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Paper Title: A Study on Blockchain Security Issues and Challenges
Authors Name: Sayani Chandra
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Published Paper Id: IJNRD1805007
Published In: Volume 3 Issue 5, May-2018
Abstract: The successful adoption and operation of any new technology is dependent on the appropriate management of the risks associated with that technology. This is especially true when that technology is more than an application and is part of the organization’s core infrastructure. And distributed ledger technologies (DLT) like blockchain technology have the potential to be the backbone of many core platforms in the near future. The blockchain is an undeniably ingenious invention – the brainchild of a person or group of people known by the pseudonym, Satoshi Nakamoto. It has become a focus of global attention since its development as banks around the world seek to understand and harness its disruptive potential. Many of the industries has been exploring how to use blockchains across a variety of internal and client facing issues. Blockchain has the potential to transform our world. However, leading into 2018 the focus will move from “how to use a blockchain” to “how to secure a blockchain”. Experts insist the technology is “bigger than the internet,” but we may want to take a beat before we put everything from our money to our health records on blockchains. According to a new study, the technology isn’t nearly as secure as we thought.
Keywords: Bitcoin, Block, Blockchain, Consensus, Decentralized, Fork, Hash, PoS, PoW, Security
Cite Article: "A Study on Blockchain Security Issues and Challenges", International Journal of Novel Research and Development (, ISSN:2456-4184, Vol.3, Issue 5, page no.32-39, May-2018, Available :
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