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You're reading from  Mastering Blockchain - Fourth Edition

Product typeBook
Published inMar 2023
PublisherPackt
ISBN-139781803241067
Edition4th Edition
Concepts
Blockchain
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Author (1)
Imran Bashir
Imran Bashir
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Imran Bashir

Imran Bashir has an M.Sc. in Information Security from Royal Holloway, University of London, and has a background in software development, solution architecture, infrastructure management, and IT service management. He is also a member of the Institute of Electrical and Electronics Engineers (IEEE) and the British Computer Society (BCS). Imran has extensive experience in both the public and financial sectors, having worked on large-scale IT projects in the public sector before moving to the financial services industry. Since then, he has worked in various technical roles for different financial companies in Europe's financial capital, London.
Read more about Imran Bashir

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Attacks on layer 2 blockchains

Some of the attacks are similar to layer 1 attacks; however, some are novel and specific to layer 2:

  • Transaction censoring: In layer 2 systems, if a rollup provider is centralized, that could result in transaction censoring.
  • Attacks on a rollup provider: There can be several attacks against a rollup provider, including DoS, and any other usual attacks that could be carried out against a node, including viruses/malware and network attacks.
  • Data availability attacks: There are two options available for data availability. One is to store the data on a chain to ensure its availability and the other is to store it off-chain with third-party entities, which will make it available when required. Usually, economic incentives are applied to reward off-chain entities to store data. However, badly designed incentive mechanisms or centralized service providers could censor the data, which can lead to unintended consequences. Also, in the...
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Mastering Blockchain - Fourth Edition
Published in: Mar 2023Publisher: PacktISBN-13: 9781803241067
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Imran Bashir

Imran Bashir has an M.Sc. in Information Security from Royal Holloway, University of London, and has a background in software development, solution architecture, infrastructure management, and IT service management. He is also a member of the Institute of Electrical and Electronics Engineers (IEEE) and the British Computer Society (BCS). Imran has extensive experience in both the public and financial sectors, having worked on large-scale IT projects in the public sector before moving to the financial services industry. Since then, he has worked in various technical roles for different financial companies in Europe's financial capital, London.
Read more about Imran Bashir

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