In the expansive realm of academia, certificates stand as beacons of achievement and unwavering dedication. However, in the digital age, a lurking threat emerges: certificate forgery. This is where the Trust Certification System (TCS) steps in as a robust solution, combining the might of blockchain with an intuitive decentralized application…

Introduction In a world where technology and creativity intersect, digital art and NFTs have established a new paradigm in the art industry. At the heart of this revolution emerges ArtNiche, an NFT collectibles marketplace built with Hardhat and Solidity. …

ThunderOTP — an architectural approach implemented by lightweight cloud-native microservices using Kotlin — Passwordless authentication has been gaining traction, and the main reason is the lack of security that passwords offer today, as passwords are reused and stolen more and more frequently. The second reason is that passwords have to be increasingly complex, which degrades the user experience.

An architectural proposal for the storage and indexing of the content of a large number of files of various formats, which will offer the ability to perform advanced searches and improve content organization. — In this article I would like to show you in detail a project in which I have been working on a personal level with the aim of deepening the use of Apache Nifi technology, widely used for the implementation of ETL flows. The main objective of the project is to…

Internet of Things (IoT) and Event Streaming at Scale with Apache Kafka and MQTT. With the boom in the number of IoT devices in recent years, relatively new use cases for IoT and sensor data, such as smart factories and smart cities, have led to time series data being produced…

A microservices ETL architecture for the ingestion and analysis of Tweets about the COVID-19. The health alert situation derived from the COVID-19 crisis is generating a lot of opinions and information in mass media like Twitter. …