Buzharovski Spiro - Introducing Blockchain With Java. Program, Implement, And Extend Blockchains With Java.pdf

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Introducing
Blockchain
with Java
Program, Implement, and Extend
Blockchains with Java
—
Spiro Buzharovski
Introducing
Blockchain with Java
Program, Implement,
and Extend Blockchains
with Java
Spiro Buzharovski
Introducing Blockchain with Java: Program, Implement, and Extend
Blockchains with Java
Spiro Buzharovski
Skopje, North Macedonia
ISBN-13 (pbk): 978-1-4842-7926-7
https://doi.org/10.1007/978-1-4842-7927-4
ISBN-13 (electronic): 978-1-4842-7927-4
Copyright © 2022 by Spiro Buzharovski
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Dedicated to my friends.
Table of Contents
About the Author �½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½ix
About the Technical Reviewer �½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½xi
Preface �½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½xiii
Chapter
1: Introduction to Blockchain�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½1
1.1 Motivation and Basic Definitions.....................................................................2
1.2 Encryption .......................................................................................................7
1.2.1 Functions ................................................................................................8
1.2.2 Symmetric-Key Algorithm ......................................................................9
1.2.3 Asymmetric-Key Algorithm ...................................................................10
1.3 Hashing .........................................................................................................13
1.4 Smart Contracts ............................................................................................15
1.5 Bitcoin ...........................................................................................................15
1.6 Example Workflows.......................................................................................16
1.7 Summary.......................................................................................................16
Chapter
2: Model: Blockchain Core �½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½19
2.1 Block.java......................................................................................................20
2.2 Transaction.java ............................................................................................27
2.3 Wallet.java .....................................................................................................35
2.4 Summary.......................................................................................................37
v

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