> For the complete documentation index, see [llms.txt](https://shytypes.gitbook.io/articles/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://shytypes.gitbook.io/articles/readme.md).

# Open Source Notes

My notes, write-ups, and tutorials from learning Bitcoin, Lightning, and Bitcoin open-source development. Articles are organized by topic below.

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## bitcoin

* [Bitcoin: A Dummy's Technical Guide to the Bitcoin Ecosystem, Part 1 (Introduction)](/articles/bitcoin/bitcoin-a-dummys-technical-guide-to-the-bitcoin-ecosystem-part-1-introduction.md)
* [Bitcoin: A Dummy's Technical Guide to the Bitcoin Ecosystem, Part 2 (Addresses)](/articles/bitcoin/bitcoin-a-dummys-technical-guide-to-the-bitcoin-ecosystem-part-2-addresses.md)
* [HD Wallets: A Breakdown of HD Wallets Illustrated via a Mini Rust App](/articles/bitcoin/hd-wallets-a-breakdown-of-hd-wallets-illustrated-via-a-mini-rust-app.md)
* [Wallet Descriptors](/articles/bitcoin/wallet-descriptors.md)

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## lightning

* [Simulate Your First Lightning Transaction on the Bitcoin Regtest Network, Part 1 (macOS)](/articles/lightning/simulate-your-first-lightning-transaction-on-the-bitcoin-regtest-network-part-1-macos.md)
* [Simulate Your First Lightning Transaction on the Bitcoin Regtest Network, Part 2 (macOS)](/articles/lightning/simulate-your-first-lightning-transaction-on-the-bitcoin-regtest-network-part-2-macos.md)
* [Simulate Your First Lightning Transaction on the Bitcoin Regtest Network, Part 3 (macOS)](/articles/lightning/simulate-your-first-lightning-transaction-on-the-bitcoin-regtest-network-part-3-macos.md)

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## payjoin

* [Payjoin Part 1 — BIP 78: When the Receiver Chips In](/articles/payjoin/payjoin-part-1-bip-78-synchronous-payjoin-v1.md)
* [Payjoin Part 2 — BIP 77: Payjoin Without a Server](/articles/payjoin/payjoin-part-2-bip-77-async-payjoin-v2.md)
* [Receive an Async Payjoin Using Rust Payjoin](/articles/payjoin/receive-an-async-payjoin-using-rust-payjoin/companion-article.md)

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## polar

*Coming soon.*