August 2019
Intermediate to advanced
486 pages
13h 52m
English
Content preview from Mastering Blockchain Programming with Solidity
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Understanding blockchain
A blockchain is a timestamped series of immutable transactions that is managed by a cluster of computers using special computer algorithms. These immutable records are not owned by any single entity. A blockchain is a decentralized P2P network of nodes. Each node in a blockchain shares the same copy of data, also called the digital ledger. Each node present in the network uses the same algorithm to reach a consensus.
A blockchain, by design, is resistant to the modification of data. The ledger can record transactions between two parties in a verifiable and permanent way. Whenever there is a change in the ledger using transactions, changes are distributed to all the nodes, to verify and update their own copy of the ...
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