blockchain security issues


A survey of blockchain security issues and challenges.
free download
Blockchain technologies is one of the most popular issue in recent years, it has already changed peoples lifestyle in some area due to its great influence on many business or industry, and what it can do will still continue cause impact in many places. Although the

A conceptual secure blockchainbased electronic voting system
free download
2.2 DRAWBACKS AND SECURITY ISSUES The system we are going to propose in this paper will address all these security concerns by using open source code to develop our e-Voting system, and rely on Blockchain technology to secure votes, and decentralize the system

Blockchain implementation quality challenges: a literature
free download
2016]. Scalability issues . One of the main challenging problems in Blockchain implementations is scalability. In order to provide the theoretically proved security the Blockchain implementation must have a large number of full nodes. Page 4. 8:4 Bojana Koteska et al Recently, he is devel- oping blockchain empowered solutions to address cyber security issues in distributed systems for Air Force Research Lab, Air Force Space Command, Department of Energy, and Sentara Healthcare. His

Harnessing the power of blockchain technology to solve IoT security privacy issues .
free download
In this paper, we examine the possibility of using blockchain technology, mainly the second- generation of blockchain and smart contract, to create a new version of our decentralized pseudonymous privacy preserving authorization management framework FairAccess. Our

Enabling blockchain innovations with pegged sidechains
free download
However such delegation comes at the cost of centralising validation and transaction selection for the blockchain even if the work generation itself remains distributed Soft-forks have been used several times to deploy new features and fix security issues in Bitcoin (see [And12b

Dynamic access control policy based on blockchain and machine learning for the internet of things
free download
approach unfeasible in resource- constrained devices, and that is why going on with the totally distributed blockchain technology is strongly recommended. III. RELATED WORKS Many access control models have been proposed in the literature to address security issues in IoT

A blockchainbased authentication protocol for WLAN mesh security access
free download
A BlockchainBased Authentication Protocol for WLAN Mesh Security Access This paper proposes a new block chain-based authentication protocol for WLAN mesh security access, to reduce the deployment costs and resolve the issues of requiring key delivery and central

Blockchain for democratic voting: how blockchain could cast of voter fraud
free download
Security issues in Internet voting systems can be addressed from various perspec-tives (eg If carefully formulated, digital voting systems will improve security confidentiality, honesty and will This paper proposes a new model of Blockchain designated to prevent and minimize

Internet of Things Security Issues and their Solutions with Blockchain Technology Characteristics: A Systematic Literature Review
free download
Since the beginning of crypto currency in 200 blockchain technology rise as progressive technology. Despite the fact that blockchain began off as a core technology of Bitcoin, its utilization cases are growing to numerous fields such as, security of Internet of Things (IoT)

Blockchain for Internet of Things (IoT) Research Issues Challenges Future Directions: A Review
free download
requires security by design . Blockchain features, such as (incompatibility, transparency, readability, data encryption, and operational flexibility), can be used to overcome Internet security issues . The integration of Blockchain

Blockchain technology the identity management and authentication service disruptor: a survey
free download
The paper concludes with the open issues main challenges and directions highlighted for future work in This way, users do not have to trust a central entity, but security is guaranteed by the strength and computing power of the entire network participating in the blockchain

Food traceability on blockchain : Walmarts pork and mango pilots with IBM
free download
IBMs blockchain is based on Hyperledger Fabric, which supports modular architecture and plug-and- play components Records include audits, agricultural treatments, identification numbers, manufacturers, available device updates, known security issues granted permissions

The future of democracy: Blockchain voting
free download
2 Page 3. the need for a blockchain based voting system and the wider EVM problem can be found in the Although the WINVote is an extreme example and many of 5 the security issues found were specific to the WINVote, some problems were similar to many Chapter Blockchain Meets Cybersecurity: Security Privacy, Challenges and Opportunity reviews the main IoT security issues associated with the adoption of Blockchain technology Page 9. Security and Privacy Issues of Blockchain Technology

The blockchain : A comparison of platforms and their uses beyond bitcoin
free download
to the blockchain [29]. 5.2.7. Currency. OBC does not have a native currency, however one can be created by developers for their applica- tion using chaincode [29]. 5.2.8. Security . A large portion of the OBC protocol spec- ification is dedicated to security issues including

Blockchain security for Internet of Things: A literature survey
free download
The Internet of Things (IoT) is experiencing a tremendous growth in areas of research and industry; however, still suffers from security issues . Conventional security mechanisms havent really proven to offer optimum security . BlockChain (BC) is a new revolutionary technology Blockchain networks provide a transparent and reliable security environment where data can be protected through large-scale computing power. Trusted timestamps can be immediately attached to newly created blocks. Most importantly, it is possible to avoid trust issues by

An overview of blockchain security analysis
free download
in it. 4 The Current Status of Blockchain Security Protection Blockchain technology is currently in the early stage of development. There are many security issues from the underlying technology to the upper application. The third

Private BlockchainBased Secure Access Control for Smart Home Systems.
free download
existing smart devices lack sufficient protection in terms of data security and privacy, and challenging security and privacy issues inevitably emerge when using these data. This article aims to address these challenging issues by proposing a private blockchainbased access

A Survey about Consensus Algorithms Used in Blockchain .
free download
Algorithms Used in Blockchain 108 | J Inf Process Syst, Vol.1 No. pp.101~12 February 2018 3.1.1.2 Variants based on PoW Unfortunately, there are many works and research efforts that state the drawbacks of PoW, which include some security issues and usage issues

Crypto-democracy: A Decentralized Voting Scheme using Blockchain Technology.
free download
PHANTOM resolves the scalability, trade-off, security issues and guarantees a fast voting process which makes it more general and scalable than the classic blockchain protocol. In PHANTOM protocol, instead of a chain the blocks are in the form of tree structure

Blockchainbased Consents Management for Personal Data Processing in the IoT Ecosystem.
free download
European Research Cluster on the Internet of Things, Internet of Things: IoT governance, privacy and security issues . Lucero, S. (2016) Internet of Things: Survey on security and privacy Notarization of knowledge re- trieval from biomedical repositories using blockchain

Business innovation through blockchain
free download
Technology and Management issues that are the structure and charac- teristics of the blockchain paradigm change (Chap. 1), its value system (Chap. 2), governance (Chap. 3), and security layers, by focusing on the challenges, advan- tages, and limitations of blockchain from a

Blockchain : Background and policy issues
free download
of the good on their vessel). The blockchain does not address other supply chain issues such as the security and stability of the operation, or nefarious actors who tamper with the trackers or goods themselves. Concerns

Securing cognitive radio vehicular ad hoc network with fog node based distributed blockchain cloud architecture
free download
In Section II, preliminaries are discussed, including a brief overview of CRVANETs, cloud computing in CRVANETs, fog computing and blockchain technology. In Section III, literature is reviewed following Section IV in which security issues in CRVANETs are discussed

Blockchain Technology: Classification, Opportunities, and Challenges
free download
2018/01/doc-1.pdf Iuon-Chang L., Tzu-Chun L., 201 A Survey of Blockchain Security Issues and Challenges available : http://ijns.jalaxy.com.tw/contents/ijns- v19-n5/ijns- 2017-v19-n5- p653-659.pdf Dusko K.

Blockchain technology
free download
ALAN COHN OF COUNSEL STEPTOE JOHNSON LLP Alan advises clients on blockchain technology, cryptocurrency, and cybersecurity issues as well as other national security and emerging technology issues . He is a co Sev- eral scholars test blockchain TCP/IP security issues and propose newer protocols for more secure blockchains and cryptocurrency transactions (eg, Abraham et al. 2016; Ateniese et al. 2017; Garay et al. 2017; Zhang and Preneel 2017; Gencer et al

Issues and challenges with blockchain : A survey
free download
But to deal with public, regulation and political aspects, it will take time. REFERENCES Iuon-Chang Lin, Tzu-Chun Liao, A Survey of Blockchain Security Issues and Challenges , International Journal of Network Security Vol 1 No. pp

Convergence of AI, IoT, big data and blockchain : a review
free download
Finally, a ledger that cannot be tampered with is employed to record the transactions in this smart contract that use Etherium ( Blockchain ) But IoT is also an industry thats had plenty of security issues . Security is one of the reasons for the relatively slow adoption of IoT

Blockchain technology and BIM process: review and potential applications.
free download
Inadvertent centralization: Since security is partly 5: The concept of smart contract in a blockchain network leger;  Smart legal contracts: This term focuses on the expression and implementation of the software and encompasses operational aspects and issues pertaining to

Cloud computing security using blockchain
free download
This remaining data about the user can be used to extract the user information. Incidences of double transactions of Blockchain and forging the ledger or Bitcoin comes as a major challenge. A safe and reliable e-wallet is required to handle such security issues

Using blockchains to strengthen the security of internet of things
free download
5. 2 Related Work With the evolution of IoT networks and their strictly centralized architectures for manipulating device data, the new Blockchain distributed ledger technol- ogy inherently solves many fundamental security issues

Issues and Effectiveness of Blockchain Technology on Digital Voting
free download
Limitations of this technology is that it less secure. It lacks privacy. Paper reviews the solutions of the issues of digital voting by using Blockchain technology. Keywords: Digital voting, Blockchain technology, security digital coins, 1. Introduction

An exploratory analysis of blockchain : applications, security and related issues
free download
A blockchain is a shared, distributed, and immutable ledger. The blockchain has generated intense interest for use in a variety of industries and domains, ranging from banking, finance, and insurance to healthcare, government, retailing, and manufacturing. Organizations are

Security and privacy mechanism using blockchain
free download
54 ISSN: 2582-337X (online) Joshi, Archana Prashanth, Meng Han, and Yan Wang. A survey on security and privacy issues of blockchain technology. Mathematical Foundations of Computing no. 2 (2018): 121-147. Singh, Madhusudan, and Shiho Kim

Features of Blockchain Voting: A Survey
free download
Joseph, SHARVOT: secret SHARe-based VOTing on the blockchain , ACM/IEEE 1st International Workshop on Emerging Trends in Software Engineering for Blockchain [2018] Iuon-Chang Lin and Tzu-Chun Liao, A Survey of Blockchain Security Issues and Challenges

Blockchain
free download
By utilizing the blockchain third parties can become obsolete, ultimately increasing users security have been published in recent years and have, eg, analyzed consensus algorithms (eg, Eyal and Sirer 2014) or proposed novel concepts to tackle issues regarding privacy of

Using blockchain as a platform for smart cities
free download
Extensive research is being conducted into security issues related to Blockchain (Biswas Muthukkumarasamy) resolving issues identified in existing instances (Luu, Chu, Olickel, Saxena, Hobor) or preventing the appearance of others well before the systems