---
title: "Blog · Felipe Pontiggia"
description: "thoughts, notes, and whatever else is on my mind."
url: "https://www.felipepontiggia.com/blog"
lang: "en"
---

# blog

thoughts, notes, and whatever else is on my mind.

-   [
    
    ## AI From Scratch Chapter 1
    
    Mar 8, 2026
    
    I knew how to use AI tools but not how they worked under the hood. So I started from a single neuron and built up from there.
    
    ](https://www.felipepontiggia.com/blog/ai-from-scratch-chapter-1)
-   [
    
    ## React2Shell: The React Server Components rabbit hole
    
    Dec 4, 2025
    
    A critical vulnerability in React Server Components. Deep dive into the Flight protocol, the actual bug, and how far I got trying to build the exploit.
    
    ](https://www.felipepontiggia.com/blog/CVE-2025-55182)
-   [
    
    ## why writing?
    
    Nov 26, 2025
    
    from never reading books to writing daily TODOs—how a simple agenda changed everything and led me to start this blog
    
    ](https://www.felipepontiggia.com/blog/why-writing)