Module
5
|
24
mins

Digital Identities

Professor

Prof. Paolo Tasca

The module is taught by Prof. Paolo Tasca, digital economist, Co-founder and Executive Chairman of Exponential Science and experienced blockchain entrepreneur and advisor to global institutions, including the United Nations and central banks.

Professor

Prof. Nikhil Vadgama

This module is taught by Prof. Nikhil Vadgama, Programme Director of the MSc Financial Technology at UCL and Director of Exponential Science, with extensive experience in fintech and collaborating with governments, industry, and central banks worldwide.

What you’ll learn

  1. What is digital identity and why it matters?
  2. Core components of digital identity systems
  3. Centralised, federated and decentralised identity models
  4. How SSI works: DIDs, verifiable credentials, wallets
  5. The SSI trust triangle: issuers, holders, verifiers
  6. Digital identity as a Web3 trust layer
  7. Hedera as a decentralised identity infrastructure
  8. Biometrics, ethics and current regulatory debates
  9. Pros and cons of digital identity systems
  10. Real-world applications of digital identity

Key takeaways:

  • Digital identity is a structured set of attributes used to identify, authenticate and authorise individuals online.
  • Centralised and federated systems create dependency and concentrate sensitive user data.
  • SSI gives users control over their credentials through DIDs and secure identity wallets.
  • The SSI trust triangle enables verification without contacting the original issuer.
  • Zero-knowledge proofs allow users to disclose only the necessary information.
  • SSI provides a privacy-preserving trust layer for Web3 ecosystems.
  • Biometric identifiers bring about significant ethical and regulatory concerns.
  • Trustworthy identity systems require transparency, interoperability and strong governance.
Published:
12 Aug 2024
Created:
13 Aug 2025
Edited:
12 Aug 2024

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