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Blockchain systems have received much attention and promise to revolutionize many services. Yet, despite their popularity, current blockchain systems exist in isolation, that is, they cannot share information. While interoperability is…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-04-24 Enrique Fynn , Alysson Bessani , Fernando Pedone

The Metaverse, an immersive virtual world, has emerged as a shared space where people engage in various activities ranging from social interactions to commerce. Cryptocurrencies [3] and Non-Fungible Tokens (NFTs) [6] play pivotal roles…

Human-Computer Interaction · Computer Science 2024-05-10 Syed Ali Asif , Emma Cao , Hang Chen , Chien-Chung Shen , Yan-Ming Chiou

The energy consumption and related carbon emissions of cryptocurrencies such as Bitcoin are subject to extensive discussion in public, academia, and industry. As cryptocurrencies continue their journey into mainstream finance, incentives to…

Computers and Society · Computer Science 2023-03-21 Ulrich Gallersdörfer , Lena Klaaßen , Christian Stoll

This paper provides an overview of how crypto currency and blockchain engineering interacts with the law enforcement. We point out that a large proportion of crypto users are amateur investors and the dominant and the largest segment in…

Cryptography and Security · Computer Science 2021-09-03 Nicolas T. Courtois , Kacper T. Gradon , Klaus Schmeh

Cryptocurrencies as a new way of transferring assets and securing financial transactions have gained popularity in recent years. Transactions in cryptocurrencies are publicly available, hence, statistical studies on different aspects of…

Social and Information Networks · Computer Science 2019-09-17 Amir Pasha Motamed , Behnam Bahrak

Since the initial launch of Bitcoin by Satoshi Nakamoto in 2009, decentralized digital currencies have long been of major interest in both the academia and the industry. Till today, there are more than 3000 different cryptocurrencies over…

Cryptography and Security · Computer Science 2020-10-06 Xinyuan Zhang

The internet era has generated a requirement for low cost, anonymous and rapidly verifiable transactions to be used for online barter, and fast settling money have emerged as a consequence. For the most part, e-money has fulfilled this…

Cryptography and Security · Computer Science 2015-08-19 Gareth W. Peters , Efstathios Panayi , Ariane Chapelle

This study explores the intersection of technological innovation and environmental sustainability in the context of Bitcoin mining. With Bitcoin's growing adoption, concerns surrounding the energy consumption and environmental impact of…

Computers and Society · Computer Science 2024-11-15 Mohammad Ikbal Hossain , Tanja Steigner

We characterize digital cash as the digital equivalent of physical cash: secure, fungible, decentralized, directly controlled, privacy-preserving; but enhanced with qualitatively new functionality. It is extremely efficiently transferable…

Cryptography and Security · Computer Science 2022-11-29 Søren Debois , Fritz Henglein , Morten C. Nielsen , Christian Olesen , Gert Sylvest

This paper highlights the necessity to use modern blockchain technology in traditional banking sector to reduce frauds and enable high-security transactions on a permanent blockchain ledger. Reviewing different channels through which the…

Cryptography and Security · Computer Science 2022-06-10 Rishav Kumar

Technology has positive impacts on many aspects of our social life. Designing a 24hour globally connected architecture enables ease of access to a variety of resources and services. Furthermore, technology like Internet has been a fertile…

Cryptography and Security · Computer Science 2018-07-04 Freya Sheer Hardwick , Apostolos Gioulis , Raja Naeem Akram , Konstantinos Markantonakis

Cryptocurrencies such as Bitcoin and Ethereum have recently gained a lot of popularity, not only as a digital form of currency but also as an investment vehicle. Online marketplaces and exchanges allow users across the world to convert…

Discrete Mathematics · Computer Science 2018-07-17 Francesco Bortolussi , Zeger Hoogeboom , Frank W. Takes

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

Bitcoin and other similar digital currencies on blockchains are not ideal means for payment, because their prices tend to go up in the long term (thus people are incentivized to hoard those currencies), and to fluctuate widely in the short…

Computers and Society · Computer Science 2019-05-17 Kenji Saito , Mitsuru Iwamura

We study the fundamental differences that separate: Litecoin; Bitcoin Gold; Bitcoin Cash; Ethereum; and Zcash from Bitcoin, and draw analysis to how these features are appreciated by the market, to ultimately make an inference as to how…

General Finance · Quantitative Finance 2021-01-12 Andrew Spurr , Marcel Ausloos

A decade long thrive of cryptocurrency has shown its potential as a source of alternative-finance and the security and the robustness of the underpinning blockchain technology. However, most cryptocurrencies fail to show inimitability and…

Cryptography and Security · Computer Science 2020-03-24 Yibin Xu , Yangyu Huang , Jianhua Shao

Blockchains and cryptocurrencies disrupted the conversion of energy into a medium of exchange. Numerous applications for blockchains and cryptocurrencies are now envisioned for purposes ranging from inventory control to banking…

Cryptography and Security · Computer Science 2021-01-05 Felipe Ribas Coutinho , Victor Pires , Claudio Miceli , Daniel Sadoc Menasche

Cryptocurrencies, enabling secure digital asset transfers without a central authority, are experiencing increasing interest. With the increasing number of global and Turkish investors, it is evident that interest in digital assets will…

Cryptocurrencies are a digital medium of exchange with decentralized control that renders the community operating the cryptocurrency its sovereign. Leading cryptocurrencies use proof-of-work or proof-of-stake to reach consensus, thus are…

General Finance · Quantitative Finance 2020-07-07 Gal Shahaf , Ehud Shapiro , Nimrod Talmon

In this study the cross-correlations between the cryptocurrency market represented by the two most liquid and highest-capitalized cryptocurrencies: bitcoin and ethereum, on the one side, and the instruments representing the traditional…

Statistical Finance · Quantitative Finance 2023-03-02 Marcin Wątorek , Jarosław Kwapień , Stanisław Drożdż