Abstract
Issuing vouchers is a means of implementing social welfare. There are some security concerns about paper-based vouchers, such as counterfeiting, reproducing, their low operating efficiency and so on. This study explores how to apply blockchain technology and cryptography to build a secure e-voucher system in order to solve various shortcomings of paper vouchers. A feasible application model is proposed that integrates blockchain technology in the context of vouchers to support the field of social welfare. In this study, we conducted an analysis to prove that the security requirements of the e-voucher system are met when applying this model. Subsequently, we used the Hyperledger Fabric blockchain platform and Kafka ordering services to implement the campus welfare meal voucher system. A large number of experimental data were obtained to show that the system has a satisfactory performance. In the conclusion section, we discussed the theoretical and management implications of this study, and how this study meets UN Sustainable Development Goals.
Highlights
The 2030 Agenda for Sustainable Development and its Sustainable Development Goals set a series of key development goals for developed and developing countries to eliminate poverty, protect the planet and ensure the prosperity of all people
This research proposes an electronic voucher system based on blockchain technology, and the system is mainly applied to the issuance and redemption of vouchers with social welfare purposes; that is, the issuer of vouchers may be the government or non-profit organization, and the holders of vouchers have specific qualifications, such as those who are economically disadvantaged or people with specific occupations
The basic model relates to the functions of blockchain network management, such as Certificate Authority (CA) management, and the user’s public and private key generation
Summary
The 2030 Agenda for Sustainable Development and its Sustainable Development Goals set a series of key development goals for developed and developing countries to eliminate poverty, protect the planet and ensure the prosperity of all people. Issuing vouchers is one of the ways in which a government or non-profit organization can implement a social welfare program [4,5], as near-cash transfer has some benefits, such as increased income, consumption, expenditure and asset accumulations, and improved health outcomes [6].
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