Qualitative Journal Article review
You will review qualitative research.  The topic is up to you as long as you choose a peer-reviewed, academic research piece.  I suggest choosing a topic that is at least in the same family as your expected dissertation topic so that you can start viewing what is out there.  There are no hard word counts or page requirements as long as you cover the basic guidelines.  You must submit original work, however,  and a paper that returns as a large percentage of copy/paste to other sources will not be accepted.  (Safe Assign will be used to track/monitor your submission for plagiarism. Submissions with a Safe Assign match of more than 2% will not be accepted.) 
Please use APA formatting and include the following information:

Introduction/Background:  Provide context for the research article.  What led the author(s) to write the piece? What key concepts were explored? Were there weaknesses in prior research that led the author to the current hypothesis or research question?
Methodology:  Describe how the data was gathered and analyzed.  What research questions or hypotheses were the researcher trying to explore? What statistical analysis was used?
Study Findings and Results:  What were the major findings from the study? Were there any limitations?
Conclusions:  Evaluate the article in terms of significance, research methods, readability and the implications of the results.  Does the piece lead into further study? Are there different methods you would have chosen based on what you read? What are the strengths and weaknesses of the article in terms of statistical analysis and application? (This is where a large part of the rubric is covered.) 
ReferencesInternet of Things 10 (2020) 10 0 081

Contents lists available at ScienceDirect

Internet of Things

journal homepage: www.elsevier.com/locate/iot

Review article

Blockchain for the IoT and industrial IoT: A review

Qin Wang

a , b , c , ∗, Xinqi Zhu

c , d , Yiyang Ni e , Li Gu

c , d , Hongbo Zhu

a , b

a Jiangsu Key Laboratory of Wireless Communications, Nanjing University of Posts and Telecommunications, Nanjing, China
b Engineering Research Center of Health Service System Based on Ubiquitous Wireless Networks, Nanjing University of Posts and

Telecommunications, Ministry of Education, China
c College of Engineering and Computing Sciences, New York Institute of Technology – Nanjing Site, Nanjing, China
d College of Overseas Education, Nanjing University of Posts and Telecommunications, Nanjing, China
e School of mathematics and information technology, Jiangsu Second Normal University, Nanjing, China

a r t i c l e i n f o

Article history:

Received 1 March 2019

Revised 29 June 2019

Accepted 29 June 2019

Available online 12 July 2019




Industrial IoT



a b s t r a c t

The Internet of Things (IoT), especially the industrial IoT (IIoT), has rapidly developed and

is receiving a lot of attention in academic areas and industry, but IoT privacy risks and

security vulnerabilities are emerging from lack of fundamental security technology. The

blockchain technique, due to its decentralization and information disclosure, was proposed

as a decentralized and distributed approach to guarantee security requirements and moti-

vate the development of the IoT and IIoT. In this paper, we first introduce the basic struc-

ture and main features of blockchain and summarize the security requirements to develop

IoT and Industry 4.0. Then, we explore how blockchain can be applied to the IoT for Indus-

try 4.0 using its security tools and technology. We describe the most relevant blockchain-

based IoT applications to promote the functions and advantages of the blockchain tech-

nique on IoT and IIoT platforms. Finally, some recommendations are proposed to guide

future blockchain researchers and developers.

© 2019 Elsevier B.V. All rights reserved.

1. Introduction

The advent of the Internet of Things (IoT) enhances traditional thinking of the past and allows connection of many, if not

all, objects in the environment to the network. It can connect vehicles, household appliances, and other electronic devices

together on the network, which, in turn, brings humans a more intelligent life. The system realizes real-time identification,

location, tracking, and monitoring, and it triggers corresponding events automatically. Furthermore, IoT is the crucial part

in the Industrial IoT (IIoT) that aims to produce intelligent manufacturing goods and establish smart factories with tight

connections between customers and business partners.

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