Blockchain for Enterprise Application Developers tries to touch various aspects in blockchain space, from understanding what it is, how to design solutions, how to build prototypes and where the landscape is heading. Two popular blockchain platforms – Ethereum and Hyperledger – are explained and utilized in this book, mainly due to popularity and relevance for enterprise use cases, respectively. Significant focus has also been made on enterprise use cases where current technologies are already solving the problems in the domain in certain way.

Dedication

Foreword

Preface

About the Authors

Acknowledgements

Chapter 1 Introduction

1.1 Introduction

1.2 Scenarios

1.3 Challenges Articulated

1.4 What is Blockchain?

1.5 Blockchain Characteristics

1.6 Opportunities Using Blockchain

1.7 History of Blockchain

1.8 Skillsets Requirements

Chapter 2 Evolution of Blockchain

2.1 Evolution of Computer Applications

2.2 Centralized Applications

2.3 Decentralized Applications

2.4 Stages in Blockchain Evolution

2.5 Consortia

2.6 Restrictions on Sharing Ledgers

2.7 Forks

2.8 Public Blockchain Environments

2.9 Type of Players in Blockchain Ecosystem

2.10 Players in Market

Chapter 3 Blockchain Concepts

3.1 Introduction

3.2 Chaining of Blocks

3.3 Hashing

3.4 Merkle Tree

3.5 Consensus

3.6 Mining and Finalizing Blocks

3.7 Currency Aka Tokens

3.8 Security on Blockchain

3.9 Data Storage on Blockchain

3.10 Wallets

3.11 Coding on Blockchain: Smart Contracts

3.12 Peer-to-Peer Network

3.13 Types of Blockchain Nodes

3.14 Risk Associated with Blockchain Solutions

3.15 Life Cycle of Blockchain Transaction

Chapter 4 Architecting Blockchain Solutions

4.1 Introduction

4.2 Obstacles for Use of Blockchain

4.3 Blockchain Relevance Evaluation Framework

4.4 Blockchain Solutions Reference Architecture

4.5 Types of Blockchain Applications

4.6 Cryptographic Tokens

4.7 Typical Solution Architecture for Enterprise Use Cases

4.8 Types of Blockchain Solutions

4.9 Architecture Considerations

4.10 Architecture with Blockchain Platforms

4.11 Approach for Designing Blockchain Applications

Chapter 5 Ethereum Blockchain Implementation

5.1 Introduction

5.2 Tuna Fish Tracking Use Case

5.3 Ethereum Ecosystem

5.4 Ethereum Development

5.5 Ethereum Tool Stack

5.6 Ethereum Virtual Machine

5.7 Smart Contract Programming

5.8 Integrated Development Environment

5.9 Truffle Framework

5.10 Ganache

5.11 Unit Testing

5.12 Ethereum Accounts

5.13 MyEtherWallet

5.14 Ethereum Networks/Environments

5.15 Infura

5.16 Etherscan

5.17 Ethereum Clients

5.18 Decentralized Application

5.19 Metamask

5.20 Tuna Fish Use Case Implementation

5.21 OpenZeppelin Contracts

5.22 Best Practices for Ethereum Smart Contract Development

Chapter 6 Hyperledger Blockchain Implementation

6.1 Introduction

6.2 Use Case – Car Ownership Tracking

6.3 Hyperledger Fabric

6.4 FabCar Use Case Implementation

6.5 Invoking Chaincode Functions Using Client Application

6.6 Best Practices for Chaincode Development

Chapter 7 Advanced Concepts in Blockchain

7.1 Introduction

7.2 InterPlanetary File System (IPFS)

7.3 Zero-Knowledge Proofs

7.4 Oracles

7.5 Self-Sovereign Identity

7.6 Blockchain with IoT and AI/ML

7.7 Quantum Computing and Blockchain

7.8 Initial Coin Offering

7.9 Blockchain Cloud Offerings

7.10 Blockchain and its Future Potential

Conclusion

Chapter Recap

Chapter Mind Map

Test Yourself

Assignments

References

Internet References

Possible Interview Questions and Answers

Glossary

Bibliography

Index About the Author
Ambadas is a TOGAF-certified software architect with experience in cross-technology projects in insurance, life sciences, and financial services domains. He is involved in wide variety of consultancy activities, such as enterprise architecture, legacy modernization, performance optimization in IT systems