December 2018
Beginner to intermediate
564 pages
17h 34m
English
Content preview from Blockchain Developer's Guide
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Architecture choices and features
Hyperledger Fabric was designed around a few key features and use cases that were seen as critical for enterprise users.
At the core is the ledger itself. The ledger is a set of blocks, and each block holds a set of transactions. A transaction is anything that updates the state of the blockchain. Transactions, in turn, are performed by smart contract code installed on to the blockchain (called Chaincode). Let's look at how blocks and transactions are formed.
Each block is ordered in sequence, and inside each block is a set of transactions. Those transactions are also stored as happening in a specific sequence. Unlike other blockchains, the creation of the transaction and the sequence it is eventually given ...
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