Some things are either 0 or I.
Deeper and broader thinking on commanding binary machines; for developers driven not just to implement, but to understand deeply, innovate, design and lead.
By Igor Roztropiński
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Bitcoin Core Code: C++, some Python and a Custom Build System
2025-08-23
As we have recently analyzed how the Bitcoin P2P Network works, let's delve into arguably its most important software component - the Bitcoin Core, the reference client and the reference implementation of all aspects of the Bitcoin system. With the main goal of having a few questions answered...
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Centralized vs Decentralized Identity tradeoffs: Twitter/X, YouTube, Mastodon, ActivityPub and NOSTR
2025-07-12
Social media and various other online platforms require some sort of identity to provide their services and to customize experience to us. What does it mean exactly and how does it work in practice? Currently most, if not all, of these platforms - Twitter/X, YouTube, Reddit, LinkedIn, Facebook, Instagram, GitHub, Amazon, Spotify and the like - are account-based.
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EventSQL: events over SQL
2025-06-14
Events, and messages more broadly, are a battle-tested way of component to component, process to process, and/or application to application communication ... What if we were able to just use a type of SQL database already managed on our infrastructure to build a scalable Events Platform on top of it?
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Bitcoin P2P Network: peer discovery, reachability and resilience
2025-04-05
Peer-to-Peer (P2P) Networks introduce a completely new set of challenges. In the traditional Client-Server Architecture, there is a server and client ... Things work completely differently in the Peer-to-Peer (P2P) Networks. These networks consist of equal peers that communicate directly with each other. Their goal is to be as decentralized as possible and not to have any single point of control or failure.
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Multi vs Single Page Apps: user experience, performance, complexity and more
2025-03-08
To establish what these differences are, we will go through two implementations of Projects App - one as HTMX MPA and the other as React SPA. This makes our comparison more concrete and objective, since the same functionalities were implemented twice, only approach - MPA vs SPA - is what makes these cases different.