Combining Blockchain and Biometrics: A Survey on Technical Aspects and a
First Legal Analysis
- URL: http://arxiv.org/abs/2302.10883v1
- Date: Tue, 21 Feb 2023 18:58:32 GMT
- Title: Combining Blockchain and Biometrics: A Survey on Technical Aspects and a
First Legal Analysis
- Authors: Mahdi Ghafourian, Bilgesu Sumer, Ruben Vera-Rodriguez, Julian Fierrez,
Ruben Tolosana, Aythami Moralez, and Els Kindt
- Abstract summary: This paper provides a survey of technical literature research on the combination of blockchain and biometrics.
It includes a first legal analysis of this integration to shed light on challenges and potentials.
- Score: 2.9023633922848586
- License: http://creativecommons.org/licenses/by-nc-nd/4.0/
- Abstract: Biometric recognition as a unique, hard-to-forge, and efficient way of
identification and verification has become an indispensable part of the current
digital world. The fast evolution of this technology has been a strong
incentive for integrating it into many applications. Meanwhile, blockchain, the
very attractive decentralized ledger technology, has been widely received both
by the research and industry in the past years and it is being increasingly
deployed nowadays in many different applications, such as money transfer, IoT,
healthcare, or logistics. Recently, researchers have started to speculate what
would be the pros and cons and what would be the best applications when these
two technologies cross paths. This paper provides a survey of technical
literature research on the combination of blockchain and biometrics and
includes a first legal analysis of this integration to shed light on challenges
and potentials. While this combination is still in its infancy and a growing
body of literature discusses specific blockchain applications and solutions in
an advanced technological set-up, this paper presents a holistic understanding
of blockchains applicability in the biometric sector. This study demonstrates
that combining blockchain and biometrics would be beneficial for novel
applications in biometrics such as the PKI mechanism, distributed trusted
service, and identity management. However, blockchain networks at their current
stage are not efficient and economical for real-time applications. From a legal
point of view, the allocation of accountability remains a main issue, while
other difficulties remain, such as conducting a proper Data Protection Impact
Assessment. Finally, it supplies technical and legal recommendations to reap
the benefits and mitigate the risks of the combination.
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