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Nowadays, Blockchain is one of the most growing technologies that is basically used to store the data on top of distributed nodes via consensus algorithm and cryptographic mechanism which cannot be changed or deleted. This immutable nature of Blockchain makes it prominent among other data-structures to store ever-growing and scatteredly originated data in a tamper-proof way along with transparency and trust between organizations. Hence this makes Blockchain ideal for storing transactional data such as land registration records, patients’ records, financial transactions, vehicle registrations, and transfer records. Yet, various transformational issues and challenges make Blockchain’s implementations a painstaking process. This paper highlights and illustrates such fundamental challenges and limitations to implement Blockchain in various domains.
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