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A blockchain is distributed, decentralized database of records which enables fast reliable transactions without a centralized management overlooking it. The cryptocurrency may or may not be enthralling in the future but role of blockchain technology in various fields of finance and non-finance sectors should not be underestimated. In this paper we will provide an overview on how blockchain works, types of blockchain, and a short overview of different blockchain platforms.
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Sheth et al. (2019) studied this question.
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