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A Survey on Security and Privacy in Blockchain-based Central Bank Digital Currencies

Yunyoung Lee, Bumho Son, Seongwan Park, Jaewook Lee, Huisu Jang
2021 Journal of Internet Services and Information Security  
Although the CBDC system architecture is deeply related to the legacy payment system and the public blockchain system, security and privacy issues of the CBDC are completely different from those of the  ...  existing systems as the purpose of the CBDC is to achieve auditable privacy.  ...  In the context of permissioned ledgers, [4] presents a privacy-preserving token management system for permissioned blockchains that also supports fine-grained auditing.  ... 
doi:10.22667/jisis.2021.08.31.016 dblp:journals/jisis/LeeSP0J21 fatcat:m73qjf2pg5em3lncvgvw6woqb4

The Data Processing Approach for Preserving Personal Data in FinTech-Driven Paradigm

Kyongjin Kim, Sengphil Hong
2016 International Journal of Security and Its Applications  
In trend of Korea particularly, the high penetration of smartphones and mobile payment services suggest significant potential demand for smartphone-based electronic payment services as shown in figure  ...  There is one challenge on how secure that we face in this environment. Key growth area of FinTech is in finding more efficient methods for ensuring privacy and security.  ...  distributes verifying authority by using a digital token among all peers in the blockchain 2 .  ... 
doi:10.14257/ijsia.2016.10.10.30 fatcat:oaevmgnuifhjfeez6wz3vz7oe4

A Design for a Secure Energy Market Trading System in a National Wholesale Electricity Market

Aklilu Daniel Tesfamicael, Vicky Liu, Matthew McKague, William Caelli, Ernest Foo
2020 IEEE Access  
In this paper, we address security architectures required of the energy market trading system in an Australian context, we propose a cryptocurrency token-based structure and a smart contract that provides  ...  Although blockchain technology has been studied for energy trading on a peer-to-peer microgrid trading, to our knowledge none of the previous work focused on using blockchain for trading energy in a national  ...  to the Ethereum blockchain to preserve privacy and anonymity for Ethereum's smart contract.  ... 
doi:10.1109/access.2020.3009356 fatcat:wvtdddn44zcsjafd2mbmlucege

Fed-DDM: A Federated Ledgers based Framework for Hierarchical Decentralized Data Marketplaces [article]

Ronghua Xu, Yu Chen
2021 arXiv   pre-print
in privacy preservation.  ...  Thanks to decentralization, immutability, and auditability, Blockchain is promising to enable a tamper-proof and trust-free framework to enhance performance and security issues in centralized DMs.  ...  Compared with Trinity, which is a blockchain-enabled publish-subscribe system, Fed-DDM is aimed to build a scalable, efficient, security and privacy-preserving DDM platform. B.  ... 
arXiv:2104.05583v1 fatcat:4h2dcmihwvew5imuyu5pz6smkm

PrivChain: Provenance and Privacy Preservation in Blockchain enabled Supply Chains [article]

Sidra Malik, Volkan Dedeoglu, Salil Kanhere, Raja Jurdak
2021 arXiv   pre-print
In this work, we propose a privacy-preservation framework, PrivChain, to protect sensitive data on blockchain using zero knowledge proofs.  ...  Although consortium blockchains only allow authorised supply chain entities to read/write to the ledger, privacy preservation of trade secrets cannot be ascertained.  ...  Another solution proposed by Hyperledger Fabric [8] , a permissioned blockchain platform, is the use of private channels for privacy preservation.  ... 
arXiv:2104.13964v1 fatcat:djgtsh773vgqbcp2zwh7kv66zq

SmartCoAuth: Smart-Contract privacy preservation mechanism on querying sensitive records in the cloud [article]

Muhammed Siraj, Mohd. Izuan Hafez Hj. Ninggal, Nur Izura Udzir, Muhammad Daniel Hafiz Abdullah, Aziah Asmawi
2020 arXiv   pre-print
In this paper, we propose a framework based on Blockchain technology to enable privacy-preservation in a secured, decentralized, transparent and trustless environment.  ...  The proposed framework provides a satisfactory level of data utility and privacy preservation.  ...  The main contributions in this paper are: 1) Propose a pluggable Blockchain-based query authentication and authorization model, SmartCoAuth, to complement traditional systems for privacy-preservation and  ... 
arXiv:2004.02543v1 fatcat:65q2mbkwojgbhco2e4m5hy7tpm

Accelerating Genomic Data Generation and Facilitating Genomic Data Access Using Decentralization, Privacy-Preserving Technologies and Equitable Compensation

Dennis Grishin, Kamal Obbad, Preston Estep, Kevin Quinn, Sarah Wait Zaranek, Alexander Wait Zaranek, Ward Vandewege, Tom Clegg, Nico César, Mirza Cifric, George Church
2018 Blockchain in Healthcare Today  
Acknowledgments The authors would like to thank Armon Rahim and Nathaniel Tucker for their help in reviewing this article.  ...  To this end, CWL pipelines can be stored in private repositories, and access by Crunch may require a smart contract-mediated token payment to the pipeline developer.  ...  Blockchain Frameworks Blockchain technology has three use cases in the proposed system.  ... 
doi:10.30953/bhty.v1.34 fatcat:bgjyvrf54vglljkwskkl5dvwfu

A Self-Controllable and Balanced Data Sharing Model

Xiangqian Dong, Bing Guo, Yan Shen, Xuliang Duan, Yuncheng Shen, Hong Zhang
2019 IEEE Access  
auditing, which make data sharing in a dilemma.  ...  In this paper, we propose a distributed data sharing model based on blockchain technology: data owner publishes data with an additional control policy; data consumer inquires data with an access request  ...  Third, data consumer inquires data in a balanced price. Fourth, all transactions are done in an auditable and traceable way.  ... 
doi:10.1109/access.2019.2931982 fatcat:a4ekgu7drbg33bwjeckjmmzk2q

When Blockchain Meets Auction Models: A Survey, Some Applications, and Challenges [article]

Zeshun Shi, Cees de Laat, Paola Grosso, Zhiming Zhao
2021 arXiv   pre-print
to design incentive and consensus protocols in blockchain architectures.  ...  In this paper, we conduct a comprehensive state-of-the-art survey of these two research topics.  ...  [83] proposed a privacy-preserving scheme for direct power transactions in microgrids, in which a continuous double auction is combined with a permissioned blockchain to reduce costs and improve transaction  ... 
arXiv:2110.12534v1 fatcat:tpy2cv7sz5dc3dpchnmrniab5e

Blockchain for Cities—A Systematic Literature Review

Charles Shen, Feniosky Pena-Mora
2018 IEEE Access  
At the micro-level, we identify a component-based framework and analyze the design and prototypes of blockchain systems studied in a subset of 71 papers.  ...  We also offer two classification methodologies for blockchain use cases and elaborate on how they can be applied to stimulate cross-sector insights in the blockchain knowledge domain.  ...  Some of the surveyed systems also apply symmetric key encryption to preserve content privacy, such as records in a blockchain system that preserves author contributions on paper editing [88] and records  ... 
doi:10.1109/access.2018.2880744 fatcat:4hi2oy4t3rex7irdzfbjafxwxq

An Anonymous Trust-Marking Scheme on Blockchain Systems

Teppei Sato, Keita Emura, Tomoki Fujitani, Kazumasa Omote
2021 IEEE Access  
In this paper, we propose an anonymous trust-marking scheme on blockchain systems that is universally applicable to any cryptocurrency.  ...  During the Coincheck incident, which recorded the largest damages in cryptocurrency history in 2018, it was demonstrated that using Mosaic token can have a certain effect.  ...  [4] proposed a privacy-preserving and auditable token management system for permissioned blockchain systems such as Hyperledger Fabric [3] .  ... 
doi:10.1109/access.2021.3097710 fatcat:snlutzgzonhfbbf3arcy7osa7i

Ethereum based Smart Contracts for Trade and Finance

Rishabh Garg
2022 Zenodo  
Blockchain - the decentralized global ledger technology provides a potentially attractive alternate to organize modern finance.  ...  Instead, blockchain can provide single version of the truth, in real time, regardless of constraints, to all participants across the organizational boundaries.  ...  In order to resolve privacy concern, Del Rio [21] proposed a notary based blockchain system, in which no node in the system has the complete set of information.  ... 
doi:10.5281/zenodo.5854730 fatcat:vs6ww3tjv5haphe6ptpwvhrgbe

Blockchain Technology for Collaborative Information Systems (Dagstuhl Seminar 18332)

Marlon Dumas, Richard Hull, Jan Mendling, Ingo Weber, Michael Wagner
2019 Dagstuhl Reports  
These opportunities and challenges were discussed in the Dagstuhl Seminar 18332 "Blockchain Technology for Collaborative Information Systems".  ...  Blockchain technology enables an evolving set of parties to maintain a safe, permanent, and tamper-proof ledger of transactions without a central authority.  ...  HyperPubSub provides secure and privacy-preserving messaging, which is audited using blockchains for validation and monetization purposes.  ... 
doi:10.4230/dagrep.8.8.67 dblp:journals/dagstuhl-reports/DumasHMW18 fatcat:7kpenl76ivf7pkkmm3kqgwu6wi

An Anonymous Trust-Marking Scheme on Blockchain Systems [article]

Teppei Sato and Keita Emura and Tomoki Fujitani and Kazumasa Omote
2021 arXiv   pre-print
In this paper, we propose an anonymous trust-marking scheme on blockchain systems that is universally applicable to any cryptocurrency.  ...  During the Coincheck incident, which recorded the largest damages in cryptocurrency history in 2018, it was demonstrated that using Mosaic token can have a certain effect.  ...  [3] proposed a privacy-preserving and auditable token management system for permissioned blockchain systems such as Hyperledger Fabric [2] .  ... 
arXiv:2010.00206v3 fatcat:wlqcvtdruraivnzcihrezad5ju

Some Simple Economics of the Blockchain

Christian Catalini, Joshua S. Gans
2016 Social Science Research Network  
We build on economic theory to discuss how blockchain technology can shape innovation and competition in digital platforms.  ...  by increased competition, lower barriers to entry, and a lower privacy risk.  ...  a privacy-preserving way.  ... 
doi:10.2139/ssrn.2874598 fatcat:3ab7mhd5bnfapjbitzqkey6fj4
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