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Bitcoin Developer School

A Bitcoin OSS contributor pipeline.

Learn practical Bitcoin skills, become a capable builder, or bring hands-on Bitcoin education to your community.

Join Discord, it’s freeNew here? Start here
New study cohort · freeDecoding Bitcoin starts Mon 16 Nov10 weeks of interactive lessons, Mondays 7–8:30pm (UTC+8) on Discord
student@codeorange: ~

$ cat developer-pipeline.txt

Our developer pipeline:

  1. Workshops and meetups
  2. Study cohorts
  3. Privacy Track
  4. Code Review Club
  5. Fellowships
  6. Full-time Bitcoin OSS development

$ status: builders moving from first meetup to public contribution

  • 28builders in the community
  • 11with merged PRs in Bitcoin open source
  • 6steps from first meetup to full-time
  • 100%free, online and in Bali
See every merged PR →

How it works

The pathway: first meetup to full-time Bitcoin OSS.

Six steps. Start wherever you are — every step is free, and every step points at real public work.

  1. Builders on the floor at a Code Orange meetup1

    Workshops & meetups

    Find a workshop →
  2. Laptop open during a study cohort2

    Study cohorts

    Join Decoding Bitcoin →
  3. A Privacy Track session in front of the projector3

    Privacy Track

    Join the track →
  4. Reviewing code with hardware on the table4

    Code Review Club

    Join the next club →
  5. A fellowship session around the long table5

    Fellowships

    Apply for a fellowship →
  6. A Code Orange laptop and node at a workshop6

    Full-time Bitcoin OSS

    Meet the builders →
Join Discord — the next stepOr pick a workshop firstFree forever · online + in person · beginners welcome

Recurring events

Always something happening.

Code Review Club session with hardware wallet and laptopBuild & review

Code Review Club

Discuss real upstream Bitcoin work, test ideas, and practise useful review notes.

Open Discord event →Hardware wallets and Code Orange stickersHands-on workshop

Self-custody

Bring practical questions and learn the tools and habits of Bitcoin self-custody.

Open Discord event →Steel seed backup plates for Bitcoin self-custodyStudy together

Bitcoin Reading Club

Work through essential Bitcoin writing alongside people who care about the details.

Open Discord event →

Never miss a session.

Add to Google Calendar ↗

Get a weekly email of our events.

● Live schedule · updates automaticallyTimes in UTC+8

Open calendar page →

Programs

Pick a practical next step.

₿ Discord event

Bitcoin Basics

A practical entry point for curious Bitcoiners who want to understand the system.

 ⚙️ Discord event

Bitcoin Protocol Fundamentals

Get closer to transactions, Script, network rules, and the code that runs Bitcoin.

 🛡️ Discord event

Sovereign Bitcoiner workshop

Hands-on self-custody, nodes, multisig, inheritance, Ecash, and Fedimint.

 ✦ Discord event

Agentic engineering & vibe coding

Build useful tools with AI, Nostr, and open protocols in a working session.

For committed contributors

Ready for a deeper contribution?

Code Orange fellowships provide focused time, mentor support, and a real open-source project for builders who have shown they are ready.

Explore fellowships →

View all programs →

Proof in public

See the work behind the school.

The point is not just to attend a session. It is to leave with the confidence, community, and path to contribute in public.

Open source

Follow the code

Explore the Code Orange GitHub organization and the public work our community gathers around.

Visit GitHub →Mentored path

Go deeper

Fellowships give committed builders focused time, mentor feedback, and a real open-source project.

Explore fellowships →Community impact

Build locally, contribute globally

See how workshops, cohorts, and local builders connect to the wider Bitcoin ecosystem.

See the impact →

Workshop floor

Inside the workshops.

Image

Developer community

We build the community. They build Bitcoin.

People in the Code Orange community. Projects are listed only where the person has a merged PR on our public PR dashboard; the work belongs to them.

Meet the 28 builders11 with merged PRs in Bitcoin open source
ArowoloMerged PRs in: Mostro, rust-payjoin.
DayvvoMerged PRs in: Alby bitcoin-connect, Alby js-sdk.
DiegodevMerged PRs in: Master Bitcoin From Command Line.
GradaleMerged PRs in: rust-bitcoin, hex-conservative, corepc.
MuhammadMerged PRs in: Bitcoin Core, rust-bitcoin, Floresta, bdk_wallet, Cove wallet, SeedSigner.
MwihotiMerged PRs in: rust-payjoin.
PeterMerged PRs in: Bitcoin Core, rust-bitcoin, kernel-node, rust-bitcoinkernel, BDK.
PsychemistMerged PRs in: LDK, Mastering Taproot, bitcointranscripts, Saving Satoshi.
RazorMerged PRs in: peer-observer, corepc, bitcointranscripts.
VaanMerged PRs in: rust-payjoin, payjoin.org, bdk-cli, rust-bitcoin, bdk_wallet, esplora-cli.
DashingtimmyCommunity member.
IlieCommunity member.
MakuuciCommunity member.
Mr MiyagiCommunity member.
WolfCommunity member.

Community directory →

FAQ

Common questions.

How do I get started?

One step: join the Discord → — that's the front door. Say hi, then come to a free workshop or enroll in a study cohort. No application, no cost.

How much does it cost?

All Code Orange programs are free of charge for everyone joining.

Do I need prior coding experience?

rawBit and the Bitcoin Privacy Track expect comfort with a programming language. Bitcoin Basics, Sovereign Bitcoiner, Agentic Engineering, and Vibe Coding welcome curious beginners.

Can I join remotely?

Yes. Most sessions run online through Discord, with hands-on hardware sessions layered in where they help.

Can I run a workshop?

Yes. The curriculum is open source and adaptable for local communities. Email us your workshop idea → and we’ll help get it started.

Join Discord — the next stepSee this week's sessions