Resumen:
Easing DApp Interaction for Non-Blockchain Users from a Conceptual Modelling Approach

Fecha

2021-09-22

Editor

Sistedes

Publicado en

Actas de las XXV Jornadas de Ingeniería del Software y Bases de Datos (JISBD 2021)

Licencia

CC BY-NC-ND 4.0

Resumen

Blockchain decentralized applications (DApp+IBk-s) are applications which run on blockchains nodes. Thus, to interact directly with this sort of applica-tions, users need to have a blockchain address, wallet, and knowledge about how to make transactions to interact with DApp+IBk-s. Therefore, the knowledge required to use a DApp can easily make users to desist when trying to interact with them. To tackle this issue, we propose a software ar-chitecture that will be in the middle of the user and the DApp, thus making users initially unaware of the fact that they are interacting with a DApp. This is achieved by analyzing the relationship between DApps and Apps by using UML modelling. Next, based on the previous analysis, we created a middleware for users to interact with a DApp in the same manner they do with a traditional web app, i.e., by using usernames, passwords and user in-terface elements instead of addresses, private keys or transactions. To put the developed middleware into practice, we developed a DApp that makes use of it. This DApp registers the time control of workers from companies by using blockchain to store the data in a secure and non-modifiable man-ner. Finally, we performed an experiment, thus demonstrating that a DApp that implements the proposed middleware would improve its usability for users with no experience with blockchain.

Descripción

Acerca de Teruel, Miguel A.

Palabras clave

Blockchain, Clockchain, Conceptual Modelling, DApp, Ethereum, Middleware, Quorum, Smart Contract, Solidity, UML
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