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Modeling Coordinated vs. P2P Mining: An Analysis of Inefficiency and Inequality in Proof-of-Work Blockchains
[article]
2021
arXiv
pre-print
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In this paper, we propose a simple model of a proof-of-work blockchain with latencies for both the P2P and the coordinated settings. ...
We study efficiency in a proof-of-work blockchain with non-zero latencies, focusing in particular on the (inequality in) individual miners' efficiencies. ...
This work has also been partially supported by MIAI @ Grenoble Alpes (ANR-19-P3IA-0003) and by the French National Research Agency through grant ANR-20-CE23-0007. ...
arXiv:2106.02970v1
fatcat:ckthuzh54neltnyadrqx52xrfe
SBTMS: Scalable Blockchain Trust Management System for VANET
2021
Applied Sciences
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Vehicles check the validity of the received messages using the proposed Bayesian formula for trust management system and some information saved in the Blockchain. ...
Our experimental results show that the proposed system is effective, scalable and dependable in data gathering, computing, organization, and retrieval of trust values in VANET. ...
Examples of proof options include proof of work, stocks proof, proof of capacity, proof
of space, proof of elapsed time, proof of burning, proof of activity, proof of power, ...
doi:10.3390/app112411947
fatcat:baqj3no56zgaxedqjzvyr3rvya
A Survey of State-of-the-Art on Blockchains: Theories, Modelings, and Tools
[article]
2020
arXiv
pre-print
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2020 pre-print arXiv:2007.03520v1 fatcat:wfxsf6nc2ncarhect6qo3kaw3m
We wish this survey can serve as a useful guideline for researchers, engineers, and educators about the cutting-edge development of blockchains in the perspectives of theories, modelings, and tools. ...
of blockchain systems and networks. ...
In Monoxide proposed by [73] , the authors have devised a novel proof-of-work scheme, named Chu-ko-nu mining. ...
arXiv:2007.03520v2
fatcat:3lvd5dhkajdhbcwlh6vtdl7nlq
Toward a Formal Scholarly Understanding of Blockchain-Mediated Decentralization: A Systematic Review and a Framework
2020
Frontiers in Blockchain
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Blockchain-mediated decentralization appears to have unique characteristics reflecting an idiosyncratic set of authority-related values prevalent in so-called "crypto" online communities. ...
This work analyses blockchain-mediated decentralization based on a systematic review of the scholarly understanding of the term 'decentralization' across multiple disciplines from computer to political ...
ACKNOWLEDGMENTS We want to thank the reviewers and the editor for their valuable contributions. ...
doi:10.3389/fbloc.2020.00035
fatcat:qmal2chgn5a4xeopw33ddk42pe
Block-by-Block: Leveraging the Power of Blockchain Technology to Build Trust and Promote Cyber Peace
2016
Social Science Research Network
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This Article seeks to address this omission by analyzing the potential impact of blockchain technology on advancing the cybersecurity of firms across an array of sectors and industries with a particular ...
Moreover, we examine the rise of blockchains through the lens of the literature on polycentric governance to ascertain what lessons this research holds to build trust in distributed systems and ultimately ...
Proofs-of-Work Proofs-of-work are a fundamental technology underlying blockchains. ...
doi:10.2139/ssrn.2874090
fatcat:cjfjndmzwrhm5puq52hyvgnr34
Technological Populism and Its Archetypes: Blockchain and Cryptocurrencies
2019
Social Science Research Network
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While the system works well enough for most transactions, it still suffers from the inherent weaknesses of the trust-based model. cryptocurrencies by mining. 137 The non-expert users may need to store ...
We do not discuss the legitimate and limited use cases of blockchain 12 as that goes beyond the scope and purpose of our analysis. ...
doi:10.2139/ssrn.3379756
fatcat:gsmlqltsrfhsjdubbnppglae6m
Digital Contact Tracing Powered By Blockchain.pdf
2020
figshare.com
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vaccinations relating to the virus and its symptoms, with the aim of containing, preventing the spread of the virusand intercepting a possible recurrence of the pandemic by using blockchain. ...
deadlines, this paper aims to explore and consider possible solutions that could be put in place to keep borders safe from spill overs of COVID-19 by tracking travellers, and their medical records and ...
/mckinsey-digital/our-insights/blockchain-beyond-the-hype-what-is-the-strategic-business-value
BLOCKCHAIN SWOT ANALYSIS As there might be both centralized and decentralized models to coordinate our ...
doi:10.6084/m9.figshare.13330871.v1
fatcat:huqqp2hr25dgjj3gucqrdoozzu
Beyond Bitcoin: Leveraging Blockchain to Benefit Business and Society
2019
Social Science Research Network
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Proof
of authority does not require a mining mechanism involved. Hyperledger and Ripple are
based on Proof of Authority. Narayan Prusty, What is Proof-of-Authoriy Consensus? ...
Additionally, blockchain allows for the tracking of goods and data in real time, which enables more timely and accurate analysis. ...
the blockchain to post contracts and proof of payments. 435 443 DeBeers hopes to have all players from miners to retailers on the platform and will also add in a KYC component. ...
doi:10.2139/ssrn.3443675
fatcat:jusej567zrgijlixcmlrrfdcju
Toxicity Analysis and Cry Gene Profiling of Bacillus Thuringiensis Isolated from Western Ghats of Tamil Nadu State, India
2018
Proceedings of the Indian National Science Academy
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In fact, there were methods of storing like Quipu of Incas and tools for calculating like Chinese counting rods. ...
There are various evidences of calculation as an ancient activity [Tedre, 2014] that dates back to Babylonian days used for varieties of navigational, astronomical and other day-to-day needs. ...
A block is a unit of successfully completed work -therefore aptly named as blockchain.
Proof-of-Work It is an algorithmic crux of the Bitcoin system, where nodes are incentivized to do work. ...
doi:10.16943/ptinsa/2018/49413
fatcat:2w6rohpbava5zh6m26tsiz7qky
Data Provenance
2019
SIGMOD record
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with a small amount of coordination. ...
An invariant confluent object can be efficiently replicated with no coordination needed to preserve its invariants. ...
This work was supported in part by a Hellman Fellowship and by the NIDDK of the NIH under award number R01DK114945. ...
doi:10.1145/3316416.3316418
fatcat:u4lmbha4fjgajlc46r66ryh7vi
The Sharing Economy in Europe
[article]
2022
Zenodo
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The book will help in understanding the future (sharing) economy models as well as to contribute in solving questions of better access to resources and sustainable innovation in the context of degrowth ...
and growing inequalities within and between societies. ...
New forms of Acknowledgements The authors would like to thank Dr. Cary Yungmee Hendrickson for the insightful comments and generous feedback on prior drafts of this chapter. ...
doi:10.5281/zenodo.5905748
fatcat:rk5iix2effhu3nn6hokitppine
Multiple Dimensions of Community Network Scalability
[chapter]
2019
Zenodo
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Publication of the netCommons project ...
Acknowledgements This work was carried out in the context of the MAZI project (2016)(2017)(2018) which has received funding from the European Union's Horizon
Acknowledgements This work was funded by ...
The work would not have been possible without the generous effort of the guifi.net community and other community networks as part of the Dynamic Coalition on Community Connectivity (DC3). ...
doi:10.5281/zenodo.2560603
fatcat:iox3mfxejzbm3pslqrcirwf5la
DOWNLOAD THE ENTIRE SPECIAL SECTION HERE
2016
tripleC: Communication, Capitalism & Critique
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millions of people in the proliferation of information, knowledge and active democratic collaboration? ...
On the other hand, the rise of new and progressive social-economic foundations is the result of an unprecedented increase of information and communication technologies (ICTs). ...
Acknowledgement: The authors would like to thank the tripleC editors, two anonymous reviewers, and Sy Adler for insightful comments on an earlier version of this paper. ...
doi:10.31269/triplec.v14i1.746
fatcat:mpnzo4loxbgyvdartoyglguzhm
Smart city - smart grid - smart contract
2020
unpublished
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All of this can facilitate the participation in green electricity generation and contribute towards a more sustainable power grid. ...
Owing to blockchain-based smart contracts, prosumers are encouraged to get involved in direct trade using the peer-to-peer network. ...
proof of work to be checked against. ...
doi:10.25365/thesis.64417
fatcat:377v5ihxrfbxhcdmfw6ea2j3cq
Exploring The Research Landscape Of Social Innovation – A Deliverable Of The Project Social Innovation Community (Sic)
2017
Zenodo
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The report reflects upon these communites seperatly and provides an overview of the current research landscape in Europe and beyond. ...
The findings of the report can be used by all those who work in social innovation and are looking for new opportunities to get involved with a community, which is growing in a very dynamic way. ...
ZSI uses a transdisciplinary approach in different areas of action. The centre's work combines research, consulting, network coordination and education into an overall concept. ...
doi:10.5281/zenodo.825169
fatcat:edphq4stf5byxlts473srvkyde
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