Assessing Blockchain Consensus and Security Mechanisms against the 51% Attack

The 51% attack is a technique which intends to fork a blockchain in order to conduct double-spending. Adversaries controlling more than half of the total hashing power of a network can perform this attack. In a similar way, <i>n</i> confirmation and selfish mining are two attack techniqu...

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Bibliographic Details
Main Authors: Sarwar Sayeed, Hector Marco-Gisbert
Format: Article
Language:English
Published: MDPI AG 2019-04-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/9/9/1788