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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Creating the network
When entities decide to create a network, they must decide on the following:
- Who will run the ordering service
- How many different instances of ordering service will be in the network
The role of the ordering service is critical because, depending on the configuration, it has visibility into transaction hashes or the transaction data across all channels that flow through it. Thus, the entities deciding to form a network may choose to trust one of the entities to act as the ordering service; they may also decide to trust a neutral third party to run the ordering service.
The ordering service can view all transactions (hashes or key/value pairs) across all channels that it serves. Thus, if it is necessary to hide the transaction ...
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