Permissioned blockchains are growing in popularity as businesses attempt to cash in on the blockchain trend while keeping a firm hand on the tiller. Contrary to their non-permissioned cousins (such as bitcoin or Ethereum), permissioned blockchains are controlled by an authority that grants permission to every node that participates.
In this blog (originally published on Dark Reading), Duncan Jones, Head of Skunkworks at Thales eSecurity, Duncan discusses the characteristics of a perimissioned blockchain and its terminology, considers the security challenges of deploying a small blockchain with authorized participant, and provides advice for secure deployment.
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*** This is a Security Bloggers Network syndicated blog from Data Security Blog | Thales e-Security authored by Duncan Jones. Read the original post at: https://blog.thalesesecurity.com/2018/03/15/how-to-secure-permissioned-blockchains/