scholarly journals Blockchain Technology: Emerging Applications and Use Cases for Secure and Trustworthy Smart Systems

2020 ◽  
Vol 1 (1) ◽  
pp. 4-18
Author(s):  
Danda B. Rawat ◽  
Vijay Chaudhary ◽  
Ronald Doku

Blockchain, also known as a distributed ledger technology, stores different transactions/operations in a chain of blocks in a distributed manner without needing a trusted third-party. Blockchain is proven to be immutable, which helps with integrity and accountability, and, to some extent, confidentiality through a pair of public and private keys. Blockchain has been in the spotlight after successful boom of the Bitcoin. There have been efforts to leverage salient features of Blockchain for different applications and use cases. This paper presents a comprehensive survey of applications and use cases of Blockchain technology for making smart systems secure and trustworthy. Specifically, readers of this paper can have thorough understanding of applications and use cases of Blockchain technology.

Author(s):  
Imad Antoine Ibrahim ◽  
Jon Truby

AbstractNations worldwide have sought to capitalize on the benefits of distributed ledger technology (DLT) including Blockchain, but struggled to strike a balance between encouraging investment and innovation in the technology while addressing the challenges and uncertainties through regulation. Through its FinTech (Financial Technology) Strategy, Qatar has sought to embrace DLT, but its regulatory approach also remains cautious. Trade Finance is an ideal business process to be disrupted through the benefits of DLT and especially Blockchain technology, since its processes remain antiquated, inefficient and lack digitization. Blockchain as a form of DLT particularly offers the Trade Finance process not only more rapid, secure, cost-effective and efficient procedures, but importantly completely assures trust between importers and exporters and removes the requirement to place such trust in third-party intermediaries. Qatar can reap considerable economic benefits through the enhancement of its Trade Finance regulations enabling the adoption of such Blockchain technology. As such, the authors propose a roadmap and manual for the governance of the Trade Finance Blockchain ecosystem in Qatar. The authors propose multi-layered governance approach to the regulation of Blockchain in Qatar by (1) embracing international regulations and standards; (2) replicating foreign regional and national rules that are appropriate and innovative; and (3) applying sandbox regulations to Blockchain products and services.


2018 ◽  
Vol 10 (1) ◽  
pp. 54-76
Author(s):  
Sinsu Anna Mathew ◽  
Abdul Quadir Md

This article describes the “Blockchain” which is an upcoming technology in the current leading world and which serves as a capital market use-cases for many of the global Fintech industries across the world, is a distributed ledger of economic transactions which not only used for recording financial transactions but mostly everything of value in this world. In the current world, mostly all the transactions are done through online which mainly includes the bank as a “middle man,” which could be untrustworthy at times. Blockchain comes into the picture which eliminates the need of a middle man or third party between the users who are involved in the transactions. Represents a financial ledger entry of data structure which consists of record of transactions which is digitally signed and cannot be tampered as authenticity is ensured in which the ledger is considered to be of high integrity. One of the leading and highly valued platform of blockchain is “Hyperledger Fabric” which is meant for securing transactions and serves a powerful container technology for smart contract development in the global capital firms. The potential of Blockchain and DLT in capital markets in this upcoming world could remove many of the inefficiencies and costs inherent in the global capital markets across the world and could be considered as a viable technology which enable to settlement.


2021 ◽  
Vol 235 ◽  
pp. 03020
Author(s):  
Qian Liao ◽  
Mimi Shao

Features like the distributed ledger, consensus mechanism, asymmetric encryption technology, smart contract and Token of blockchain can lower transaction cost, enhance trust between customers and merchants, as well as eliminate false payment and consumer information leakage, problems which are common in current payment of cross-border E-Commerce platform. Based on the analysis of existing scholars, this paper studied two payment models: digital cash payment based on blockchain technology and the application of blockchain in third-party payment platform. Then the paper discussed the mechanism of blockchain in cross-border e-commerce payment platform, and creatively proposed a blockchain cross-border e-commerce payment platform, serving as reference and guidance for further development of blockchain technology in cross-border payment.1


Author(s):  
Kannan Balasubramanian ◽  
M. Rajakani

Identity-based cryptosystems were introduced to overcome one of the main problems in public key encryption, the generation of public and private keys. In the identity-based cryptosystem, an identifier such as an e-mail address of a user can be used to generate public and private keys by a trusted third party. The trusted third party uses a system-wide master secret to provide private keys to a user. Identity-based cryptosystems can be constructed using the idea of pairings. This article discusses four different identity-based cryptosystems: the Boneh-Franklin scheme, the Cock's scheme, the Authenticated IBE scheme and the Hierarchical IBE scheme. This article also discusses the security notions considered for the identity-based cryptosystem. The security notions considered are: one-wayness, indistinguishability, semantic security and non-malleability. An architecture consisting of a public parameter server and private key generator for the implementation of the identity-based cryptosystems is also discussed.


Author(s):  
Aras Bozkurt ◽  
Hasan Ucar

Blockchain is an online decentralized and distributed ledger technology that has the ability to keep and track records in a safe, verifiable, and transparent manner. More significantly, it has an infrastructure that is compatible with Web 3.0, which offers great potential for lifelong learning. This chapter explains the different modalities of learning (formal, non-formal, informal), blockchain technology, and its current use in educational processes. Based on the findings, the authors suggest that blockchain technology can be used to connect and interlink different educational experiences that occur in different educational modalities, enabling us to evaluate educational processes holistically and thus promote lifelong learning through the use of cutting-edge technologies.


Author(s):  
Aswini R. ◽  
Padmapriya N.

Blockchain is a distributed ledger with the ability of keeping up the uprightness of exchanges by decentralizing the record among participating clients. The key advancement is that it enables its users to exchange resources over the internet without the requirement for a centralised third party. Also, each 'block' is exceptionally associated with the past blocks by means of digital signature which implies that creation a change to a record without exasperating the previous records in the chain is beyond the realm of imagination, in this way rendering the data tamper-proof. A semantic layer based upon a blockchain framework would join the advantages of adaptable administration disclosure and approval by consensus. This chapter examines the engineering supporting the blockchain and portrays in detail how the information distribution is done, the structure of the block itself, the job of the block header, the block identifier, and the idea of the Genesis block.


Author(s):  
Bhuvana R. ◽  
P. S. Aithal

Despite various countries getting hands-on technology such as blockchain for banking, transaction, and multiple benefits, a developing country such as India must use these technologies because of the advantages it provides in order to keep pace. In the age of digital currencies and new emerging technologies, central banking is a fast-growing topic in the monetary economy. Cryptocurrencies, blockchain, and distributed Ledger technologies appear to be feasible rivals to Fiat Currency central bank. Blockchain technology's influence behind Cryptocurrencies. Cryptocurrencies have the ability to boost payments and operations by central banks and serve as a forum from which central banks could Perhaps launch their own digital currencies. RBI Indian central bank is no less important when it comes to technology that would pave the way for the new economy, enriched with technology-centric growth momentum, by increasing support from India's reserve bank and the Indian government for innovation and integrating technologies through regulatory sandboxes and various other systems. This article illustrates distributed ledger technology in the Indian context. The secondary data were obtained from various scholarly journals and websites. We have analysed distributed ledger technology, India’s move towards learning new technologies, different central banks distributed ledger project and examined blockchain technology in the Indian market using the SWOC framework as a research case study.


Blockchain for business is a new concept which enables many industries and organizations to implement even the basic of systems on foundation of blockchain technology. Using this technology, our goal is to develop a payments system that enables transfer of funds for a monetary transaction between two parties. Hyperledger is an open source community oriented effort which was made to propel cross-industry blockchain advances that were available. The Linux Foundation has it. It has partners from everywhere throughout the world , at a worldwide dimension and incorporates ventures like funding, banking, Internet of Things, supply chains, assembling and Technology. Using Blockchain for Enterprise technology, we are going to develop a new payments system that makes use of regulated cryptocurrency. Using this system, we want to create a new cryptocurrency specific to the payment portal for people to buy, sell and pay or earn rewards using this cryptocurrency. This system will majorly consist of participants and admins that will be divided based on the certificates assigned to every participant. Our implementation involves. using the fabric for creating a payment system run on the backend of blockchain technology. This will involve having a regulatory authority to maintain the cryptocurrency, ledger and authenticity of the users. Theoretically, the blockchain technology maintains anonymity for transactions. It uses a distributed ledger to record transactions for people to be able to make secure transactions without any repercussions. Blockchain for Enterprise implements Blockchain technology by using concepts like Trust, Privacy and Smart contracts in addition to the distributed ledger to create an industry friendly Blockchain business application. Blockchain is a rapidly growing field with multiple implementations which can be explored not just on anonymity but also on actual life implementations. Distributed ledger technology is applied to the payment systems. Cryptocurrency would now not only be used for anonymous transactions but also for regular day to day transactions.


Doklady BGUIR ◽  
2020 ◽  
Vol 18 (7) ◽  
pp. 14-22
Author(s):  
D. A. Kachan ◽  
U. A. Vishniakou

The purpose of this article is to analyze methods, approaches, and tools of distributed ledger technology (DLT) for working with documents in education. The objectives of the article are to analyze problems with the authentication of educational documents, develop new structural solutions using block chain technology, consider two models, and evaluate their use for educational documents.Authentication of educational documents is carried out using state registers, which is a complex and resource-intensive process. There is an increase in the number of forged documents in the world, which calls into question the effectiveness of modern mechanisms. Distributed ledger technology (block chain) is a sustainable technological trend that affects the development and quality of the digital economy. The existence of a mechanism for verifying the authenticity of educational documents that is resistant to malicious manipulation is an urgent task that goes beyond the sphere of education, possible solutions to which are proposed to be considered in this paper.The article provides a brief description of DLT and considers the approach of using the technology to authenticate educational documents. It consists of two main stages: the issue of a digital educational document and its verification. The role of a trusted third party in the issue and validation process is considered. The paper presents the models for issuing and validating digital documents based on distributed ledger technology, which allows one to eliminate the limitations and shortcomings of existing approaches. The effectiveness of the approach based on the proposed models is revealed. The formulated approaches can be applied in various socio-economic areas and public administration to work with similar documents.


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