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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Transaction history and asset states
Examining business network history in more detail, we can see that there are two elements to the history of an asset (or participant), namely, its current value, and the sequenced set of transactions that led to this value. We can generate the value of the asset at all points in time if we sequentially apply from an arbitrary point in time all the transactions that affected it. Effectively, we think of transaction history as a set of transaction events that occur at different times and places in the business network, thereby determining its state at any given point in time.
We will see these two aspects of business networks explicitly expressed in Hyperledger Fabric via the concepts of a ledger world state ...
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