Posts
Blog
Technical articles, analysis and resources from the Bitcoin ecosystem written by the team and community.
Rotating a Compromised LND Macaroon in BTCPay Server
BTCPay Server's August 7 advisory isn't solved by updating alone. We show you how to rotate your LND macaroon and kill any stolen credential, without moving funds or touching your channels.
Own Keys, Own Identity. How We Brought Nostr Privacy to Moodle
At Librería de Satoshi, you can now log in to Moodle with your Nostr identity: no password, no email. Our CTO Iván Fuentes built auth_nostr, an open-source plugin already available for any educational institution.
2025 Wrap-up
At Librería de Satoshi we believe that learning Bitcoin is not just understanding a technology, but opening a path toward freedom and autonomy.
A technical challenge with real opportunities: the ₿OSS Challenge via B4OS
Learn Bitcoin by coding and get into open source with the ₿OSS Challenge via B4OS. Community, mentorship and real opportunities for developers.
Kick off 2026 with Real Intelligence!
Kick off 2026 with Real Intelligence! At Librería de Satoshi we believe that in the age of Artificial Intelligence, learning, critical thinking and real intelligence matter most.
ONG Bitcoin Argentina and Librería de Satoshi present the new edition of B4OS 2025
B4OS 2025 is a free technical training program for software developers. Applications are open until October 15, 2025 at b4os.dev.
Decentralized Revolution: A Passionate Look at ONG Bitcoin Argentina
At Librería de Satoshi, our mission is to make high-quality Bitcoin technical education accessible to everyone. That is why we team up with local giants like ONG Bitcoin Argentina to amplify our reach and grow together.
We're starting: B4OS 2025 - Training for developers
Latin America's most important free Bitcoin training program. Free. Online and part-time for developers who want to specialize in Bitcoin and Lightning Network. Compatible with a full-time job.
Nostr, the Digital Resistance in the Age of Censorship
Nostr is small, pioneering, with an intense community and a clear vision: to build something that resists censorship, cannot be erased and works without asking permission.
New Courses on the Horizon!
Today we are announcing 6 new courses that will let you master different aspects of Bitcoin, from security and self-custody to advanced programming in Bitcoin Script. If you ever wanted to understand in depth how Bitcoin works technically, or learn to manage your satoshis sovereignly, join us!
Bitcoin's 4th Halving: A milestone that reaffirms the principles of scarcity and decentralization
Ready to celebrate the 4th Bitcoin Halving? In this article we tell you all about this major event.
Bitcoin 4 Open Source: A free, high-level training program for developers
The B4OS technical training starts this coming May. Applications are open until the end of April.
Bitcoin ETFs: What are they and how do they impact the bitcoiner ecosystem?
After 10 years of seeking approval for a spot bitcoin ETF, Wall Street is finally entering this market.
Bitcoin is ready for mass use
Lightning Network gives Bitcoin the ability to scale to mass use without affecting the performance of the main network.
Librería de Satoshi trains more than 260 people in Bitcoin in 2023
Spanish-speaking participants in 15 countries benefited from courses on bitcoin technology at every level.
Bitcoin and privacy
There are several measures and tools that can be used to improve the privacy of Bitcoin transactions. Coinjoin and PayJoin are the most advanced protocols.
Discover the new study program: “Learning Bitcoin from the Command Line”
Learning Bitcoin from the Command Line is a course designed for developers who want to master the intricacies of Bitcoin technology.