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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

Blockchain
Bitcoin
A 3D Bitcoin illustration by Shubham Dhage on Unsplash

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

Node.Js
SSE
Distributed Systems
Light trails highway by Emily Rusch on Unsplash

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

Cryptography
Algorithms
Blockchain
A birthday cake by Stephanie McCabe on Unsplash

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

Docker
WSL2
Self-Hosting
Welding by Alex Rosamello on Pexels

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

Docker
WSL2
Self-Hosting
Network cables as supply for work of system by Brett Sayles on Pexels

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

WSL2
A circuit board by Umberto on Unsplash

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

Docker
WSL2
Self-Hosting
A hard drive disk