Technical articles, analysis and resources from the Bitcoin ecosystem written by the team and community.https://ismos.xyz/en/blog/enhttps://ismos.xyz/en/blog/rotar-un-macaroon-de-lnd-comprometido-en-btcpay-serverhttps://ismos.xyz/en/blog/rotar-un-macaroon-de-lnd-comprometido-en-btcpay-serverBTCPay 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.Mon, 10 Aug 2026 00:00:00 GMTLibrería de Satoshihttps://ismos.xyz/en/blog/claves-propias-identidad-propia-asi-llevamos-la-privacidad-nostr-a-moodlehttps://ismos.xyz/en/blog/claves-propias-identidad-propia-asi-llevamos-la-privacidad-nostr-a-moodleAt 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.Fri, 24 Jul 2026 00:00:00 GMTDulce Villarrealhttps://ismos.xyz/en/blog/cierre-2025https://ismos.xyz/en/blog/cierre-2025At Librería de Satoshi we believe that learning Bitcoin is not just understanding a technology, but opening a path toward freedom and autonomy.Tue, 30 Dec 2025 00:00:00 GMTKarina Condehttps://ismos.xyz/en/blog/un-reto-tecnico-con-oportunidades-reales-oss-challenge-via-b4oshttps://ismos.xyz/en/blog/un-reto-tecnico-con-oportunidades-reales-oss-challenge-via-b4osLearn Bitcoin by coding and get into open source with the ₿OSS Challenge via B4OS. Community, mentorship and real opportunities for developers.Sat, 20 Dec 2025 00:00:00 GMTDianahttps://ismos.xyz/en/blog/arranca-el-2026-con-inteligencia-real-2https://ismos.xyz/en/blog/arranca-el-2026-con-inteligencia-real-2Kick 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.Tue, 16 Dec 2025 00:00:00 GMTKarina Condehttps://ismos.xyz/en/blog/ong-bitcoin-argentina-y-libreria-de-satoshi-presentan-la-nueva-edicion-de-bitcoin-4-open-source-2025-programa-gratuito-para-desarrolladores-de-bitcoinhttps://ismos.xyz/en/blog/ong-bitcoin-argentina-y-libreria-de-satoshi-presentan-la-nueva-edicion-de-bitcoin-4-open-source-2025-programa-gratuito-para-desarrolladores-de-bitcoinB4OS 2025 is a free technical training program for software developers. Applications are open until October 15, 2025 at b4os.dev.Wed, 01 Oct 2025 00:00:00 GMTLibrería de Satoshi and ONG Bitcoin Argentinahttps://ismos.xyz/en/blog/impulsando-la-revolucion-descentralizada-una-mirada-apasionada-a-la-ong-bitcoin-argentinahttps://ismos.xyz/en/blog/impulsando-la-revolucion-descentralizada-una-mirada-apasionada-a-la-ong-bitcoin-argentinaAt 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.Fri, 26 Sep 2025 00:00:00 GMTFederico Zupicichhttps://ismos.xyz/en/blog/b4os-2025-lanzamientohttps://ismos.xyz/en/blog/b4os-2025-lanzamientoLatin 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.Tue, 12 Aug 2025 00:00:00 GMTDulce Villarrealhttps://ismos.xyz/en/blog/nostr-la-resistencia-digital-en-la-era-de-la-censurahttps://ismos.xyz/en/blog/nostr-la-resistencia-digital-en-la-era-de-la-censuraNostr 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.Wed, 28 May 2025 00:00:00 GMTStudents of the "Nostr: What, How, Why?" coursehttps://ismos.xyz/en/blog/nuevos-cursos-marzo-2025https://ismos.xyz/en/blog/nuevos-cursos-marzo-2025Today 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!Wed, 05 Mar 2025 00:00:00 GMTB4OS Teamhttps://ismos.xyz/en/blog/4to-halving-bitcoin-hito-reafirma-principios-escasez-descentralizacionhttps://ismos.xyz/en/blog/4to-halving-bitcoin-hito-reafirma-principios-escasez-descentralizacionReady to celebrate the 4th Bitcoin Halving? In this article we tell you all about this major event.Wed, 17 Apr 2024 00:00:00 GMTGenny Díazhttps://ismos.xyz/en/blog/libreriade-satoshi-lanza-bitcoin-4-open-source-capacitacion-gratuita-alto-nivel-para-desarrolladoreshttps://ismos.xyz/en/blog/libreriade-satoshi-lanza-bitcoin-4-open-source-capacitacion-gratuita-alto-nivel-para-desarrolladoresThe B4OS technical training starts this coming May. Applications are open until the end of April.Fri, 05 Apr 2024 00:00:00 GMTLibrería de Satoshihttps://ismos.xyz/en/blog/etf-de-bitcoin-que-son-y-como-impactan-el-ecosistema-bitcoinerhttps://ismos.xyz/en/blog/etf-de-bitcoin-que-son-y-como-impactan-el-ecosistema-bitcoinerAfter 10 years of seeking approval for a spot bitcoin ETF, Wall Street is finally entering this market.Thu, 25 Jan 2024 00:00:00 GMTGenny Díazhttps://ismos.xyz/en/blog/bitcoin-listo-uso-masivohttps://ismos.xyz/en/blog/bitcoin-listo-uso-masivoLightning Network gives Bitcoin the ability to scale to mass use without affecting the performance of the main network.Mon, 15 Jan 2024 00:00:00 GMTJonny Ji and Genny Díazhttps://ismos.xyz/en/blog/libreria-satoshi-capacitacion-tecnica-bitcoin-260-personas-2023https://ismos.xyz/en/blog/libreria-satoshi-capacitacion-tecnica-bitcoin-260-personas-2023Spanish-speaking participants in 15 countries benefited from courses on bitcoin technology at every level.Thu, 11 Jan 2024 00:00:00 GMTGenny Díazhttps://ismos.xyz/en/blog/bitcoin-privacidadhttps://ismos.xyz/en/blog/bitcoin-privacidadThere are several measures and tools that can be used to improve the privacy of Bitcoin transactions. Coinjoin and PayJoin are the most advanced protocols.Fri, 22 Dec 2023 00:00:00 GMTFoxtrotZuluhttps://ismos.xyz/en/blog/nuevo-programa-libreria-satoshi-aprendiendo-bitcoin-linea-comandoshttps://ismos.xyz/en/blog/nuevo-programa-libreria-satoshi-aprendiendo-bitcoin-linea-comandosLearning Bitcoin from the Command Line is a course designed for developers who want to master the intricacies of Bitcoin technology.Sat, 21 Oct 2023 00:00:00 GMTGenny Díaz