Book Image

Blockchain across Oracle

By : Robert van Molken
Book Image

Blockchain across Oracle

By: Robert van Molken

Overview of this book

Blockchain across Oracle gives you the professional orientation to Blockchain that you need as an Oracle developer in today’s changing world. Written and prepared for you by Oracle Developer Champion Robert van Mölken, this book gets you up to speed with the details of the Blockchain - core concepts, how to implement Oracle’s Blockchain Cloud Service, industry implications for the Blockchain, and how the Blockchain will affect your Oracle customers. Robert van Mölken introduces you to the history and concepts of the Blockchain. You’ll really get to understand the Blockchain inside and out, as an Oracle developer or solution architect. You’ll understand the Blockchain flow, and how the hashes and chains create a new decentralised paradigm for you as an Oracle developer. You’ll gain insights into how the Blockchain affects Oracle developers and customers in this modern and disruptive era. You’ll see how the Blockchain concepts work in this new world where Assets, Transactions, Security, and Privacy, can all be sustained across a decentralized system for your customers. Then you'll find a detailed look at the cutting-edge Oracle middleware solutions. You’ll learn about Hyperledger Fabric, the opensource Blockchain framework used by Oracle as its core, and how to set up your own Oracle Blockchain Network. You’ll design and develop a smart contract, and learn how to run it on the Oracle Blockchain Cloud Service. The final part of the book looks at how the Blockchain will affect your customers across various industry sectors. By studying industry trends in the financial services sector, healthcare industry, and the transport industry, you’ll discover how the options and possibilities for you and your clients are being transformed by the Blockchain across Oracle. You’ll complete this professional orientation by looking at Blockchain trends and future directions.
Table of Contents (24 chapters)
Title Page
Packt Upsell
Contributors
Preface
3
Blockchain 101 - Assets, Transactions, and Hashes
4
Blockchain 101 - Blocks, Chains, and Consensus
Index

Blockchain can solve these challenges


The proposed business case and its interactions are an ideal candidate for migrating to a blockchain-based system. Before we take a deep dive into the solution, let's start by once again visualizing the business case to see how we would use a blockchain, as shown in the following diagram:

Our original business network, modified to show how the participants interact with the smart contract on the blockchain

As you can see in the preceding diagram, our business case now has a component called a smart contract. Here, it is portrayed as a central component, but it actually runs on all participating nodes (peers) in the blockchain business network. It holds the single point of truth for all interactions, business logic, and stored data.

Let's imagine the same rainy day as before, where cars that are driving in front of you suddenly slam on their brakes. The car behind you notices this too late and it drives right into your car at such speed that your car's airbag...