January 2019
Beginner to intermediate
372 pages
11h 17m
English
Content preview from Foundations of Blockchain
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Building a simple blockchain in a P2P network
In Chapter 3, Cryptography in Blockchain, we explored how a consensus can be achieved in a decentralized network with the help of algorithms such as proof-of-work. Since consensus algorithms ensure that the Byzantine failure problem can be solved, a global truth can be maintained in a decentralized network in which there is no trust between the peers. Although consensus algorithms provide a convenient way to maintain a public ledger, each node has to perform a set of operations to maintain the ledger in a distributed network.
We have already created a simple blockchain application that can continuously enlarge its records whenever we have new data to be inserted. Because our blockchain application ...
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