Leanpub Header

Skip to main content
Go to Leanpub.comLeanpub

Blockchain for Documents

What do blockchain and PDF have in common? Security

iText Software

A solution to secured invoices and digital signatures in PDF documents.

Minimum price

$7.99

$9.99

You pay

$9.99

Author earns

$7.99
$

...Or Buy With Credits!

You can get credits monthly with a Reader Membership
PDF
EPUB
WEB
233
Readers
About

About

About the Book

Does this story sound familiar?

You have send out some contracts in PDF to yourclients, and would like to be able to track real time who has already singed the document, and with whom it is now. 

You've paid a digital invoice of your supplier, and afterwards it seemed to be fake - you were a victim of invoicing fraude.

These issues and many more can now be solved by Blockchain. 

What blockchain and PDF have in common?

Blockchain has become well-known because of its use with Bitcoin, but there are several lesser known applications of Blockchain and Distributed Ledger Technology (DLT).

This eBook focuses on how you can use Blockchain in combination with PDFs to write applications.

This eBook will explain you everything tou need to get started with blockchain for documents:

  • How to reduce the complexity of your code when needing digital signing and verification functionality,
  • How to assure the integrity and authenticity of a document, and
  • How to automate your document-oriented workflows.

Table of contents

  1. Why iText and Blockchain?
  2. Basic Concepts (Glossary)
  3. PDF and Digital Signatures
  4. Advantages of using Blockchain for Signing PDF Documents
  5. When Contracts aren't Smart Contracts
  6. Use Cases

Share this book

Categories

Distributed Systems

Feedback

Email the Author

Author

About the Author

iText Software

iText is one of the fastest growing technology companies in the digital document space. The company’s flagship product is an open source software library to create and manipulate PDF documents in Java and .NET (C#). There are currently millions of iText users, both open source (AGPL) and commercial. iText’s customers (software developers, technology vendors, software integrators) span the fields of technology, financial, public, government and health care sectors including many of the Fortune 500 companies. iText has dedicated international teams with offices in Belgium (Ghent), South Korea (Seoul), Singapore and in the USA (Boston). 

Contents

Table of Contents

Why iText and Blockchain?

  1. The Dematerialization of the Document
  2. How to turn a threat into an opportunity?
  3. What’s the market?

Basic Concepts (Glossary)

  1. Concepts related to Blockchain:
  2. Concepts related to PDF
  3. About our Blockchain patents

PDF and Digital Signatures

  1. Requirements that PDF digital signatures need to meet
  2. Creating a digital signature for PDF
  3. Are our initial requirements met?
  4. Potential problems inherent to digital signatures and PDF

Advantages of using Blockchain for Signing PDF documents

  1. How Blockchain can make you love the things you hate about PAdES
  2. When not to use this approach?

When Contracts aren’t Smart Contracts

Use cases

  1. Invoices
  2. Supply chain
  3. Port of Antwerp
  4. Avoid Link rot
  5. Asset management
  6. Last will and testament
  7. Sensitive information
  8. There’s more

Get the free sample chapters

Click the buttons to get the free sample in PDF or EPUB, or read the sample online here

Download Sample PDFDownload Sample EPUB

The Leanpub 60 Day 100% Happiness Guarantee

Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.

Now, this is technically risky for us, since you'll have the book or course files either way. But we're so confident in our products and services, and in our authors and readers, that we're happy to offer a full money back guarantee for everything we sell.

You can only find out how good something is by trying it, and because of our 100% money back guarantee there's literally no risk to do so!

So, there's no reason not to click the Add to Cart button, is there?

See full terms...

Earn $8 on a $10 Purchase, and $16 on a $20 Purchase

We pay 80% royalties on purchases of $7.99 or more, and 80% royalties minus a 50 cent flat fee on purchases between $0.99 and $7.98. You earn $8 on a $10 sale, and $16 on a $20 sale. So, if we sell 5000 non-refunded copies of your book for $20, you'll earn $80,000.

(Yes, some authors have already earned much more than that on Leanpub.)

In fact, authors have earned over $14 million writing, publishing and selling on Leanpub.

Learn more about writing on Leanpub

Free Updates. DRM Free.

If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).

Most Leanpub books are available in PDF (for computers) and EPUB (for phones, tablets and Kindle). The formats that a book includes are shown at the top right corner of this page.

Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.

Learn more about Leanpub's ebook formats and where to read them

Write and Publish on Leanpub

You can use Leanpub to easily write, publish and sell in-progress and completed ebooks and online courses!

Leanpub is a powerful platform for serious authors, combining a simple, elegant writing and publishing workflow with a store focused on selling in-progress ebooks.

Leanpub is a magical typewriter for authors: just write in plain text, and to publish your ebook, just click a button. (Or, if you are producing your ebook your own way, you can even upload your own PDF and/or EPUB files and then publish with one click!) It really is that easy.

Learn more about writing on Leanpub