Siwan Noh, Seolah Jang, Kyung-Hyune Rhee

KIPS Transactions on Computer and Communication Systems, Vol. 9, No. 12, pp. 315-320, Dec. 2020
https://doi.org/10.3745/KTCCS.2020.9.12.315,   PDF Download:
Keywords: Blockchain, Decentralized Identity, identity authentication
Abstract

Identity authentication is an important technology that has long been used in society to identify individuals and provide appropriate services. With the development of the Internet infrastructure, many areas have expanded into online areas, and identity authentication technologies have also expanded online. However, there is still a limit to identity authentication technology that relies entirely on trusted third parties like the government. A centralized identity management system makes the identification process between agencies with different identity management systems very complex, resulting in a waste of money and time for users. In particular, the limits of the centralized identity management system were clearly revealed in the face mask shortage in the 2020 COVID-19 crisis. A Decentralized Identity (DID) is a way for users to manage their identity on their own, and recently, a number of DID platform based on blockchain technology have been proposed. In this paper, we analyze the limitations of the existing centralized identity management system and propose a DID system that can be utilized in future national emergency situations such as COVID-19.

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