Special Issue "Advances of Blockchain Technology and Its Applications"

A special issue of Cryptography (ISSN 2410-387X).

Deadline for manuscript submissions: closed (30 November 2018)

Special Issue Editors

Guest Editor
Prof. Dr. Kouichi Sakurai

Department of Informatics, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
Website | E-Mail
Phone: +81 92 802 3666
Fax: +81 92 802 3666
Interests: information security; cryptography, multimedia security; mobile technology; web-application technology; copyright protection
Co-Guest Editor
Prof. Dr. Yong Yu

School of Computer Science, Shaanxi Normal University, Xi'an, 710062, China
Website | E-Mail
Interests: blockchain and its application; cryptography and its applications; secure cloud computing
Co-Guest Editor
Dr. Yannan Li

School of Computing and Information Technology, University of Wollongong, Wollongong, NSW 2522, Australia
E-Mail
Interests: cryptography; secure cloud storage; cryptocurrencies

Special Issue Information

Dear Colleagues,

Blockchain is a distributed database maintained by all participants in a system and secured by public key cryptography. Blockchain technology is one of the most disruptive technologies that impacts research, as well as industries. The advances of blockchain technology have contributed a great deal to change the way in traditional industries, ranging from finance to trade, manufacturing, and more. However, due to the nascent nature of blockchain technology, it is not widely applied to real-life implementations. The aim of this Special Issue is to publish high-quality papers with state-of-the-art solutions regarding blockchain technology and its applications to promote the adoption of this technology in more areas. Potential topics of this Special Issue include, but are not limited to, the following:

  • Cryptocurrency
  • Smart contract
  • Ethereum
  • Blockchain security
  • Blockchain standard
  • Blockchain adoption
  • Opportunity and threats in blockchain
  • Blockchain and IoT
  • Blockchain and healthcare
  • Blockchain and trade finance
  • Blockchain and government
  • Blockchain and energy

Prof. Kouichi Sakurai
Prof. Yong Yu
Dr. Yannan Li
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Cryptography is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) is waived for well-prepared manuscripts submitted to this issue. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Blockchain
  • Cryptocurrency
  • Ethereum
  • Smart Contract

Published Papers (3 papers)

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Research

Open AccessArticle Automating Privacy Compliance Using Policy Integrated Blockchain
Received: 1 December 2018 / Revised: 31 January 2019 / Accepted: 31 January 2019 / Published: 5 February 2019
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Abstract
An essential requirement of any information management system is to protect data and resources against breach or improper modifications, while at the same time ensuring data access to legitimate users. Systems handling personal data are mandated to track its flow to comply with [...] Read more.
An essential requirement of any information management system is to protect data and resources against breach or improper modifications, while at the same time ensuring data access to legitimate users. Systems handling personal data are mandated to track its flow to comply with data protection regulations. We have built a novel framework that integrates semantically rich data privacy knowledge graph with Hyperledger Fabric blockchain technology, to develop an automated access-control and audit mechanism that enforces users’ data privacy policies while sharing their data with third parties. Our blockchain based data-sharing solution addresses two of the most critical challenges: transaction verification and permissioned data obfuscation. Our solution ensures accountability for data sharing in the cloud by incorporating a secure and efficient system for End-to-End provenance. In this paper, we describe this framework along with the comprehensive semantically rich knowledge graph that we have developed to capture rules embedded in data privacy policy documents. Our framework can be used by organizations to automate compliance of their Cloud datasets. Full article
(This article belongs to the Special Issue Advances of Blockchain Technology and Its Applications)
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Open AccessArticle Applications of Blockchain Technology in Medicine and Healthcare: Challenges and Future Perspectives
Received: 6 November 2018 / Revised: 14 December 2018 / Accepted: 26 December 2018 / Published: 2 January 2019
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Abstract
Blockchain technology has gained considerable attention, with an escalating interest in a plethora of numerous applications, ranging from data management, financial services, cyber security, IoT, and food science to healthcare industry and brain research. There has been a remarkable interest witnessed in utilizing [...] Read more.
Blockchain technology has gained considerable attention, with an escalating interest in a plethora of numerous applications, ranging from data management, financial services, cyber security, IoT, and food science to healthcare industry and brain research. There has been a remarkable interest witnessed in utilizing applications of blockchain for the delivery of safe and secure healthcare data management. Also, blockchain is reforming the traditional healthcare practices to a more reliable means, in terms of effective diagnosis and treatment through safe and secure data sharing. In the future, blockchain could be a technology that may potentially help in personalized, authentic, and secure healthcare by merging the entire real-time clinical data of a patient’s health and presenting it in an up-to-date secure healthcare setup. In this paper, we review both the existing and latest developments in the field of healthcare by implementing blockchain as a model. We also discuss the applications of blockchain, along with the challenges faced and future perspectives. Full article
(This article belongs to the Special Issue Advances of Blockchain Technology and Its Applications)
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Open AccessArticle Provably Secure Covert Communication on Blockchain
Cryptography 2018, 2(3), 18; https://doi.org/10.3390/cryptography2030018
Received: 29 June 2018 / Revised: 9 August 2018 / Accepted: 13 August 2018 / Published: 20 August 2018
Cited by 1 | PDF Full-text (366 KB) | HTML Full-text | XML Full-text
Abstract
Blockchain is a public open ledger that provides data integrity in a distributed manner. It is the underlying technology of cryptocurrencies and an increasing number of related applications, such as smart contracts. The open nature of blockchain together with strong integrity guarantees on [...] Read more.
Blockchain is a public open ledger that provides data integrity in a distributed manner. It is the underlying technology of cryptocurrencies and an increasing number of related applications, such as smart contracts. The open nature of blockchain together with strong integrity guarantees on the stored data makes it a compelling platform for covert communication. In this paper, we suggest a method of securely embedding covert messages into a blockchain. We formulate a simplified ideal blockchain model based on existing implementations and devise a protocol that enables two parties to covertly communicate through the blockchain following that model. We also formulate a rigorous definition for the security and covertness of such a protocol based on computational indistinguishability. Finally, we show that our method satisfies this definition in the random oracle model for the underlying cryptographic hash function. Full article
(This article belongs to the Special Issue Advances of Blockchain Technology and Its Applications)
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