No abstract

In the development of projects that aim at management and editorial evaluation methods, mechanisms that foster the product’s quality final have great importance. In this scenario, several areas are working together in search of better adequacy and standardization in software development. A basic example is the adequations of evaluation of software engineering and computer networks, which work, so that distributed applications are developed following evaluation criteria and standardized quality standards. In this context, we present the DASP software, an open-source distributed autonomous scientific publisher executed through an allowed blockchain network, automatically organized through intelligent contracts, an alternative to the decentralized management of editorial models. As a form of evaluation, one of the most current standards used by the international organization for standardization (ISO) to perform software quality measurements, ISO/IEC 25023, is adopted. Furthermore, we focused on the security aspect, which is one of the categories of ISO/IEC. This aspect was chosen because it was based on the main features that underpin blockchain technology. The quality measurement was carried out following several steps, such as the definition of ISO/IEC 25023, an adaptation of metrics for DASP software evaluation, calculations of the quality value of each functionality, and determination of recommendations for improvements in the software according to the estimates made.

cryptocurrencies introduced and pushed the concept of Blockchain allowing the decentralized registration of information with the support of a network of untrusted participants. Using these concepts, a new model for building decentralized applications emerged, called Dapps (Decentralized Applications), which, besides being scalable, provides security and forms of incentives for participation. Despite the great attention that Dapps have received from the developer community and the innovation system, their definition is still imprecise. This paper aims to define and conceptualize Dapps and underlying technologies, as well as to propose a taxonomy that allows their classification. A study of the main Dapps proposed or recently developed using the proposed taxonomy is also presented. The definitions and the taxonomy proposed in this paper will enable a better understanding of the challenges potentials of Dapps in the context of the scientific community and industry Keywords: taxonomy, blockchain, Decentralized Applications. TAXONOMIA DO MODELO DE APLICAÇÕES DESCENTRALIZADAS BASEADAS EM BLOCKCHAINRESUMO: as criptomoedas introduziram e impulsionaram o conceito de Blockchain permitindo o registro descentralizado de informações com o suporte de uma rede de participantes não confiáveis. Utilizando esses conceitos surgiu um novo modelo para construir aplicações descentralizadas, chamado de Dapps (aplicações descentralizadas), que, além de escalável, provê segurança e formas de incentivos à participação. Apesar da grande atenção que as Dapps têm recebido por parte da comunidade de desenvolvedores e do sistema de inovação, sua definição ainda é pouco precisa. Este artigo procura definir e conceituar as Dapps e tecnologias subjacentes, bem como propor uma taxonomia que permita sua classificação. Também é apresentado um estudo sobre as principais Dapps propostas ou desenvolvidas recentemente, utilizando a taxonomia proposta. As definições e a taxonomia proposta neste artigo permitirão uma melhor compreensão dos desafios potenciais das Dapps no contexto da comunidade científica e indústria.

The Internet evolution to a fully decentralized environment has shed light over the outdated model of identity silos, which brings an illusion of privacy for the users. In this paper, we present a new generation of digital identity systems called Self-Sovereign Identity (SSI), describes the architecture of the SSI platform developed by (Hidden for submission), which is based on microservices and uses blockchain to register decentralized identifiers, data schemas and public cryptographic keys. The results of a pilot test and the challenges associated with its implementation and evolution of the platform's roadmap are also presented.