Special Issue "Blockchain-Based Systems"

A special issue of Computers (ISSN 2073-431X).

Deadline for manuscript submissions: closed (31 December 2019).

Special Issue Editor

Prof. Dr. Wenbing Zhao
Website
Guest Editor
Department of Electrical Engineering and Computer Science, Cleveland State University, Ohio, 44011, USA
Interests: human computer interaction; rehabilitation; computer vision; distributed systems
Special Issues and Collections in MDPI journals

Special Issue Information

Dear Colleagues,

Blockchain is the key enabling technology for cryptocurrency. It was introduced as part of the first cryptocurrency, Bitcoin, which was established during the great recession in early 2009. Blockchain is often referred to as a distributed and secure database. In reality, blockchain is much more than that: It consists of a mechanism that ensures distributed consensus among independent participants operating in an untrusted peer-to-peer network. As such, blockchain has now been used in areas far beyond the financial sector. In addition to the applications of blockchain, there is also intense research on the foundation of the blockchain technology itself, such as different ways to accomplish distributed consensus, security of blockchain, and scalability of blockchain. This Special Issue welcomes original research and review articles on all aspects of the blockchain technology. Topics of interest include but are not limited to the following areas:

  • Consensus algorithms;
  • Cyberattacks on blockchains;
  • Economic impact on cyberattacks;
  • Security and trust on permissioned blockchains;
  • Scalability of blockchains;
  • Reliability analysis on blockchain-based systems;
  • Smart contracts;
  • Visualization of blockchain data;
  • Blockchain for banking and finance;
  • Blockchain for supply chain;
  • Blockchain for consumer products and retail;
  • Blockchain for governments;
  • Blockchain for automotive;
  • Blockchain for medicine and health care;
  • Blockchain for travel and transportation;
  • Blockchain for Internet of Things;
  • Blockchain for agriculture.

Prof. Dr. Wenbing Zhao
Guest Editor

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. Computers 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) for publication in this open access journal is 1000 CHF (Swiss Francs). 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
  • proof of work
  • proof of stake
  • distributed consensus
  • secure ledger
  • smart tracts
  • cryptocurrency

Published Papers (2 papers)

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Research

Open AccessArticle
Leveraging Blockchain Technology to Break the Cloud Computing Market Monopoly
Computers 2020, 9(1), 9; https://doi.org/10.3390/computers9010009 - 10 Feb 2020
Cited by 1
Abstract
Cloud computing offerings traditionally originate from a handful of large and well established providers, which monopolize the market, preventing small players and individuals from having a share. As a result, the few, blindly and perforce trusted entities define the prices and manage to [...] Read more.
Cloud computing offerings traditionally originate from a handful of large and well established providers, which monopolize the market, preventing small players and individuals from having a share. As a result, the few, blindly and perforce trusted entities define the prices and manage to gain a significant competitive advantage by exploiting the knowledge derived by users’ data and computations. To tackle this monopoly and empower the democratization and full decentralization of the cloud computing market, we present CloudAgora, a platform that enables any potential resource provider, ranging from individuals to large companies, to monetize idle resources competing on equal terms, and allows any cloud consumer to enjoy access to low-cost storage and computation without having to trust any central authority. The key enabler of the platform is Blockchain technology, which is used to record commitment policies through the use of smart contracts, publicly verify off-chain services, both storage and computation related, and trigger automatic micropayments. On one hand, cloud consumers have the chance to request storage or compute resources, upload data, and outsource task processing over remote, fully distributed infrastructures. Although such infrastructures cannot be a priori trusted, CloudAgora offers mechanisms to ensure the verifiable validity of the outsourced storage and computation, discourage potential providers from behaving maliciously, and incentivize participants to play fair. On the other hand, providers are able to participate in auctions, placing bids for storage or computation tasks, serve requests, and offer validity proofs upon request. Our prototype is built as a Dapp on top of Ethereum and is available as an open source project. Full article
(This article belongs to the Special Issue Blockchain-Based Systems)
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Open AccessArticle
DeliveryCoin: An IDS and Blockchain-Based Delivery Framework for Drone-Delivered Services
Computers 2019, 8(3), 58; https://doi.org/10.3390/computers8030058 - 06 Aug 2019
Cited by 6
Abstract
In this paper, we propose an intrusion detection system (IDS) and Blockchain-based delivery framework, called DeliveryCoin, for drone-delivered services. The DeliveryCoin framework consists of four phases, including system initialization phase, creating the block, updating the blockchain, and intrusion detection phase. To achieve privacy-preservation, [...] Read more.
In this paper, we propose an intrusion detection system (IDS) and Blockchain-based delivery framework, called DeliveryCoin, for drone-delivered services. The DeliveryCoin framework consists of four phases, including system initialization phase, creating the block, updating the blockchain, and intrusion detection phase. To achieve privacy-preservation, the DeliveryCoin framework employs hash functions and short signatures without random oracles and the Strong Diffie–Hellman (SDH) assumption in bilinear groups. To achieve consensus inside the blockchain-based delivery platform, we introduce a UAV-aided forwarding mechanism, named pBFTF. We also propose an IDS system in each macro eNB (5G) for detecting self-driving network attacks as well as false transactions between self-driving nodes. Furthermore, extensive simulations are conducted, and results confirm the efficiency of our proposed DeliveryCoin framework in terms of latency of blockchain consensus and accuracy. Full article
(This article belongs to the Special Issue Blockchain-Based Systems)
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