March 2019
Intermediate to advanced
636 pages
27h 50m
English
book
Blockchain Development with Hyperledger
by Salman A. Baset, Luc Desrosiers, Nitin Gaur, Petr Novotny
Content preview from Blockchain Development with Hyperledger
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Fundamentals of the secure transaction processing protocol
We mentioned previously that cryptography is one of the core building blocks of a blockchain solution. The fundamental security of the bitcoin blockchain is the elegant cryptographical linkage of all major components of the ledger. Specifically, transactions are linked to each other, mainly through the Merkle tree. A Merkle tree is based on the concept of a tree data structure where every leaf node has a hash calculated of its data and where the non-leaf node have a hash of all of their underlying child. This method provides a way to ensure the integrity of the data, but also provides privacy characteristics by allowing one to remove a leaf that is deemed private but leave the hash, ...
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