1.0 Introduction 2

2.0 Defining Data Privacy 2
2.1 Approaches to Data Privacy Strategies 3
2.2 Confidentiality and Anonymity 4
2.3 “Cash-like” Privacy 6

3.0 Data Privacy Tools for Digital Assets 7
3.1 Foundational Privacy-Enhancing Technologies (PET) 8
3.2 Emerging Options for Privacy Preservation during Data Auditing 11
3.3 Data Privacy Techniques 12
3.4 Digital Asset Privacy Tools 13
3.5 Privacy Tool Considerations for Tiered Architectures 15
3.6 Privacy Tool Use Cases for a Multi-Tiered System 17

4.0 Additional Data Privacy Strategy Considerations 18
4.1 Network Architectures 18
4.2 Selective Disclosure 20
4.3 Digital Wallets 21
4.4 Prevention of Illicit Activity 21
4.5 Throughput and Performance 22

5.0 Conclusion 22

References 24