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Open AccessArticle

An Architecture for Biometric Electronic Identification Document System Based on Blockchain

1
Department of Computer Science Engineering, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
2
Department of Electronics Engineering, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
This paper is an extended version of the paper entitled “Consensus Algorithm for a Private Blockchain”, presented at 2019 IEEE 9th International Conference on Electronics Information and Emergency Communication (ICEIEC), Beijing, China, 12–14 July 2019.
Future Internet 2020, 12(1), 10; https://doi.org/10.3390/fi12010010
Received: 19 December 2019 / Revised: 8 January 2020 / Accepted: 9 January 2020 / Published: 11 January 2020
(This article belongs to the Special Issue Smart Cities, Innovation, and Multi-Dimensionality)
This paper proposes an architecture for biometric electronic identification document (e-ID) system based on Blockchain for citizens identity verification in transactions corresponding to the notary, registration, tax declaration and payment, basic health services and registration of economic activities, among others. To validate the user authentication, a biometric e-ID system is used to avoid spoofing and related attacks. Also, to validate the document a digital certificate is used with the corresponding public and private key for each citizen by using a user’s PIN. The proposed transaction validation process was implemented on a Blockchain system in order to record and verify the transactions made by all citizens registered in the electoral census, which guarantees security, integrity, scalability, traceability, and no-ambiguity. Additionally, a Blockchain network architecture is presented in a distributed and decentralized way including all the nodes of the network, database and government entities such as national register and notary offices. The results of the application of a new consensus algorithm to our Blockchain network are also presented showing mining time, memory and CPU usage when the number of transactions scales up. View Full-Text
Keywords: biometric systems; identification technologies; authentication; smart government; electronic identity document (e-ID); Blockchain technology (BCT) biometric systems; identification technologies; authentication; smart government; electronic identity document (e-ID); Blockchain technology (BCT)
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Páez, R.; Pérez, M.; Ramírez, G.; Montes, J.; Bouvarel, L. An Architecture for Biometric Electronic Identification Document System Based on Blockchain . Future Internet 2020, 12, 10.

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