Quantum Blockchain -

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Résumé :

Preface xix

1 Introduction to Classical Cryptography 1
Vani Rajasekar, Premalatha J., Rajesh Kumar Dhanaraj and Oana Geman

1.1 Introduction 2

1.2 Substitution Ciphers 2

1.3 Transposition Cipher 8

1.4 Symmetric Encryption Technique 10

1.5 Asymmetric Encryption Technique 17

1.6 Digital Signatures 22

References 28

2 Quantum Cryptographic Techniques 31
Malathy S., Santhiya M. and Rajesh Kumar Dhanaraj

2.1 Post-Quantum Cryptography 32

2.2 Strength of Quantum Cryptography 32

2.3 Working Principle of Quantum Cryptography 32

2.4 Example of Quantum Cryptography 33

2.5 Fundamentals of Quantum Cryptography 34

2.6 Problems With the One-Time Pad and Key Distribution 35

2.7 Quantum No-Cloning Property 36

2.8 Heisenberg Uncertainty Principle 37

2.9 Quantum Key Distribution 38

2.10 Cybersecurity Risks Prevailing in Current Cryptographic Techniques 39

2.11 Implementation of Quantum-Safe Cryptography 40

2.12 Practical Usage of Existing QKD Solutions 41

2.13 Attributes of Quantum Key Distribution 41

2.14 Quantum Key Distribution Protocols 44

2.15 Applications of Quantum Cryptography 49

2.16 Conclusion 52

References 52

3 Evolution of Quantum Blockchain 55
Dinesh Komarasamy and Jenita Hermina J.

3.1 Introduction of Blockchain 55

3.2 Introduction of Quantum Computing 62

3.3 Restrictions of Blockchain Quantum 65

3.4 Post-Quantum Cryptography Features 72

3.5 Quantum Cryptography 73

3.6 Comparison Between Traditional and Quantum-Resistant Cryptosystems 76

3.7 Quantum Blockchain Applications 77

3.8 Blockchain Applications 77

3.9 Limitations of Blockchain 78

3.10 Conclusion 79

References 79

4 Development of the Quantum Bitcoin (BTC) 83
Gaurav Dhuriya, Aradhna Saini and Prashant Johari

4.1 Introduction of BTC 84

4.2 Extract 87

4.3 Preservation 89

4.4 The Growth of BTC 97

4.5 Quantum Computing (History and Future) 98

4.6 Quantum Computation 99

4.7 The Proposal of Quantum Calculation 101

4.8 What Are Quantum Computers and How They Exertion? 102

4.9 Post-Quantum Cryptography 104

4.10 Difficulties Facing BTC 105

4.11 Conclusion 106

References 107

5 A Conceptual Model for Quantum Blockchain 109
Vijayalakshmi P., Abraham Dinakaran and Korhan Cengiz

5.1 Introduction 110

5.2 Distributed Ledger Technology 110

5.3 Hardware Composition of the Quantum Computer 115

5.4 Framework Styles of Quantum Blockchain 115

5.5 Fundamental Integrants 122

5.6 Conclusion 124

References 124

6 Challenges and Research Perspective of Post-Quantum Blockchain 127
Venu K. and Krishnakumar B.

6.1 Introduction 128

6.2 Post-Quantum Blockchain Cryptosystems 136

6.3 Post-Quantum Blockchain Performance Comparison 154

6.4 Future Scopes of Post-Quantum Blockchain 168

6.5 Conclusion 170

References 170

7 Post-Quantum Cryptosystems for Blockchain 173
K. Tamil Selvi and R. Thamilselvan

7.1 Introduction 174

7.2 Basics of Blockchain 174

7.3 Quantum and Post-Quantum Cryptography 177

7.4 Post-Quantum Cryptosystems for Blockchain 180

7.5 Other Cryptosystems for Post-Quantum Blockchain 195

7.6 Conclusion 196

References 199

8 Post-Quantum Confidential Transaction Protocols 201
R. Manjula Devi, P. Keerthika, P. Suresh, R. Venkatesan, M. Sangeetha, C...