₿OSS 2025 Playground

This is my "playground" for the ₿OSS 2025 program. I'm using this repo to record my progress and learnings as I work through, and as a forcing function to stay the course and see it through.

Background

• Intro

"Coursework" component

• Bitcoin Core "Test the Test"
• RPC Scavenger Hunt
• Signet Wallet Challenge
• Block Builder
• Lightning RPC Scavenger Hunt
• CTF Challenge
• Lightning Builders

Build the things

• POC
• 👋 Payjoin Dev Kit (rust-payjoin)
• 👋 Warnet
• 👋 SimLN
• 👋 Rust Bitcoin
• 👋 0xB10C Monitoring
• 👋 Bitcoin Dev Kit (BDK)
• 👋 Bitcoin Core Fuzzing

Final stages

• Reflections

External links & other stuff

• Participant content
• Useful resources
• TODO