Filters








23 Hits in 5.3 sec

Toward Uncensorable, Anonymous and Private Access Over Satoshi Blockchains [article]

Ruben Recabarren, Bogdan Carbunar
2021 arXiv   pre-print
and private access, built on top of commercial cryptocurrency transactions.  ...  In this paper we leverage the distributed and resilient nature of commercial Satoshi blockchains to develop the first provably secure, censorship resistant, cost-efficient storage system with anonymous  ...  A blockchain-based censorship resistant system that provides private network access also provides anonymous network access. Proof.  ... 
arXiv:2110.08422v1 fatcat:3tqa2l7xljbwfdne247ofzqviy

Toward Uncensorable, Anonymous and Private Access Over Satoshi Blockchains

Ruben Recabarren, Bogdan Carbunar
2021 Proceedings on Privacy Enhancing Technologies  
and private access, built on top of commercial cryptocurrency transactions.  ...  UWeb organizes blockchain-stored content for easy retrieval, and enables clients to store and access content with provable anonymity, privacy and censorship resistance properties.  ...  Acknowledgments This research was supported by NSF grants CNS-2013671 and CNS-2114911, and CRDF grant G-202105-67826. This publication is based on work supported by  ... 
doi:10.2478/popets-2022-0011 fatcat:d5bkmjp7xbevrnlcdtyy2aynne

Tithonus: A Bitcoin Based Censorship Resilient System

Ruben Recabarren, Bogdan Carbunar
2019 Proceedings on Privacy Enhancing Technologies  
We propose solutions to securely request and transfer content, with unobservability and censorship resistance, and free, pay-per-access and subscription based payment options.  ...  In this paper we introduce Tithonus, a framework that builds on the Bitcoin blockchain and network to provide censorship-resistant communication mechanisms.  ...  Acknowledgments We thank the shepherd and the anonymous reviewers for their excellent feedback. This research was supported by NSF grant CNS-1526494.  ... 
doi:10.2478/popets-2019-0005 dblp:journals/popets/RecabarrenC19 fatcat:2pjsytmi7faphmcykdq2wo5zau

Tithonus: A Bitcoin Based Censorship Resilient System [article]

Ruben Recabarren, Bogdan Carbunar
2018 arXiv   pre-print
We propose solutions to securely request and transfer content, with unobservability and censorship resistance, and free, pay-per-access and subscription based payment options.  ...  In this paper we introduce Tithonus, a framework that builds on the Bitcoin blockchain and network to provide censorship-resistant communication mechanisms.  ...  Acknowledgments We thank the shepherd and the anonymous reviewers for their excellent feedback. This research was supported by NSF grant CNS-1526494.  ... 
arXiv:1810.00279v1 fatcat:47eagj5sj5cfpgmjo6fx4kpof4

Exploring Web3 From the View of Blockchain [article]

Qin Wang, Rujia Li, Qi Wang, Shiping Chen, Mark Ryan, Thomas Hardjono
2022 arXiv   pre-print
We narrow down the connotation of Web3 by separating it from high-level controversy argues and, instead, focusing on its protocol, architecture, and evaluation from the perspective of blockchain fields  ...  Meanwhile, we also discuss opportunities and challenges surrounding the Web3 space and answer several prevailing questions from communities.  ...  The data should be protected for its integrity and prevented from unauthorized access or faking, or compromising. -Anonymity. Anonymity refers to hiding the identities of acting persons.  ... 
arXiv:2206.08821v1 fatcat:weqq4xm3ybhqfi4wzn7sx7u2ae

Cryptocurrency Networks: A New P2P Paradigm

Sergi Delgado-Segura, Cristina Pérez-Solà, Jordi Herrera-Joancomartí, Guillermo Navarro-Arribas, Joan Borrell
2018 Mobile Information Systems  
By characterizing the most relevant cryptocurrency network, Bitcoin, we provide details on different properties of cryptocurrency networks and their similarities and differences with standard P2P network  ...  Cryptocurrency P2P networks have new characteristics that propose new challenges and avoid some problems of existing P2P networks.  ...  TIN2014-55243-P and the Catalan AGAUR grant 2014SGR-691.  ... 
doi:10.1155/2018/2159082 fatcat:zlgfl5hzlnehbngpc4x2sibopy

Taxonomy of Centralization in Public Blockchain Systems: A Systematic Literature Review [article]

Ashish Rajendra Sai, Jim Buckley, Brian Fitzgerald, Andrew Le Gear
2020 arXiv   pre-print
As this increased centralization has an impact the security of the blockchain, it is crucial that it is measured, towards adequate control.  ...  We believe that this review and taxonomy provides a comprehensive overview of centralization in decentralized blockchains involving various conceptualizations and measures.  ...  Acknowledgements This work was supported, in part, by Science Foundation Ireland grant 13/RC/2094 and co-funded under the European Regional Development Fund through the Southern Eastern Regional Operational  ... 
arXiv:2009.12542v1 fatcat:lnjspro4onapfj254gurrjcxz4

Central Bank Digital Currencies: Preliminary Legal Observations

Hossein Nabilou
2019 Social Science Research Network  
It may pose risks to central banks' monopoly over issuing base money, to price stability, to the smooth operation of payment systems, to the conduct of monetary policy, and to the stability of credit institutions  ...  and the financial system.  ...  For more details, see: Nick Szabo, "Money, Blockchains, and Social Scalability," Unenumerated (February 09, 2017). 7 Satoshi Nakamoto, "Bitcoin: A Peer-to-Peer Electronic Cash System," (2008) . 8 For  ... 
doi:10.2139/ssrn.3329993 fatcat:kebzkqbfkrfklfx2usp6na6jpa

Taxonomy of centralization in public blockchain systems: A systematic literature review

Ashish Rajendra Sai, Jim Buckley, Brian Fitzgerald, Andrew Le Gear
2021 Information Processing & Management  
As this increased centralization has an impact the security of the blockchain, it is crucial that it is measured, towards adequate control.  ...  We believe that this review and taxonomy provides a comprehensive overview of centralization in decentralized blockchains involving various conceptualizations and measures.  ...  Acknowledgments This work was supported, in part, by Science Foundation Ireland grant 13/RC/2094 and co-funded under the European Regional Development Fund through the Southern Eastern Regional Operational  ... 
doi:10.1016/j.ipm.2021.102584 fatcat:3vmxu4ynffc7jofbsdxtlmrhry

Full Text PDF of The JBBA, Volume 2 Issue 2, October 2019

Naseem Naqvi
2019 The Journal of British Blockchain Association  
The anonymity in the blockchain network means that it is prone to "Sybil attacks" and "51% attacks."  ...  over the token issuer's assets exists [ In 2017, the regulatory posture towards open token offerings in the U.S., Switzerland, and the Cayman Islands was relatively less proactive.  ...  However, given the usefulness of blockchain and its rising popularity, we expect that in the next few years accessibility will increase, and use cases will multiply.  ... 
doi:10.31585/jbba-2-2-(full)2019 fatcat:lsnv4wnuhvhpne33puatdc4p4e

Money and Trust in Metaverses, Bitcoin and Stablecoins in global social XR [article]

John Joseph O'Hare, Allen Fairchild, Umran Ali
2022 arXiv   pre-print
Metaverse technology is over-viewed, primarily from the perspective of Bitcoin and extended reality.  ...  A high level overview of Web3 technologies leads to a description of blockchain, and the Bitcoin network is specifically selected for detailed examination.  ...  It now seems plausible that the world is moving toward a plurality of national and private digital currencies.  ... 
arXiv:2207.09460v2 fatcat:l2zcoloatvhvzmta4cw52ggdju

The Evolution of Currency: Cash to Cryptos to Sovereign Digital Currencies

Anton Didenko, Ross P. Buckley
2018 Social Science Research Network  
In 2009, Bitcoin created a world-first decentralized alternative currency that has spawned over 1,700 imitations by private parties.  ...  Existing taxonomies of currency struggle with the speed of change (frequently due to inadequate understanding of the underlying technology) and, as a result, remain incomplete and filled with confusing  ...  has proven so strong that lawmakers in Arizona included in recent legislation that data on a blockchain "is immutable and auditable and provides an uncensored truth." 22 This surprisingly maximalist approach  ... 
doi:10.2139/ssrn.3256066 fatcat:osjsmrizrbgwjh42ze74wrinwe

The Looming Threat of China: An Analysis of Chinese Influence on Bitcoin [article]

Ben Kaiser, Mireya Jurado, Alex Ledger
2018 arXiv   pre-print
, and control over its domestic Internet infrastructure.  ...  We explore the relationship between China and Bitcoin, document China's motivation to undermine Bitcoin, and present a case study to demonstrate the strong influence that China has over Bitcoin.  ...  The only required capabilities are access to the blockchain and marginal compute power to run the analytics, so these attacks are not unique to China; virtually anyone could commit them.  ... 
arXiv:1810.02466v1 fatcat:pb2o6ucifnhv5gfrtbt6giu6vi

Blockchain and journalism: the intersection between blockchain-based technology and freedom of the press [article]

Meredith Veit, University, My, Jónatas Machado
2019
This will ensure that essential stories do not die along with journalists who are assassinated while covering them and that those investigating the murders have greater access to pivotal evidence.  ...  The author argues that an important use of blockchain could be to establish a journalistic version of a 'last will and testament.'  ...  At the same time, its use of public and private keys provides anonymity and privacy.  ... 
doi:10.25330/global-campus/53 fatcat:qg4ztka2ofe43bwj3ht6prqxhu

Survey on decentralized applications [article]

Γεώργιος Τσαμπάς, Georgios Tsampas, University Of Piraeus, Χρήστος Ξενάκης, Christos Xenakis
2022
First and foremost, I would like to thank my supervisor prof. Christos Xenakis for his patience, motivation and immense knowledge.  ...  Also, I would like to thank PhD candidate, Vaios Bolgouras for providing invaluable guidance and my tutors, Constantinos Lambrinoudakis, Stefanos Gritzalis, Christoforos Dadoyan, Lilian Mitrou, Panagiotis  ...  In addition to the above, blockchain procures anonymity, each blockchain network participant has a generated address and not a user identity.  ... 
doi:10.26267/unipi_dione/1591 fatcat:el5xfczvzzcndcd6pjmlcqbg2m
« Previous Showing results 1 — 15 out of 23 results