Btrust Builders
Btrust Builders & Chaincode Labs Partner Again for the 2026 BOSS Challenge
Applications are ongoing for the 2026 ₿OSS (Bitcoin Open-Source Software) Challenge, kicking off January 12, 2026.
Btrust Builders
Btrust's comprehensive engineering program designed to train experienced software developers exclusively in Africa to contribute to open-source Bitcoin & Lightning development.
Celebrating Our Faculty: The Heart of Btrust Builders
Behind every successful Btrust Builders cohort is a team of dedicated faculty members who go above and beyond to shape the learning journey. This year, our faculty were a monumental part of our courses, from developing the curriculum to walking side by side with participants through our various pathways. What
Btrust Builders
Q2 2025 Btrust Builders Pathways Graduation
We are excited to announce the successful completion of the 2025 Btrust Builders’ Q2 Pathways. This was an initiative designed to equip developers with the core skills needed to contribute to open-source Bitcoin projects. The quarter’s programs placed a strong emphasis on technical depth, collaboration, and real-world problem-solving. Developers
Btrust Builders
E-Cash for Commerce: How Cashu Empowers Merchants via Bitcoin
E-Cash for Commerce: How Cashu empowers merchants via Bitcoin
Btrust Builders
Celebrating Our First Open Source Bootcamp
A few months ago, our team started discussing a common challenge: While many Builders Pathways graduates had the technical skills, stepping into the world of Bitcoin open source seemed intimidating. We realized firsthand knowledge wasn’t always enough; real contribution often felt out of reach for those new to open-source
Btrust Builders
Schnorr and Steady Wins the Race: The Case for Batch Validation
Understanding BIP340 Schnorr Signature Verification
News
Q1 2025 Builders Pathways Graduation
The first cohorts of the Builders Pathways have officially completed their programs. Over the past two months, developers from across Africa participated in the Mastering Bitcoin and Learn Bitcoin from the Command Line pathways, each designed to strengthen technical skills, build a deep understanding of Bitcoin, and prepare developers for
Btrust Builders
Chain Sourcing Lightning Nodes
Exploring how Lightning Nodes source onchain data.
Btrust Builders
Introducing the Btrust Builders Pathways
Bitcoin open-source development is growing, and so is the need for skilled developers to sustain and advance the ecosystem. At Btrust Builders, our mission is to identify, train, and support African developers as they build their expertise in Bitcoin and contribute meaningfully to open-source projects. With this in mind, we’
Btrust Builders
A Look at LDK’s Dual-Funded Channels Implementation
We take a closer look at the progress and architecture of the dual-funded channel implementation in the Lightning Development Kit (LDK).
Btrust Builders
Analyzing Mining Pool Behavior to Address Bitcoin Core’s Double Coinbase Reservation Issue
Written by Sadiq Ismail In theory, Bitcoin Core’s block-building algorithm reserves 4,000 WU for miners’ coinbase transactions. This means it should generate a block template with a weight of 3,996,000 WU. However, in practice, this is not the case due to an accidental double-reservation bug (see
News
Final Call: Applications for Btrust Builders’ 2025 ₿OSS Cohort Close Next Week
Btrust Builders, in collaboration with Chaincode Labs, is issuing a final call for applications to the 2025 Builders January Cohort. This part-time, three-month, fully remote program is designed to identify and push passionate software developers in Africa to contribute to Bitcoin open-source software (₿OSS). Applications are now open, and developers