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

Use case – ATM and payment gateway


As promised, let's look at some real-world use cases of blockchain. In this section, we will look at the fastest growing cryptocurrency ATM by General Bytes, and also, at PayIOTA, a payment gateway that helps merchants accept IOTA (micro) payments.

Cryptocurrency ATM

In 2014, the company General Bytes, headquartered in Czechia, started selling its first Bitcoin ATM. It was the first Bitcoin/crypto machines company to incorporate NFC (near field communication) into their hardware to allow for contactless interaction. At the time of writing, there are around 1,900 machines sold to more than 53 countries, supporting dozens of cryptocurrencies. General Bytes is not the only Crypto ATM company, as Coin ATM Radar (https://coinatmradar.com/) reports that they have more than 3,700 crypto ATMs deployed all over the world. Even in a small country such as the Netherlands, there is already a crypto ATM available at 23 locations.

General Bytes offer two machines, the BATMTwo...