docs: add seminar 24 discussion questions and reference material (#83)

Author: isaacknjama

_posts/2026-01-31-socratic-seminar-24.md

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+---
+layout: post
+type: socratic
+title: "Socratic Seminar #24"
+---
+
+## Location
+
+The event will be hosted at **Jenga Leo**:
+
+`T Floor (Kilimanjaro room)` WESTPARK TOWERS | Mpesi Ln, Nairobi | [Map](https://maps.app.goo.gl/jA86RuyuBKcE4eA47)
+
+## Announcements
+
+Join us on our Bitcoin [Socratic Seminar](/about) `#24`.
+
+This is a special **Bitcoin 101** session — an introduction to the Bitcoin stack for newcomers and a refresher for everyone else. A special thank you to our sponsor [Btrust](http://btrust.tech/) for food and refreshments.
+
+## Reminders
+
+- We prefer no photos and no videos during the event
+- [Chatham House Rule](https://www.chathamhouse.org/about-us/chatham-house-rule)
+- Leave the meeting space as clean as you found it
+
+## Topics
+
+### Bitcoin Fundamentals
+
+---
+
+- [But how does bitcoin actually work? (3Blue1Brown)](https://www.youtube.com/watch?v=bBC-nXj3Ng4)
+  - Visual explanation of cryptographic primitives, hashing, and proof-of-work
+- [Bitcoin Whitepaper](https://bitcoin.org/bitcoin.pdf)
+  - The 9-page paper that started it all — worth revisiting
+- [Learn Me a Bitcoin](https://learnmeabitcoin.com/)
+  - Interactive guide covering transactions, blocks, and the UTXO model
+- [Mastering Bitcoin (Open Edition)](https://github.com/bitcoinbook/bitcoinbook)
+  - Chapters 1-4 for foundational concepts
+
+**Discussion:**
+
+- What problem does Bitcoin solve that couldn't be solved before 2009?
+- Why does Bitcoin need proof-of-work? What are the tradeoffs?
+- How do you explain Bitcoin to someone with zero technical background?
+
+### Lightning Network
+
+---
+
+- [Lightning Network Explained (Whiteboard Series)](https://www.youtube.com/watch?v=rrr_zPmEiME)
+  - Visual walkthrough of payment channels and HTLCs
+- [Understanding the Lightning Network (Bitcoin Magazine)](https://bitcoinmagazine.com/technical/understanding-the-lightning-network-part-building-a-bidirectional-payment-channel-1464710791)
+  - Part 1 of a multi-part series on payment channels
+- [Lightning Network Specification (BOLTs)](https://github.com/lightning/bolts)
+  - The technical specs — skim the README for an overview
+- [Amboss Space](https://amboss.space/)
+  - Explore the Lightning network graph and node statistics
+- [Stacker News](https://stacker.news/)
+  - Lightning-native forum — experience micropayments firsthand
+
+**Discussion:**
+
+- What limitations of on-chain Bitcoin does Lightning address?
+- What are the tradeoffs of using Lightning vs on-chain transactions?
+- Why do Lightning channels require both parties to be online? What happens if one party disappears?
+
+### Ecash: Fedimint & Cashu
+
+---
+
+- [What is Ecash? (Calle's Explainer)](https://cashu.space/)
+  - Introduction to Chaumian ecash and blind signatures
+- [Fedimint Documentation](https://fedimint.org/docs/intro)
+  - Overview of federated custody and community mints
+- [Cashu Protocol](https://docs.cashu.space/)
+  - Spec for the simpler, single-custodian ecash implementation
+- [Why Ecash Matters (Video)](https://www.youtube.com/watch?v=VwMzNE1D3so)
+  - Privacy benefits and use cases for ecash
+- [Fedi App](https://www.fedi.xyz/)
+  - Real-world Fedimint implementation for communities
+
+**Discussion:**
+
+- What privacy guarantees does ecash provide that Lightning doesn't?
+- What are the trust assumptions when using a Fedimint vs a Cashu mint?
+- How might ecash help with Bitcoin adoption in communities with limited connectivity?
+- What's the difference between custodial Lightning (e.g., Wallet of Satoshi) and ecash custody?
+
+### Putting It All Together
+
+---
+
+- [Bitcoin Layers Explained](https://river.com/learn/what-are-bitcoin-layers/)
+  - How base layer, Lightning, and ecash complement each other
+- [The Bitcoin Stack (Diagram)](https://stacker.news/items/165256)
+  - Visual representation of Bitcoin's layered architecture
+
+**Discussion:**
+
+- When would you use on-chain Bitcoin vs Lightning vs ecash?
+- How do these layers work together to make Bitcoin usable for different purposes?
+- What excites you most about where Bitcoin development is headed?
+
+### What's next?
+
+---
+
+- [Btrust Builders Pathways](https://pathways.btrust.tech/)
+- [bitcoin++ open source edition](https://btcplusplus.dev/conf/nairobi)
+
+### Submit suggestions for next meeting
+
+Issues on Github: https://github.com/BitDevsNBO/bitdevsnbo.org/issues