YubiKey 5C NFC: The Ultimate Ubuntu 25.10 Hardening Guide

From Boot to Shell: Zero Passwords, Maximum Security

Bypass Crypto.com's 2.72% Hidden FX Spread (Europeans only)

CdC App silently charges 2.72% FX spread on crypto→EUR card top-ups (€136 per €5K). Same trade on CdC Exchange: ≤0.5% (€25). Fix: Exchange→Revolut→App via SEPAInstant (30s, free).

Pro Tip: How to properly use Crypto.com Exchange CSV for Koinly.

Why Bitcoin Matters — Even If You Clean Toilets

Bitcoin isn’t about profit. It’s about respect for labor.

🚀 How to Solo Mine Bitcoin with Bitaxe Touch, Bitcoin Knots, and own Stratum pool

A full guide to building a sovereign solo mining setup with Bitaxe, Bitcoin Knots, and own Stratum pool — using open-source tools, your own node, and full control of block templates.

Step-by-Step: Mining Bitcoin with DATUM Gateway + OCEAN Mining Pool Using Your Bitcoin Knots Node

This guide shows how to run a DATUM Gateway alongside your Bitcoin Knots node to mine Bitcoin via the OCEAN pool. By connecting your miners to the gateway, you retain full control over block templates while enjoying pooled mining benefits, including lower variance and direct payouts to your Bitcoin address. The guide provides complete, ready-to-run configurations for Bitcoin Knots, DATUM Gateway, and systemd.

Silenced Shadows & Broken Bonds: How Overzealous Censorship Impacts Business and Community

Navigating the pitfalls of overzealous censorship on major platforms and advocating for FOSS alternatives.

Understanding the Nonce in Blockchain: Security and Functionality Across Bitcoin, Ethereum, and Cosmos/CometBFT

This article explores the critical role of the "nonce" in blockchain technology, particularly its use in Bitcoin, Ethereum, and Cosmos/CometBFT platforms, highlighting its importance in ensuring transaction security and uniqueness in different blockchain systems.

No Swap, No Surprises: Why Kubernetes Works Better Without It

Debunking the myths around swap usage in Kubernetes with a systems-level perspective — and advocating for deterministic failure, better diagnostics, and improved stability, observability, and performance in containerized environments.