QRQueijo: sistema de emissão e validação de identificadores de queijos utilizando Blockchain

Image by Sociedade Brasileira de Tecnologia da Informação Image by Sociedade Brasileira de Tecnologia da Informação


This work aimed to develop an application that can generate identifiers for cheese and through a Blockchain network to validate such information. For this, a study was carried out on the functioning of a Blockchain and its characteristics of security, immutability, and scalability. The possibility of using Blockchain in the traceability of food products was identified. With this, the modeling and implementation of a system for recording data about cheeses and their manufacturers in a Blockchain were carried out. Such registration allows us to validate the information and make it available to consumers through the QRQuejio mobile application and to verify the authenticity of the data, through reading in the system database and the Blockchain, thus confirming the authenticity of the records.

Sociedade Brasileira de Tecnologia da Informação, 2020
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Anderson Morais
Anderson Morais
Grad Student

My research interests include Distributed Systems, Object-Oriented Programming, Web and Mobile Development, and Database Management.

Ademário Silva
Ademário Silva
Full-Stack Software Developer

My research interests include Android, Back-end Development, API integrations, Business Rules, and Software Development.

Sergio Mendonca
Sergio Mendonca
Professor of Computer Science

My research interests include the Internet of Things, Blockchain and Cryptocurrencies, Cryptography and Network Security, Computer Simulations, and Programming.

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