav Pawar , Alavikunhu Panthakkan , Shadi Atalla

Cryptocurrency is a novel exploration of a form of currency that proposes a decentralized electronic payment scheme based on blockchain technology and cryptographic theory. While cryptocurrency has the security characteristics of being…

Cryptography and Security · Computer Science 2025-03-31 Zekai Liu , Xiaoqi Li
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