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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Ordering service
The ordering service is responsible for receiving the executed transactions from peers, combining them into blocks, and broadcasting them to other peers on the same channel. The peers receiving the transaction blocks then validate it before committing it to their ledger. It is the responsibility of the ordering service to not mix the blocks intended for one channel on another channel.
In version 1.0 of Hyperledger Fabric, the peers would send a transaction (keys and associated values, along with the read/write set) to the ordering service. Thus, the ordering service had visibility into all data associated with transactions, which had implications from a confidentiality standpoint. In version 1.1 of Hyperledger Fabric, the ...
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