Blog
Sharing some ideas, thoughts, tutorials and documentation
November 20, 2025
Setting Up a Local Bitcoin Dev Environment (Regtest, Fulcrum, Mempool, Ord)
Set up a fully local Bitcoin development environment using Docker, Bitcoin Core in regtest mode, Fulcrum Electrum server, Mempool block explorer, and optional ord for inscriptions.
8 min read
November 6, 2025
Server-Sent Events (SSE) in Node.js: From Monoliths to Distributed Systems
We will explore how to use Server-Sent Events (SSE) in Node.js — from simple single-server setups to distributed, event-driven systems using BullMQ.
15 min read
October 19, 2025
Birthday Attacks: Why intuitive probabilities lie
Why do 23 people have a 50% chance of a shared birthday? This paradox explains the "birthday attack," a crypto exploit that finds hash collisions fast.
8 min read
May 14, 2025
How to Expand a docker VHDX Disk in Windows Without Data Loss
Need to expand a fixed-size VHDX in Windows? This guide shows how to mount, resize, and safely reclaim space inside ext4 disks (WSL2-compatible).
5 min read
May 9, 2025
Move Docker Desktop Data to Another Fixed Drive on Windows
Learn how to move Docker Desktop data to another drive on Windows using a custom fixed-size VHDX disk with Hyper-V.
4 min read
May 6, 2025
How to Enable Hyper-V on Windows
Enable Hyper-V on Windows to run Docker Desktop and other virtualization tools.
4 min read
January 16, 2024 (Last update at April 16, 2025)
How to backup your docker service named volume
A quick guide to backing up Docker named volumes manually and automatically using best practices.
5 min read