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Decentralized Identity Explained

You're reading from   Decentralized Identity Explained Embrace decentralization for a more secure and empowering digital experience

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Product type Paperback
Published in Jul 2024
Publisher Packt
ISBN-13 9781804617632
Length 392 pages
Edition 1st Edition
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Author (1):
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Rohan Pinto Rohan Pinto
Author Profile Icon Rohan Pinto
Rohan Pinto
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Table of Contents (22) Chapters Close

Preface 1. Part 1 - Digital Identity Era: Then
2. Chapter 1: The History of Digital Identity FREE CHAPTER 3. Chapter 2: Identity Management Versus Access Management 4. Part 2 - Digital Identity Era: Now
5. Chapter 3: IAM Best Practices 6. Chapter 4: Trust Anchors/Sources of Truth and Their Importance 7. Chapter 5: Historical Source of Authority 8. Chapter 6: The Relationship between Trust and Risk 9. Chapter 7: Informed Consent and Why It Matters 10. Chapter 8: IAM – the Security Perspective 11. Part 3 - Digital Identity Era: The Near Future
12. Chapter 9: Self-Sovereign Identity 13. Chapter 10: Privacy by Design in the SSI Space 14. Chapter 11: Relationship between DIDs and SSI 15. Chapter 12: Protocols and Standards – DID Standards 16. Chapter 13: DID Authentication 17. Chapter 14: Identity Verification 18. Part 4 - Digital Identity Era: A Probabilistic Future
19. Chapter 15: Biometrics Security in Distributed Identity Management 20. Index 21. Other Books You May Enjoy

The World Wide Web

The World Wide Web, or simply the web, has transformed the way we interact, share information, and conduct business. Sir Tim Berners-Lee, a British computer scientist, envisioned a system that would let individuals explore and retrieve information stored on multiple computers effortlessly in the late 1980s. This concept resulted in the construction of the first web browser, Hypertext Markup Language (HTML), and the deployment of Hypertext Transfer Protocol (HTTP).

The first graphical web browser, launched publicly in August 1991, was supported by HTTP, HTML, and web servers. Then came PKI and CA technology, resulting in secure HTTP (HTTPS) websites with identities users could trust and with whom they could transmit information safely across different encrypted routes.

Identity management was not a significant concern in the early days of the web. Users could surf websites, get information, and connect with others while remaining anonymous. Websites were more concerned with delivering material and functioning than with confirming their users’ identities. However, as the web grew in popularity and e-commerce grew in popularity, the necessity for dependable identity management became obvious.

The introduction of usernames and passwords was the first step toward web identity management. To access personalized features and secure their information, websites began requiring users to establish accounts and select a unique username and password combination. While this was an important step forward, it resulted in the proliferation of passwords and the difficulty of remembering them across numerous websites.

Single sign-on (SSO) solutions evolved to address the rising problem of password fatigue. SSO allows users to utilize a single set of credentials to log in to different websites and apps. OpenID and OAuth systems enabled users to identify themselves using a trusted third-party identity provider, such as Google or Facebook, minimizing the need to generate and remember multiple usernames and passwords.

The growth of social media platforms and online services altered the web’s identity management environment even more. Platforms such as Facebook, Twitter, and LinkedIn have grown in popularity not only for social interactions but also as centralized identity suppliers. Many websites began to provide social login options, allowing users to check in using their social network profiles. This expedited the user registration process and gave websites access to verified user information.

While centralized identity providers provided convenience, they also posed privacy, security, and data management issues. Decentralized identification and self-sovereign identity (SSI) evolved as a result. Users may control their identification information with a decentralized identity, reducing the need for middlemen and central authority. Blockchain and distributed ledger technology (DLT) lay the groundwork for safe and verified identity management solutions.

The notion of verifiable credentials gained significance with the emergence of decentralized identities. Verifiable credentials are digital representations of identifying information supplied by reputable organizations. They can be cryptographically signed and tamper-proof, allowing people to exchange specified qualities or credentials with others while maintaining control over their data. Users may securely store and maintain their verified credentials with digital identity wallets supported by decentralized technology.

Privacy and user consent become increasingly important as identity management advances. Individuals should have control over the information they provide and the opportunity to adjust their data usage preferences. Zero-knowledge proofs and differential privacy, for example, can aid in striking a balance between identity verification and the protection of sensitive personal data.

With developing technologies, the future of identity management on the web looks bright. Biometric authentication systems, such as face recognition and fingerprint scanning, provide quick and safe identity verification. Artificial intelligence and machine learning algorithms can aid in the detection and prevention of identity fraud. Furthermore, developing standards such as the Decentralized Identifier (DID) specification from the Decentralized Identity Foundation seek to provide a uniform foundation for decentralized identity management.

Identity management has developed tremendously from the early days of the web to the present. What began as anonymous surfing evolved into a world of usernames, passwords, centralized identity providers, and, more recently, decentralized identity solutions. As technology advances, the future offers the promise of user-centric, privacy-preserving, and secure identity management systems on the web, allowing individuals to confidently and securely manage their digital identities.

Now that we’ve explored the evolution and influence of the World Wide Web, we’ll turn our attention to how identities are managed and portrayed in this digital age. Identity 2.0 has gained traction in social networks, where user identity verification and control are critical. In the next section, we will look at Identity 2.0 and its implications for privacy, security, and user engagement on social networks.

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Decentralized Identity Explained
Published in: Jul 2024
Publisher: Packt
ISBN-13: 9781804617632
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