Blockchain: The Industrial Revolution of the Internet
Why blockchain goes beyond cryptocurrency: supply chains, identity, voting, and how decentralized trust reshapes modern digital systems.
Posts tagged "Tech"
Tutorials, guides, and technical articles.
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WebVR with A-Frame
Building VR experiences with HTML — my talk at Pereira Tech Talks on A-Frame, Mozilla's framework bringing virtual reality to the web with zero configuration.
Comparative Analysis of Sorting Algorithms
An academic experiment comparing sorting algorithms—complexity analysis and real execution times across two server configurations.
How to Submit Google Forms via Postman and Ajax
Connect a static contact form to Google Forms via HTTP POST — no iframe needed. Step-by-step guide with Postman and jQuery Ajax.
Microservices Architecture and APIs with GraphQL
Why I moved from REST to GraphQL for microservices — divide and conquer, client-defined queries, and the trade-offs you need to know.
Introduction to Blockchain and Ethereum
From Bitcoin's blockchain to Ethereum's smart contracts — demystifying crypto for the Pereira JS community with a live Solidity demo.
What is Blockchain and How Will It Radically Transform the Economy?
I gave this talk at Universidad de Caldas — tracing blockchain from the history of money to building decentralized apps with JavaScript.
Introduction to Meteor.js
My first tech talk ever — building a real-time chat app with Meteor.js from zero to working prototype in minutes, with reactive data and no WebSockets setup.
One Afternoon, One Chat App, One Framework That Changed How I Think
The story of building a fully functional real-time chat with Meteor.js in a single afternoon — to prove to a room full of developers that it could be done.
Music Library PHP: My First Website
The story behind my first web project — a university database course final that became my introduction to PHP, SQLite, and web development.