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Not Yet Another Digital ID: Privacy-Preserving Humanitarian Aid Distribution

conference contribution
posted on 2023-11-29, 18:24 authored by Boya Wang, Wouter LueksWouter Lueks, Justinas Sukaitis, Vincent Graf Narbel, Carmela Troncoso
Humanitarian aid-distribution programs help bring physical goods (e.g., food, blankets) to people in need. Traditional paper-based solutions to support aid distribution do not scale to large populations and are hard to secure. Existing digital solutions solve these issues, at the cost of collecting large amount of personal information. Failing to protect aid recipients' privacy can result on harms for them and enables surveillance in the long run. In collaboration with the International Committee of the Red Cross, we build a safe aid-distribution system in this paper. We first systematize the requirements such a system should satisfy and then propose a decentralized solution based on the use of tokens. Our design provides strong scalability and accountability, at the same time, ensures privacy by design. We provide two instantiations of our design, on a smart card and on a smartphone. We formally prove the security and privacy properties of our design, and empirically show that the two instantiations can scale to hundreds of thousands of recipients.

History

Preferred Citation

Boya Wang, Wouter Lueks, Justinas Sukaitis, Narbel Graf and Carmela Troncoso. Not Yet Another Digital ID: Privacy-Preserving Humanitarian Aid Distribution. In: IEEE Symposium on Security and Privacy (S&P). 2023.

Primary Research Area

  • Algorithmic Foundations and Cryptography

Name of Conference

IEEE Symposium on Security and Privacy (S&P)

Legacy Posted Date

2023-04-06

Open Access Type

  • Unknown

BibTeX

@inproceedings{cispa_all_3921, title = "Not Yet Another Digital ID: Privacy-Preserving Humanitarian Aid Distribution", author = "Wang, Boya and Lueks, Wouter and Sukaitis, Justinas and Graf Narbel, Vincent and Troncoso, Carmela", booktitle="{IEEE Symposium on Security and Privacy (S&P)}", year="2023", }

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