A hands-on lab for Bitcoin, Lightning, Nostr and experimental software. Real tests, lessons, failures and discoveries from building tools, exploring decentralized protocols and learning how the technology actually works.
13 Sep 2026 3 minute read 1 comment SkyLords $0.01
I have an old netbook and that I wanted to bring back to life instead of leaving it unused. The machine has an Intel Atom N455 running at 1.66 GHz, with 1 core, 2 threads and only 2 GB of RAM. By today's standards, this is extremely limited hardware,...
31 Aug 2026 5 minute read 0 comments SkyLords $0.04
When Bitcoin mining is mentioned, the first things that come to mind are ASIC machines and the electricity bills generated by gigantic ASIC devices that produce hundreds of terahashes per second (TH/s) and consume almost as much power as small power...
29 Aug 2026 3 minute read 0 comments SkyLords $0.18
Why Am I Interested in CPU Mining? Reading articles about mining may explain some things. But when I try it myself, I experience very different things, feelings, and emotions. My goal here is not to make money from mining. I want to see how hashing,...
25 Aug 2026 3 minute read 0 comments SkyLords $0.13
I wanted to understand solo mining by actually doing it rather than only looking at probability calculators. So I ended up building two very different CPU mining experiments. The first was my Bitcoin Solo Lottery Miner. It is a small Windows applicat...
24 Aug 2026 4 minute read 4 comments SkyLords $0.07
Someone left a very fair comment under my previous article about SkySigner: “Great, but what the heck is Nostr?” Fair question. I had written about Nostr signers, permissions and security while assuming that readers already knew what Nostr was. Not...
23 Aug 2026 5 minute read 3 comments SkyLords $0.05
My laptop’s estimated time to find a Bitcoin block was around 8.6 billion years. Yes, billion. At that point, I had to admit that my mining strategy might need a few adjustments. 😄 But the experiment turned out to be much more valuable than I expect...
23 Aug 2026 2 minute read 4 comments SkyLords $0.05
I started building my own Nostr signer for a simple reason: I wanted to understand what actually happens between a Nostr client and my private key. I didn't want signing to remain a black box. That small experiment became a browser extension I call...
