The Security of Blockchain Systems

Vincenzo Morabito ()
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Vincenzo Morabito: Bocconi University

Chapter Chapter 4 in Business Innovation Through Blockchain, 2017, pp 61-78 from Springer

Abstract: Abstract The blockchain technology has been under intense research in the last decade. It is expected to revolutionize the nature of information sharing and transaction processing across computer systems. However, numerous issues have been made as to the security of and confidence in the blockchain architecture. Also, a series of cyber-attacks coordinated against various blockchain research centers and companies has highlighted areas of the blockchain technology that may be vulnerable to attacks in cyberspace. This chapter discusses the architecture supporting the blockchain and describes in detail how the data distribution is done, the structure of the block itself, the role of the block header, the block identifier, and the concept of the Genesis blockGenesis block . It then discusses that blockchain has security incorporated at main layers: Consensus, Mining, Cryptography, Propagation and Semantics. Subsequent sections discuss the challenges, advantages and limitations of blockchain from a security point of view.

Keywords: Previous Block; Digital Currency; Block Chain; Confirmation Message; Block Header (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-48478-5_4

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DOI: 10.1007/978-3-319-48478-5_4

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