| Vol-3968 urn:nbn:de:0074-3968-X Copyright © 2025 for the individual papers by the papers' authors. Copyright © 2025 for the volume as a collection by its editors. This volume and its papers are published under the Creative Commons License Attribution 4.0 International (CC BY 4.0).

# TDI 2025
Trends in Digital Identity 2025

### Proceedings of the 3rd International Workshop on Trends in Digital Identity (TDI 2025)
co-located with the Joint National Conference on Cybersecurity (ITASEC & SERICS 2025)

### Bologna, Italy, February 3, 2025.

Edited by

### Marco Pernpruner 1
Giada Sciarretta 1

1 Center for Cybersecurity, Fondazione Bruno Kessler, Via Sommarive 18, Trento, Italy

## Table of Contents

- Preface
  Summary: There were 7 papers submitted for peer-review to this workshop. Out of these, 4 papers were accepted for this volume, 2 as regular papers and 2 as short papers.

### Invited Papers

- A Model-Theoretic Approach to Digital Identity 1-6
  Luca Boldrin
- Digital Identity Wallet: An Enabler to Inclusive Digital Citizenship 7-11
  Rosalia Galeano
- Profiles for Achieving Compliance and Interoperability in the EUDI Wallet Ecosystem 12-15
  Andreea Prian

### Regular Papers

- Electronic Attestation of Attributes Extended Validation Services 16-25
  Luigi Castaldo, Gianmario Cortese, Simone Izzo, Fabrizio Balsamo
- On Delegation of Verifiable Presentations 26-38
  Andrea Flamini, Andrea Gangemi, Enrico Guglielmino, Vincenzo Orabona

### Short Papers

- did:self – A Registry-Less DID Method 39-46
  Nikos Fotiou, George C. Polyzos, Vasilios A. Siris
- Performance Evaluation of Self-Sovereign Identity 47-55
  Emin Adem Buran, Christian Prehofer, Srivatsav Chenna

### Additional Resources

- BibTeX file for citing papers of this workshop from LaTeX

2025-05-22: submitted by Marco Pernpruner, metadata incl. bibliographic data published under Creative Commons CC0
2025-05-25: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|