Blockchain, is the new trending revolution innovation that leverages business process and data sharing, by eliminating the centralization or intermediates. The technology has been attracting huge attention and many organizations are looking to adopt it. The decentralization, security immutability, data sharing and other blockchain advantages that have been explored reinforce that. Decision makers need to understand all potential risks to the blockchain technology to take the right decision for their business and users. The aim of this research is to study the blockchain technology Platform architecture, the security strength and weakness of the technology, how the technology addresses the information security key areas, integrity, availability and confidentiality, to help all stakeholders and decision makers in designing and architecting their blockchain applications. © 2019 Institution of Engineering and Technology. All rights reserved.

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