Abstract
Blockchain being a leading technology in the 21st century is revolutionizing each sector of life. Services are being provided and upgraded using its salient features and fruitful characteristics. Businesses are being enhanced by using this technology. Countries are shifting towards digital currencies i.e., an initial application of blockchain application. It omits the need of central authority by its distributed ledger functionality. This distributed ledger is achieved by using a consensus mechanism in blockchain. A consensus algorithm plays a core role in the implementation of blockchain. Any application implementing blockchain uses consensus algorithms to achieve its desired task. In this paper, we focus on provisioning of a comparative analysis of blockchain’s consensus algorithms with respect to the type of application. Furthermore, we discuss the development platforms as well as technologies of blockchain. The aim of the paper is to provide knowledge from basic to extensive from blockchain architecture to consensus methods, from applications to development platform, from challenges and issues to blockchain research gaps in various areas.
Highlights
The 21st century is all about revolutionizing technology
Instead of each common block this paper focuses on the checkpoint blocks
The categorization of this paper provides an insight into blockchain technology along with its applications in different areas
Summary
Sumaira Johar 1, * , Naveed Ahmad 1 , Warda Asher 1 , Haitham Cruickshank 2 and Amad Durrani 1.
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