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Blockchain Development for Finance Projects

You're reading from   Blockchain Development for Finance Projects Building next-generation financial applications using Ethereum, Hyperledger Fabric, and Stellar

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Product type Paperback
Published in Jan 2020
Publisher Packt
ISBN-13 9781838829094
Length 530 pages
Edition 1st Edition
Languages
Concepts
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Author (1):
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Ishan Roy Ishan Roy
Author Profile Icon Ishan Roy
Ishan Roy
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Table of Contents (17) Chapters Close

Preface 1. Section 1: Blockchain Payments and Remittances
2. Blockchain in Financial Services FREE CHAPTER 3. Building a Blockchain Wallet for Fungible and Non-Fungible Assets 4. Designing a Payment Gateway for Online Merchants 5. Corporate Remittances and Settlement 6. Enabling Cross-Border Remittances with Real-Time KYC/AML Verification 7. Section 2: Blockchain Workflows Using Smart Contracts
8. Building a Letter of Credit Workflow Module Using Smart Contracts 9. Section 3: Securing Digital Documents and Files Using Blockchain
10. Building a Tamper-Proof Document Storage System 11. Section 4: Decentralized Trading Exchanges Using Blockchain
12. Building a Decentralized Trading Exchange 13. Developing a Currency Trading Exchange for Market Making 14. Looking into the Future 15. Other Books You May Enjoy Appendix: Application Checklist

Building a Tamper-Proof Document Storage System

Blockchain's inherent property of immutability makes it an excellent tool for securing information and records. Once stored in a blockchain, data cannot be modified or updated. This is due to the distributed nature of the and its use of hash functions and cryptography. In this chapter, we'll be leveraging this feature of blockchain to build a module that will secure the contents of a document repository. To achieve this, we'll be using Hyperledger Fabric 1.4. Our solution will record hash signatures for the documents within a repository on a private Hyperledger Fabric network. It will then monitor all the recorded files and check at fixed time intervals to see whether the files have been tampered with or modified. Additionally, it'll check whether any new files have been added or modified. If any changes have...

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