Summary

This chapter investigated the notion of privacy by design, highlighting the need for prioritizing privacy at all stages of digital system development. It provided seven principles, including end-to-end security, transparency, and respect for user privacy, as well as implementation methodologies and examples to demonstrate their practical use. It also discussed the importance of protocols and standards in the digital age, emphasizing their role in facilitating interoperability, security, and privacy while presenting instances of their practical use. The chapter also examined the W3C Verifiable Credentials Data Model and its function in standardizing VCs while ensuring compatibility and security. Overall, it emphasized the significance of PbD and the role of standards and protocols in fostering a safe, efficient, and privacy-conscious digital society.

In the next chapter, we shall take a look at DID authentication and the methods to leverage DIDs for passwordless access into...