English | 2020 | ISBN: 978-1617296338 | 352 Pages | PDF, EPUB | 66 MB
A blockchain is a collection of data records, or “blocks,” that are linked through using secure cryptographic hashes to form a “chain” that can be read and verified easily by anyone with the correct credentials but cannot be altered. This system is perfect for supply chains, health records, and other sensitive data where security and transparency are critical. Blockchain in Action introduces the fundamental principles of the blockchain and teaches you to build secure applications that can be used for voting, private auctions, and electronic record management.
Blockchain is more than just the tech behind Bitcoin—much more! Combining impenetrable security, decentralized transactions, and independently verifiable supply chains, blockchain applications have transformed currency, digital identity, and logistics. Platforms such as Ethereum and Hyperledger make it easy to get started by using familiar programming languages.
Blockchain in Action teaches you how to design and build blockchain-based decentralized apps, and is written in a clear, jargon-free style. First, you’ll get an overview of how blockchain works. Next, you’ll code your first smart contract using Ethereum and Solidity, adding a web interface, trust validation, and other features until your app is ready for deployment. The only thing you need to get started is standard hardware and open source software.
What’s inside
- Blockchain compared with other distributed systems
- Development in Solidity
- Identity, privacy, and security
- On-chain and off-chain data and operations
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