---
_id: '59019'
abstract:
- lang: eng
  text: To facilitate the growing demand for a universal means of digital identification
    across services, while preserving user control and privacy, multiple digital identity
    implementations have emerged. From a technical perspective, many of these rely
    on established concepts within cryptography, allowing them to provide benefits
    in terms of security and privacy. Recent legislation also promises broader recognition
    and acceptance of digital identities, both in the digital world and beyond. However,
    research into the usability, accessibility, and user understanding of digital
    identities is rare. We argue that the development of usable digital identity wallets
    is vital to the successful and inclusive application of digital identities in
    society. In this vision paper, we describe our research plans for obtaining a
    better understanding of how to develop these usable digital identities wallets.
author:
- first_name: Yorick
  full_name: Last, Yorick
  id: '100966'
  last_name: Last
  orcid: 0009-0008-9529-2427
- first_name: Patricia
  full_name: Arias Cabarcos, Patricia
  id: '92804'
  last_name: Arias Cabarcos
citation:
  ama: 'Last Y, Arias Cabarcos P. Vision: Towards True User-Centric Design for Digital
    Identity Wallets. In: <i>Symposium on Usable Security and Privacy (USEC) 2025</i>.
    ; 2025.'
  apa: 'Last, Y., &#38; Arias Cabarcos, P. (2025). Vision: Towards True User-Centric
    Design for Digital Identity Wallets. <i>Symposium on Usable Security and Privacy
    (USEC) 2025</i>. Symposium on Usable Security and Privacy (USEC) 2025, San Diego,
    U.S.A.'
  bibtex: '@inproceedings{Last_Arias Cabarcos_2025, title={Vision: Towards True User-Centric
    Design for Digital Identity Wallets}, booktitle={Symposium on Usable Security
    and Privacy (USEC) 2025}, author={Last, Yorick and Arias Cabarcos, Patricia},
    year={2025} }'
  chicago: 'Last, Yorick, and Patricia Arias Cabarcos. “Vision: Towards True User-Centric
    Design for Digital Identity Wallets.” In <i>Symposium on Usable Security and Privacy
    (USEC) 2025</i>, 2025.'
  ieee: 'Y. Last and P. Arias Cabarcos, “Vision: Towards True User-Centric Design
    for Digital Identity Wallets,” presented at the Symposium on Usable Security and
    Privacy (USEC) 2025, San Diego, U.S.A., 2025.'
  mla: 'Last, Yorick, and Patricia Arias Cabarcos. “Vision: Towards True User-Centric
    Design for Digital Identity Wallets.” <i>Symposium on Usable Security and Privacy
    (USEC) 2025</i>, 2025.'
  short: 'Y. Last, P. Arias Cabarcos, in: Symposium on Usable Security and Privacy
    (USEC) 2025, 2025.'
conference:
  location: San Diego, U.S.A.
  name: Symposium on Usable Security and Privacy (USEC) 2025
date_created: 2025-03-14T23:12:43Z
date_updated: 2025-03-15T09:08:45Z
department:
- _id: '679'
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://www.ndss-symposium.org/wp-content/uploads/usec25-1.pdf
oa: '1'
publication: Symposium on Usable Security and Privacy (USEC) 2025
publication_identifier:
  isbn:
  - 979-8-9919276-5-9
status: public
title: 'Vision: Towards True User-Centric Design for Digital Identity Wallets'
type: conference
user_id: '100966'
year: '2025'
...
---
_id: '53532'
abstract:
- lang: eng
  text: "Documents are largely stored and shared digitally. Yet, digital documents
    are still commonly signed using (copies of) handwritten signatures, which are
    sensitive to fraud. Though secure, cryptography-based signature solutions exist,
    they are hardly used due to usability issues. This paper proposes to use digital
    identity wallets for securely and intuitively signing digital documents with verified
    personal data. Using expert feedback, we implemented this vision in an interactive
    prototype. The prototype was assessed in a moderated usability test (\U0001D441
    = 15) and a subsequent unmoderated remote\r\nusability test (\U0001D441 = 99).
    While participants generally expressed satisfaction with the system, they also
    misunderstood how to interpret the signature information displayed by the prototype.
    Specifically, signed documents were also trusted when the document was signed
    with irrelevant personal data of the signer. We conclude that such unwarranted
    trust forms a threat to usable digital signatures and requires attention by the
    usable security community."
author:
- first_name: Yorick
  full_name: Last, Yorick
  id: '100966'
  last_name: Last
  orcid: https://orcid.org/0009-0008-9529-2427
- first_name: Jorrit
  full_name: Geels, Jorrit
  last_name: Geels
- first_name: Hanna
  full_name: Schraffenberger, Hanna
  last_name: Schraffenberger
citation:
  ama: 'Last Y, Geels J, Schraffenberger H. Digital Dotted Lines: Design and Evaluation
    of a Prototype for Digitally Signing Documents Using Identity Wallets. In: <i>Extended
    Abstracts of the CHI Conference on Human Factors in Computing Systems (CHI EA
    ’24)</i>. ACM; 2024. doi:<a href="https://doi.org/10.1145/3613905.3650977">10.1145/3613905.3650977</a>'
  apa: 'Last, Y., Geels, J., &#38; Schraffenberger, H. (2024). Digital Dotted Lines:
    Design and Evaluation of a Prototype for Digitally Signing Documents Using Identity
    Wallets. <i>Extended Abstracts of the CHI Conference on Human Factors in Computing
    Systems (CHI EA ’24)</i>. CHI Conference on Human Factors in Computing Systems,
    Honululu, HI, USA. <a href="https://doi.org/10.1145/3613905.3650977">https://doi.org/10.1145/3613905.3650977</a>'
  bibtex: '@inproceedings{Last_Geels_Schraffenberger_2024, title={Digital Dotted Lines:
    Design and Evaluation of a Prototype for Digitally Signing Documents Using Identity
    Wallets}, DOI={<a href="https://doi.org/10.1145/3613905.3650977">10.1145/3613905.3650977</a>},
    booktitle={Extended Abstracts of the CHI Conference on Human Factors in Computing
    Systems (CHI EA ’24)}, publisher={ACM}, author={Last, Yorick and Geels, Jorrit
    and Schraffenberger, Hanna}, year={2024} }'
  chicago: 'Last, Yorick, Jorrit Geels, and Hanna Schraffenberger. “Digital Dotted
    Lines: Design and Evaluation of a Prototype for Digitally Signing Documents Using
    Identity Wallets.” In <i>Extended Abstracts of the CHI Conference on Human Factors
    in Computing Systems (CHI EA ’24)</i>. ACM, 2024. <a href="https://doi.org/10.1145/3613905.3650977">https://doi.org/10.1145/3613905.3650977</a>.'
  ieee: 'Y. Last, J. Geels, and H. Schraffenberger, “Digital Dotted Lines: Design
    and Evaluation of a Prototype for Digitally Signing Documents Using Identity Wallets,”
    presented at the CHI Conference on Human Factors in Computing Systems, Honululu,
    HI, USA, 2024, doi: <a href="https://doi.org/10.1145/3613905.3650977">10.1145/3613905.3650977</a>.'
  mla: 'Last, Yorick, et al. “Digital Dotted Lines: Design and Evaluation of a Prototype
    for Digitally Signing Documents Using Identity Wallets.” <i>Extended Abstracts
    of the CHI Conference on Human Factors in Computing Systems (CHI EA ’24)</i>,
    ACM, 2024, doi:<a href="https://doi.org/10.1145/3613905.3650977">10.1145/3613905.3650977</a>.'
  short: 'Y. Last, J. Geels, H. Schraffenberger, in: Extended Abstracts of the CHI
    Conference on Human Factors in Computing Systems (CHI EA ’24), ACM, 2024.'
conference:
  location: Honululu, HI, USA
  name: CHI Conference on Human Factors in Computing Systems
date_created: 2024-04-17T11:26:46Z
date_updated: 2024-10-11T11:48:47Z
doi: 10.1145/3613905.3650977
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://arxiv.org/abs/2410.06857
oa: '1'
publication: Extended Abstracts of the CHI Conference on Human Factors in Computing
  Systems (CHI EA ’24)
publisher: ACM
status: public
title: 'Digital Dotted Lines: Design and Evaluation of a Prototype for Digitally Signing
  Documents Using Identity Wallets'
type: conference
user_id: '100966'
year: '2024'
...