scholarly journals Blockchains: Improve the Scalability and Efficiency of Conventional Blockchain by Providing a Lightweight Block Mining and Communication Algorithm

2020 ◽  
Vol 25 (6) ◽  
pp. 737-745
Author(s):  
Subba Rao Peram ◽  
Premamayudu Bulla

To provide secure and reliable services using the internet of things (IoT) in the smart cities/villages is a challenging and complex issue. A high throughput and resilient services are required to process vast data generated by the smart city/villages that felicitates to run the applications of smart city. To provide security and privacy a scalable blockchain (BC) mechanism is a necessity to integrate the scalable ledger and transactions limit in the BC. In this paper, we investigated the available solutions to improve its scalability and efficiency. However, most of the algorithms are not providing the better solution to achieve scalability for the smart city data. Here, proposed and implemented a hybrid approach to improve the scalability and rate of transactions on BC using practical Byzantine fault tolerance and decentralized public key algorithms. The proposed Normachain is compares our results with the existing model. The results show that the transaction rate got improved by 6.43% and supervision results got improved by 17.78%.

Author(s):  
Makeri Yakubu Ajiji ◽  
Xi’an Jiaotong Victor Chang ◽  
Targio Hashem Ibrahim Abaker ◽  
Uzorka Afam ◽  
T Cirella Giuseppe

Today the world is becoming connected. The number of devices that are connected are increasing day by day. Many studies reveal that about 50 billion devices would be connected by 2020 indicating that Internet of things have a very big role to play in the future to come Considering the perplexing engineering of Smart City conditions, it ought not to be failed to remember that their establishment lies in correspondence advancements that permit availability and information move between the components in Smart City conditions. Remote interchanges with their capacities speak to Smart City empowering advancements that give the open door for their fast and effective execution and extension as well. The gigantic weight towards the proficient city the board has triggered various Smart City activities by both government and private area businesses to put resources into Information and Communication Technologies to discover feasible answers for the assorted chances and difficulties (e.g., waste the executives). A few specialists have endeavored to characterize a lot of shrewd urban areas and afterward recognize openings and difficulties in building brilliant urban communities. This short article likewise expresses the progressing movement of the Internet of Things and its relationship to keen urban communities. Advancement in ICT and data sharing innovation are the drivers of keen city degree and scale. This quick development is changing brilliant city development with the beginning of the Internet of Things (IoT). This transformation additionally speaks to difficulties in building (Kehua, Li, and Fu ,Su et al.1). By knowing the attributes of specific advances, the experts will have the occasion to create proficient, practical, and adaptable Smart City frameworks by actualizing the most reasonable one.


Author(s):  
Aminu Bello Usman ◽  
Jairo A. Gutierrez ◽  
Abdullahi Baffa Bichi

The internet of things (IoT) is expected to influence both architecture and infrastructure of current and future smart cities vision. Thus, the requirement and effectiveness of making cities smarter demands suitable provision of secure and efficient communication networks between IoT networking devices. Trust-based routing protocols play an important role in IoT for secure information exchange and communications between IoT networking elements. Thus, this chapter presents the foundation of trust-based protocols from social science to IoT for secure smart city environments. The chapter outlines and discusses the key ideas, notions, and theories that may help the reader to understand the current status and the possible future trends of trust-based protocols in IoT networks for smart cities. The chapter also discusses the implications, requirements, and future research challenges of trust-based protocols in IoT for smart cities.


The future of Internet of Things (IoT) is already upon us. The Internet of Things (IoT) is the ability to provide everyday devices with a way of identification and another way for communication with each other. The spectrum of IoT application domains is very large including smart homes, smart cities, wearables, e-health, etc. Consequently, tens and even hundreds of billions of devices will be connected. Such devices will have smart capabilities to collect, analyze and even make decisions without any human interaction. Security is a supreme requirement in such circumstances, and in particular authentication is of high interest given the damage that could happen from a malicious unauthenticated device in an IoT system. While enjoying the convenience and efficiency that IoT brings to us, new threats from IoT also have emerged. There are increasing research works to ease these threats, but many problems remain open. To better understand the essential reasons of new threats and the challenges in current research, this survey first proposes the concept of “IoT features”. Then, the security and privacy effects of eight IoT new features were discussed including the threats they cause, existing solutions and challenges yet to be solved.


Author(s):  
MUHAMMAD SAQIB ◽  
Nadia Al-Muqrashi

In the recent years, developments growth have been rising in utilizing of recent technologies; Smart cities have been furnished with various electronic devices concentrated on the Internet of Things (IoT) to be more smarter than before. The Internet of Things is empowered by various emerging technologies such as smart cameras, sensors, wireless communication devices etc. Smart cities are huge systems connected with countless sub-systems, and these systems are depending on the electricity to move the human, things, and data to share information. Without electric power and Internet of Things, the smart city cannot be achieved and services cannot be provided. This paper aims to provide a comprehensive concept of IoT, the smart city as well as the relationship of Smart Cities to IoT. Moreover, an extensive review of the relationship of IoT to the smart city discussed with few instances of services provided by the government using IoT technologies for the citizens. Therefore the objects and applications which come under the IoT technology that can be used to meet the objective of having a smart city. In this paper, a thorough literature on the concept of IoT with Smart City and a brief comparison of it in terms of services, challenges, and issues are discussed. Also the discussion on the issues faced by service providers with regards to technologies used to equip the citizens with up to date services.


Smart Cities ◽  
2021 ◽  
Vol 4 (4) ◽  
pp. 1276-1292
Author(s):  
Isam Shahrour ◽  
Xiongyao Xie

This paper presents and discusses the role of the Internet of Things (IoT) and crowdsourcing in constructing smart cities. The literature review shows an important and increasing concern of the scientific community for these three issues and their association as support for urban development. Based on an extensive literature review, the paper first presents the smart city concept, emphasizing smart city architecture and the role of data in smart city solutions. The second part presents the Internet of Things, focusing on IoT technology, the use of IoT in smart city applications, and security. Finally, the paper presents crowdsourcing with particular attention to mobile crowdsourcing and its role in smart cities. The paper shows that IoT and crowdsourcing have a crucial role in two fundamental layers of smart city applications, namely, the data collection and services layers. Since these two layers ensure the connection between the physical and digital worlds, they constitute the central pillars of smart city projects. The literature review also shows that the smart city development still requires stronger cooperation between the smart city technology-centered research, mainly based on the IoT, and the smart city citizens-centered research, mainly based on crowdsourcing. This cooperation could beneficiate in recent developments in the field of crowdsensing that combines IoT and crowdsourcing.


2021 ◽  
Vol 15 (02) ◽  
pp. 19-24
Author(s):  
Vishv Patel ◽  
Devansh Shah ◽  
Nishant Doshi

The large deployment of the Internet of Things (IoT) is empowering Smart City tasks and activities everywhere throughout the world. Items utilized in day-by-day life are outfitted with IoT devices and sensors to make them interconnected and connected with the internet. Internet of Things (IoT) is a vital piece of a smart city that tremendously impact on all the city sectors, for example, governance, healthcare, mobility, pollution, and transportation. This all connected IoT devices will make the cities smart. As different smart city activities and undertakings have been propelled in recent times, we have seen the benefits as well as the risks. This paper depicts the primary challenges and weaknesses of applying IoT innovations dependent on smart city standards. Moreover, this paper points the outline of the technologies and applications of the smart cities.


2020 ◽  
Vol 17 (6) ◽  
pp. 2552-2556
Author(s):  
Sarita Simaiya ◽  
Umesh Kumar Lilhore ◽  
Sanjeev Kumar Sharma ◽  
Kamali Gupta ◽  
Vidhu Baggan

A revolutionary technology well into the world of technology has been in the modern world of technology the Internet of Things. Due to continuing increases as nothing more than a consequence of either the rapid development of computing Internet of things-based applications implementations. Many technologies become increasingly embraced throughout compatible devices such as home automation and also smart cities. These IoT applications become operated on both the Internet, whereby information becomes transported publicly between a network to the next, therefore flowing information requires a great deal of further privacy consideration to guarantee IoT applications become reliable Internet of things technologies have been using various techniques of data protection of security and privacy. However, all such modern security systems have always been sufficient to ensure the Internet of things perceived safety. A Blockchain has become a revolutionary authoritative digital technology that really transforms commercial transactions absolutely. This is also a collaborative service that facilitates it uses a variety of features of cybersecurity. Blockchain technology seems to be the missing piece of the puzzle throughout the IoT to address problems of usability, anonymity, including security. Block chain’s crypto algorithms must enable transparency from customers very confidential. Throughout this research article, we introduce an analysis of IoT security concerns; blockchain gets addressed briefly as well as later addresses the security of IoT applications dependent on blockchain technologies.


2021 ◽  
Vol 2021 ◽  
pp. 1-13
Author(s):  
Khizar Abbas ◽  
Lo’Ai A. Tawalbeh ◽  
Ahsan Rafiq ◽  
Ammar Muthanna ◽  
Ibrahim A. Elgendy ◽  
...  

Smart cities provide citizens with smart and advanced services to improve their quality of life. However, it has been observed that the collection, storage, processing, and analysis of heterogeneous data that are usually borne by citizens will bear certain difficulties. The development of the Internet of Things, cloud computing, social media, and other Industry 4.0 influencers pushed technology into a smart society’s framework, bringing potential vulnerabilities to sensor data, services, and smart city applications. These vulnerabilities lead to data security problems. We propose a decentralized data management system for smart and secure transportation that uses blockchain and the Internet of Things in a sustainable smart city environment to solve the data vulnerability problem. A smart transportation mobility system demands creating an interconnected transit system to ensure flexibility and efficiency. This article introduces prior knowledge and then provides a Hyperledger Fabric-based data architecture that supports a secure, trusted, smart transportation system. The simulation results show the balance between the blockchain mining time and the number of blocks created. We also use the average transaction delay evaluation model to evaluate the model and to test the proposed system’s performance. The system will address residents’ and authorities’ security challenges of the transportation system in smart, sustainable cities and lead to better governance.


2021 ◽  
Vol 258 ◽  
pp. 02023
Author(s):  
Inna Krasovskaya ◽  
Elena Schislyaeva ◽  
Felix Shamrai

The article investigates scientific and practical issues of transport logistics; the conceptual and methodological mechanisms of formation of the “Smart City” strategy are considered and its main business processes are interpreted; the author’s description of the Internet of Things as a high-tech network of deterministic mechanisms, logistic algorithms, business processes and technical and technological devices, interconnected with each other and with the external socio-economic environment is presented; the international experience of the formation and functioning of transport and logistics business processes of “smart cities” was critically rethought; reducing costs, ensuring socio-economic growth and sustainability, while improving the quality of services and the life of citizens, are justified as fundamental tasks of smart city projects; studied the socio-economic objectives of the Smart City of St. Petersburg project, in particular, the formation of a list of measures to optimize business processes, the creation of an external economic environment that would facilitate the attraction of non-budgetary funding sources for the implementation of projects, the development of a methodology for monitoring indicators of socio-economic development and territorial planning of St. Petersburg; identified the main socio-economic advantages of the introduction of smart parking in relation to the infrastructures of smart cities and their residents; empirically confirmed the effectiveness of the implementation of an intelligent parking management system based on the “Internet of Things” technology in the social and economic conditions of St. Petersburg; the characteristic of transport and logistics advantages of the strategy “Smart city of St. Petersburg” is provided.


2021 ◽  
Vol 1 (1) ◽  
pp. 43-51
Author(s):  
Sundresan Perumal

Kevin Ashton coined the phrase Internet of Things in 1999 with high performance implementation for corporate and social world. Thanks to the success of high-performing Internet of Things (IoT) whereby the tags and sensors are the foundation for IoT implementation of radio frequency identification with enormous implementation patterns. Real world objects and systems that are remotely managed using program- based tools may be outfitted with RFID tags. Radio frequency recognition devices may identify objects and sense information. Very thin micro-sized RFID chips that can attach remotely are built. The internet of things will cross over USD 267 billion in 2020. According to the report by Gartner, there would be $273 billion linked devices around the world in 2014. The quantity, which is equal to 8.4 billion goods, is 31% more than last year. This study examines security and productivity in the IoT. It is very popular to use Internet of Things (IoT) in robotics because of sensor sensors, advanced wireless technology and use of software programming. Both wireless IP-based systems come with built-in GPS modules. The utility of smart cities and home automation was increasingly accentuated by the appearance of vast databases of smart IP-based sensors. Within the scope of this study, one of the goals is to establish simulation trends that can cover protection weakness of the Internet of Things. In the novel, the simulation processes were implemented through Contiki Cooja and CupCarbon. The modern age is greatly being affected by impossibly sophisticated technical devices. It is treated under the umbrella of Internet of Things (IoT). Several applications are commonly using IoT linked technologies to a broad variety of purposes. IoT contains many other concepts such as universal computing, widespread computing, ambient computing, among several others. The work presents the implementation using high performance framework for the security in the IoT environment using security mechanism on IPv6.


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