Btrust Builders

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Btrust Builders
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Training the next generation of open-source Bitcoin and Lightning developers from Africa
In 2025, we took a major step forward in strengthening Africa’s Bitcoin developer pipeline through the Btrust Builders program. 🚀 Over the course of the year, 493 developers across Africa and beyond were supported through Builders pathways, selected from 1,800+ applications, a 180% increase from the previous year. Developers joined from 15+ countries, spanning West, East, Central, and Southern Africa, with additional participation from South America, Europe, and South Asia. We evolved from a single‑cohort program into a continuous, modular learning pipeline, supporting developers at different stages; from first exposure to Bitcoin, through hands-on technical learning, and into real open‑source contributions. In 2025, we delivered: • Foundational learning through Mastering Bitcoin • Hands‑on technical practice via Bitcoin from the Command Line • Protocol‑level development in Rust for Bitcoiners • Programming fundamentals through Language Clubs (Python & C++) • Advanced open‑source onboarding through Start Your Career in BOSS To bridge learning and contribution, we also launched our first Open Source Bootcamp. Over four weeks, 38 developers from 7 countries submitted 103 code contributions, opened 50+ pull requests, and saw 12 PRs merged, including 3 to Bitcoin Core. The impact went well beyond training. Several Builders alumni transitioned into fully funded open‑source work, supported by @Btrust and @HRF, contributing to projects like Bitcoin Core, LDK Node, BlueWallet, Bitcoin Dev Kit, and Rust‑Payjoin. Others went on to start their own Bitcoin projects, applying what they learned to build new tools and infrastructure in the ecosystem. We also launched the Builders Resource Hub, which has since been widely shared across the Bitcoin developer ecosystem as a go‑to learning library for open‑source contribution, tooling, and deep technical study. Check it out here: In recognition of this work, the @African Bitcoiners team named Btrust Builders the 2025 African Bitcoin Project of the Year at the 2025 @Africa Bitcoin Conference. All this was made possible by the dedication of faculty and chaperones, many of whom are alumni themselves; mentors who gave their time, experience, and patience; and the core Builders team, including Stephanie Titcombe, the program lead, and Kelvin Isievwore, the engineering lead, who carried the vision from design through delivery. Just as importantly, the wider Builders community, learners, alumni, contributors, and supporters, shaped the culture that made collaboration, accountability, and growth possible.🧡 We’ve shared what worked, what we learned, and how Builders has grown into a long‑term contributor pipeline helping decentralize Bitcoin development. ➡️ Read the full blog for more: image
1 day to go! 🚨 Thinking about a career in Bitcoin open-source development? The BOSS Challenge by Chaincode Labs is designed to help developers take their first steps into the Bitcoin open-source ecosystem. Alumni from previous cohorts have gone on to build funded careers in open-source development. Applications close tomorrow, and you have until January 12 to complete the preliminary challenge (Saving Satoshi). Apply to join the 2026 cohort here: image
A week after the @Africa Bitcoin Conference, we’re still feeling the excitement. 🙌🎉 This year was especially meaningful as we were recognized as the African Bitcoin Project of the Year, a huge honor we're grateful to the @African Bitcoiners team for. Some of our community members also hosted workshops, we connected with builders from across the world, and the sessions throughout the conference were incredibly insightful. The conversations opened up fresh perspectives and sparked exciting ideas. We’re grateful to @Btrust for the chance to be part of it, and we’re already looking forward to the next one. Till then, we keep building 🚀 #ABC25 #ABC2025
We're super excited to announce the graduates of our first-ever Rust for Bitcoiners and Language Clubs cohorts. 🥳🎉 These talented developers from over 15 countries dedicated themselves to acquiring the core skills needed for open-source Bitcoin projects. We've captured all the highlights, insights from the cohorts, and what's next in our full recap, which you can read here: If you're interested in joining upcoming cohorts, keep an eye out on our Discord and application page for details: image