Timechain Wiki

Educational websites and online resources

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Bitcoin educational platforms and online resources — websites, curricula, dashboards, reference sites, and online learning platforms. Distinct from the Canonical sources cluster, which catalogs evergreen finished works (books, papers, podcasts). Educational websites and online resources are living platforms — curricula, reference sites, dashboards, tools, news, communities — that supplement them.

How to use this sub-MOC

The section uses categorized subsections rather than a single flat list. Each subsection holds platforms that serve a distinct educational, reference, or operational purpose. The categories are:

  1. Introductions and single-topic explainers — accessible first-encounter resources (videos, single-topic sites) for viewers new to Bitcoin
  2. Curriculum and structured learning — platforms offering organized courses or learning programs
  3. Reference and protocol explainers — sites providing reference material on protocol mechanics
  4. Data, charts, and dashboards — visualization and on-chain analytical infrastructure
  5. News and analysis — Bitcoin-aligned journalistic and analytical venues
  6. Community hubs — forums, social platforms, and community infrastructure
  7. Tools and calculators — practical tools for Bitcoin operations

Categories are added inline as entries accumulate.

Learning-level categorization. Resources are also annotated with a learning-level designation — Introductory, Foundational, or Advanced — to support readers choosing resources by depth rather than only by type. A single resource may span multiple levels (a multi-track curriculum platform typically does); the annotation captures the primary level or level-range each resource is calibrated for. See the “By learning level” section near the end of this sub-MOC for a level-organized view.

  • Introductory — accessible to viewers with no prior Bitcoin or financial-market background; first-encounter resources; short-form or single-topic register.
  • Foundational — assumes basic familiarity; develops the systematic case for Bitcoin through structured curriculum, longer-form essays, or multi-week programs.
  • Advanced — specialist depth in technical, protocol-development, mining-economics, or specialist financial-market dimensions; assumes substantial prior grounding.

Introductions and single-topic explainers

Single-resource accessible artifacts — videos, single-topic explainer sites, short-form treatments, standalone presentation talks — that engage specific topics in a focused, time-bounded format. Distinct from multi-week curriculum platforms (which span multiple tracks across multiple weeks) and from comprehensive reference platforms (which cover broad ground at depth). Includes both first-encounter introductory resources and foundational-level standalone explanatory artifacts.

Each entry is annotated with its medium — (video) or (website) — so readers can choose by format as well as by topic.

  • Sats vs Fiat (website) — Level: Introductory. Free, multilingual, charitable single-resource website created by Joe Bryan (@SatmoJoe). Extends the centerpiece video with starter videos, recommended books, and open-source educational resources. “Fix the money, fix the world” framing.
  • What’s The Problem - Joe Bryan (video) — Level: Introductory. The centerpiece presentation-style video that develops the case for Bitcoin from first principles in a single time-bounded viewing. Created by Joe Bryan as the principal artifact of the broader Sats vs Fiat project; suitable for direct sharing with a Bitcoin-curious person.
  • How Money and Banking Work - Lyn Alden (video) — Level: Foundational. Lyn Alden’s substantive standalone presentation video explaining the operational mechanics of the contemporary fiat-monetary and commercial-banking system, the structural reasons those mechanics produce monetary debasement, and the case for monetary alternatives. Functions as a complete-in-one-viewing companion to Broken Money - Lyn Alden.
  • BTC Sessions (video) — Level: Introductory → Foundational. Ben Perrin’s Bitcoin-only tutorial channel (since 2016): step-by-step, hands-on how-tos for wallets, nodes, hardware devices, and on-chain and Lightning transactions. The practical “now actually do it” companion to the case-making videos above — the self-custody how-to layer none of the others cover.

Future candidates for this category:

  • The Bullish Case for Bitcoin - Vijay Boyapati’s essay-and-book companion content (Boyapati has produced introductory-register content adjacent to the book)
  • Anita Posch’s Bitcoin-for-Fairness explainer content
  • Other accessible single-topic Bitcoin explainer projects

Andreas Antonopoulos’s introductory talks (aantonop) are homed on the Andreas Antonopoulos thinker page and the Mastering Bitcoin - Andreas Antonopoulos source page — referenced there rather than given a standalone §16 entry (no-resource-competition).

Curriculum and structured learning

Platforms offering organized courses, learning programs, or structured curricula for Bitcoin education.

  • PlanB Academy — Level: Introductory → Advanced (spans all three across six tracks). Lugano-based learning platform directed by Giacomo Zucco; six tracks (Bitcoin, Security, Social Studies, Business, Protocol, Mining); free-tier-first with selected Premium offerings; institutionally backed through the Lugano Plan ₿ initiative.

  • Looking Glass Education — Level: Introductory → Foundational (Foundation Course is Introductory; Deep Dives essays are Foundational). Free-first, multilingual (nine languages), Bitcoin-only educational platform built by a six-person founding team (Seb Bunney CEO, Daz Bea COO, Greg Foss Connection Builder, Max De Marco AV, Jason Sansone and James Lavish Content Writers). Bitcoin Foundation Course + Deep Dives essays + books imprint + CODL self-custody product; financial-literacy and financial-protection editorial center of gravity.

  • Mi Primer Bitcoin — Level: Introductory → Foundational (Bitcoin Diploma starts from no prior knowledge and develops foundational depth). Grassroots Bitcoin-education organization founded by John Dennehy in El Salvador in August 2021. Bitcoin Diploma 10-week open-source curriculum; Independent Education Initiative (Node Network) reaching 50 nodes across 27 countries as of November 2024; first Bitcoin Diploma taught in a public school anywhere (April 2022, El Salvador); April 2025 strategic pivot to global-grassroots focus while open-source curriculum remains worldwide.

  • Saylor Academy - Bitcoin for Everybody — Level: Introductory. Free, self-paced ~12-hour beginner course (course code PRDV151) hosted by Saylor Academy, the open-education foundation endowed by Michael Saylor. Carries a free certificate (1.2 CEUs); covers Bitcoin economics, investment, philosophy, history, and practical use. The certificate-bearing beginner on-ramp.

  • Bitcoin and Cryptocurrency Technologies - Princeton — Level: Foundational → Advanced. The canonical academic computer-science introduction — a free online textbook plus video-lecture course by Arvind Narayanan and colleagues (Princeton), used in 120+ university courses. The rigorous technical foundations (cryptography, consensus, mining, transaction mechanics); Bitcoin-centered, with one ecosystem-survey chapter noted as a scope caveat.

For scope, strengths, audience-fit, and level coverage across the educational resources, see Bitcoin educational platforms - Comparison.

Future candidates for this category (as evaluations accumulate):

  • Various university-hosted Bitcoin courses (NYU, Stanford engagements have varied over time)
  • The Bitcoin & Crypto Curriculum from various centers

(MIT OpenCourseWare’s Blockchain and Money course — Gensler; blockchain-generalist — evaluated and dropped 2026-07-17: off the Bitcoin-only stance.)

These are placeholders; specific entries will be added as platforms are evaluated and added substantively.

Essays, archives, and philosophy

Primary-source archives and long-form essay collections that develop the intellectual and philosophical case for Bitcoin — distinct from structured courses and reference sites.

  • Nakamoto Institute — Level: Foundational → Advanced. The canonical online archive of Bitcoin’s intellectual foundations (nakamotoinstitute.org): The Complete Satoshi (Satoshi’s writings and code), a Library of cypherpunk-and-freedom precursors, The Mempool essays, the annotated Crash Course, The Skeptics, and a Hal Finney tribute. Explicitly Bitcoin-maximalist in curation.
  • 21 Lessons — Level: Introductory → Foundational. Gigi’s reflective essay collection What I’ve Learned from Falling Down the Bitcoin Rabbit Hole (21lessons.com; free online, plus translated, audio, and print editions) — twenty-one philosophical essays treating Bitcoin as a lens on money, time, energy, and meaning. The reflective-humanist end of the spectrum.
  • Gradually, Then Suddenly (Parker Lewis) — Level: Introductory → Foundational. The objection-by-objection essay series; homed on the Parker Lewis thinker page and now also hosted at the Nakamoto Institute. Pointed to here rather than given a competing standalone entry (no-resource-competition).

Reference and protocol explainers

Sites providing reference material on Bitcoin protocol mechanics, technical specifications, and developer documentation.

  • bitcoin.org (website) — Level: Introductory → Foundational. The original community-maintained reference and getting-started site — what-is-Bitcoin, how-it-works, a vendor-neutral wallet directory, full-node guidance, vocabulary, and a hosted copy of the whitepaper. Domain registered before the whitepaper (18 Aug 2008) by Satoshi Nakamoto and Martti Malmi; ownership later dispersed to keep any one party from controlling it. The neutral, non-commercial front door most other resources assume as background.
  • developer.bitcoin.org (website) — Level: Foundational → Advanced. The community-maintained Bitcoin developer documentation — Developer Guides (conceptual walkthroughs) plus a Reference layer (RPC surface, transaction/script formats, opcodes). The documentation hand-off from the conceptual Technical foundations material to real implementation; the reference half of the builder track (Base58 and Chaincode Labs are the teaching half).
  • Bitcoin Wiki (website) — Level: Foundational → Advanced. The original community-maintained encyclopedia (en.bitcoin.it) — a public MediaWiki open since December 2010, covering technical specifications, protocol mechanics, vocabulary, and how-to material, non-commercial and multilingual under a Creative Commons licence. The ecosystem’s oldest broad look-up reference and a frequent upstream citation source, carrying its own explicit caveat that public-editable material may be stale or wrong — a reference to check against, not to trust blindly.
  • Offchain Media (website) — Level: Introductory → Foundational. Online publication of single-topic explainer articles on Bitcoin’s off-chain protocol stack — Lightning, Liquid, Ark, Spark, ecash, Taproot Assets, L402, Nostr — with recent revision dates and a trust-model-forward editorial posture (custody gray zones stated plainly rather than buried). The per-protocol hand-off resource for readers between the monetary case and developer documentation; article-by-article inventory and level annotations on the source page.
  • BIP reference (bips.dev; the bitcoin/bips repository) — Level: Advanced. The canonical index and full text of the Bitcoin Improvement Proposals. Homed on the Bitcoin Improvement Proposals note (which treats the process and the load-bearing BIPs); pointed to here rather than given a competing standalone entry.
  • Jameson Lopp’s Bitcoin Resources (bitcoinresources.com, formerly lopp.net) — Level: Introductory → Advanced. A comprehensive curated index of Bitcoin reference material, tools, wallets, and getting-started/security/node guides. Homed on the Jameson Lopp thinker page (§ “Bitcoin Resources at bitcoinresources.com”); pointed to here rather than given a competing standalone entry.

Future candidates for this category:

  • lightning.network/spec (Lightning Network BOLT specifications)
  • Individual software documentation (Bitcoin Core, LND) — referenced from technical notes rather than catalogued here per the “What this area doesn’t cover” boundary

Technical and developer education

Structured education for learners moving toward the technical and protocol-development side of Bitcoin — distinct from the reference sites above, which document rather than teach.

  • Base58 — Level: Foundational → Advanced. A Bitcoin protocol school (base58.school) offering online and in-person courses that go byte-by-byte through transactions, scripts, and the protocol primitives; founded by Lightning developer niftynei (Lisa Neigut). Flagship hands-on “Bitcoin at Work(shop)” format; accessible without prior development experience, yet genuinely deep.
  • Chaincode Labs — Level: Advanced. A New York research-and-development organization (chaincode.com) that funds Bitcoin open-source work and runs the mentored ₿OSS Challenge (learning.chaincode.com) — a cohort-based pipeline from capable programmer to working Bitcoin Open Source Software contributor.
  • Bitcoin Optech — Level: Advanced. The technical newsletter and topics reference (bitcoinops.org) that summarizes Bitcoin protocol and engineering developments for a broad technical audience. Homed on its own source page (built with the Development and governance area); pointed to here as the curated-summary layer that sits above the live Delving Bitcoin discussion threads, rather than given a competing standalone entry.

Data, charts, and dashboards

Sites providing data visualization, market data, and broader Bitcoin data infrastructure — interactive tools that teach by letting a reader explore the live network directly.

  • mempool.space (website) — Level: Introductory → Advanced. The Mempool Open Source Project — a self-hostable Bitcoin blockchain and mempool explorer focused on the transaction fee market and multi-layer ecosystem. Visualizes the live mempool as projected blocks, estimates fees, and covers mining and Lightning data; designed to run against one’s own node “without any trusted third parties.”
  • Clark Moody Dashboard (website) — Level: Introductory → Foundational. A free single-screen view of Bitcoin’s key vitals — price, sats-per-dollar, market cap, all-time-high statistics, Bitcoin priced in gold, and network fundamentals (hashrate, difficulty, fees, Lightning). A fast at-a-glance orientation panel.

The interpretive on-chain-analytics platforms (Checkonchain, On-Chain Mind) are catalogued under “Specialist research and analytics” in the By-learning-level section and developed in the On-chain analytics and market psychology section.

Future candidates:

  • glassnode.com (premium on-chain analytics; James Check’s former employer)
  • bitcoinvisuals.com (on-chain and network visualization)
  • coinkit and various open-source data tools

News and analysis

Bitcoin-aligned journalistic and analytical venues.

  • Bitcoin Magazine (website) — Level: Introductory → Foundational. The oldest and most established Bitcoin-dedicated publication — the first devoted exclusively to Bitcoin (first issue May 2012; founded by Mihai Alisie and Vitalik Buterin, who left to create Ethereum; Bitcoin-focused since BTC Media’s late-2014 acquisition). News, longer-form analysis, a print magazine, and the flagship annual Bitcoin Conference (Nashville). The Bitcoin-native news anchor, distinct from the broader-crypto outlets this section deliberately excludes; read as an advocacy-adjacent venue, not a neutral wire.

The principal individual analysts are homed on their own thinker pages and surfaced here as pointers rather than competing standalone entries (no-resource-competition):

Broader-crypto outlets (CoinDesk, The Block) are deliberately not catalogued — they cover the token market generally rather than Bitcoin specifically, off this KB’s Bitcoin-only stance. Referenced case-by-case from notes where a specific article is load-bearing, not listed as educational resources.

Podcasts

Bitcoin-only audio interview and discussion venues. Most Bitcoin podcasts are hosted by figures with their own thinker or source pages; those are pointed to here rather than given competing standalone entries. Standalone podcast pages are kept to a curated few (see the video/podcast-limit note in Editor’s Notes).

  • Stephan Livera Podcast (home: economics) — Level: Foundational → Advanced. The Austrian-and-cypherpunk-aligned Bitcoin interview show (SLP) — the closest audio match to this KB’s economic lens. Cross-listed here from its economics home; substantive long-form interviews with the contemporary Austrian-Bitcoin canon, Bitcoin Core and Lightning developers, and self-custody/privacy figures.
  • Bitcoin Fundamentals (The Investor’s Podcast) (home: Preston Pysh · source The Investor’s Podcast - Bitcoin Fundamentals) — Level: Foundational. The principal institutional and value-investor Bitcoin interview venue. Homed on Pysh’s pages.
  • The “What is Money?” Show (home: Robert Breedlove) — Level: Foundational → Advanced. Long-form first-principles philosophy of money. Homed on Breedlove’s thinker page.
  • The Bitcoin Layer (home: Nik Bhatia) — Level: Foundational → Advanced. Macro-and-liquidity analysis (newsletter, YouTube, podcast), frequently with Lyn Alden. Homed on Bhatia’s thinker page.

Community hubs

Forums, social platforms, and community infrastructure where Bitcoin discourse occurs.

  • BitcoinTalk (website) — Level: Foundational → Advanced. The original Bitcoin forum — founded by Satoshi Nakamoto on 22 November 2009, still active under longtime admin “theymos.” Two things at once: a still-living community hub and a primary-source archive of the founding period (Satoshi’s forum posts, the first exchange-rate threads, the pizza transaction). Its irreplaceable value is archival — the bedrock the History and origins section is built on — more than a systematic learning path.
  • Stacker News (website) — Level: Foundational. A Bitcoin-and-Lightning-native forum (like Hacker News, but users earn and spend real sats through zaps rather than un-redeemable karma; posting carries small anti-spam fees; communities are founder-monetized “territories”). Launched 2021 by “k00b.” The clearest working demonstration of a Lightning value-for-value discourse economy — and it teaches Lightning experientially by making a newcomer use it to participate. The payment-native counterpart to BitcoinTalk’s legacy.
  • Delving Bitcoin (website) — Level: Advanced. The modern technical-discussion forum for Bitcoin protocol development (delvingbitcoin.org) — a public, non-commercial Discourse board launched 2023 for long-form, presentation-grade R&D threads (covenants, mempool policy, mining, consensus proposals). Grew alongside the bitcoin-dev mailing list’s 2023–24 wind-down; the technical-frontier counterpart to BitcoinTalk’s archive and Stacker News’s payment-native discourse, and the live layer beneath Bitcoin Optech’s summaries.

Nostr-based Bitcoin communities are homed in the dedicated Nostr sibling KB (freedom-tech cross-KB boundary, ruled 2026-07-16), not catalogued here. The X/Twitter Bitcoin community and r/Bitcoin are live discourse venues but not curated as educational resources; local-meetup infrastructure (Bitcoin Park, regional groups) may be added selectively if a specific instance warrants standalone treatment.

Tools and calculators

Practical tools for Bitcoin operations, position management, mining economics, etc.

Future candidates:

  • Lightning routing tools (rebalance calculators, channel managers)
  • Tax calculation tools (Bitcoin-aware tax software)
  • Mining profitability calculators
  • Wallet utilities (descriptor parsers, PSBT signers, etc.)
  • DCA calculators and portfolio tools

No entries yet. Category will be populated as specific tools are evaluated substantively.

Key connections to other areas

To Economics and monetary theory:

  • PlanB Academy’s Social Studies and Bitcoin tracks engage substantial economic content drawing on the Austrian-Bitcoin tradition
  • Looking Glass Education’s Bitcoin Foundation Course and Deep Dives engage monetary history, debt and inflation, and the fiat-system mechanics from a financial-literacy and credit-market vantage point
  • Mi Primer Bitcoin’s Bitcoin Diploma engages monetary fundamentals, fiat-system mechanics, and Bitcoin’s monetary properties for non-specialist learners

To Culture philosophy and the morality of money:

To Practical self-custody and sovereignty:

  • PlanB Academy’s Security track engages self-custody content
  • Looking Glass Education’s CODL product is a guided self-custody offering (operational engagement lives in the dedicated cluster rather than on the platform’s source page)
  • Mi Primer Bitcoin’s Bitcoin Diploma engages practical wallet use and self-custody fundamentals as part of the 10-week curriculum
  • Future tools-and-calculators entries will support practical operations
  • Reference platforms (developer.bitcoin.org, bips.dev) will support technical understanding

To Investing and markets:

  • Looking Glass Education is anchored in the credit-market-analyst voice through Greg Foss’s and James Lavish’s co-founder direction
  • The platform’s Deep Dives essays frequently engage credit-market and fiscal-dominance content adjacent to the Investing-and-markets section
  • Jack Dorsey’s grant funding to grassroots Bitcoin-education organizations (including Mi Primer Bitcoin) bridges institutional-Bitcoin-aligned tech-CEO engagement to grassroots education infrastructure

To Regulation policy and geopolitics:

  • Mi Primer Bitcoin’s El-Salvador origin context ties the platform to the broader Bitcoin and sovereign adoption framework
  • The Bitcoin Diploma’s April 2022 public-school launch represents a specific instance of mainstream educational integration of Bitcoin curriculum within a sovereign-Bitcoin-adoption context

Cross-platform overview

  • Bitcoin educational platforms - Comparison — orientation document mapping scope, strengths, and audience-fit across the curriculum-and-structured-learning platforms (PlanB Academy, Looking Glass Education, Mi Primer Bitcoin)

To On-chain analytics and market psychology:

  • Future data-and-dashboards entries will be central to the on-chain section
  • Various Glassnode, Checkonchain, and adjacent platforms

To History and origins:

  • The Bitcointalk forum (Satoshi-era discussions) is a primary-source archive
  • Various Bitcoin-history-aligned platforms

To Technical foundations:

  • Reference-and-protocol-explainers category will be central
  • developer.bitcoin.org and adjacent platforms

By learning level

A level-organized view of the substantive resources catalogued in this sub-MOC. Resources that span multiple levels appear at each level they cover, with a brief note indicating which dimension of the resource fits the level.

Introductory

  • What’s The Problem - Joe Bryan (video) — single time-bounded introductory video; Joe Bryan’s centerpiece artifact for the Sats vs Fiat project
  • Sats vs Fiat (website) — companion website extending the video with starter materials, recommended books, and open-source educational resources
  • Mi Primer Bitcoin — Bitcoin Diploma starts from no prior knowledge; introductory through the early weeks of the 10-week curriculum
  • Looking Glass Education — Bitcoin Foundation Course is calibrated for introductory entry
  • PlanB Academy — Bitcoin track is the introductory entry point within the broader curriculum
  • Offchain Media (website) — the ecash, Liquid, Ark, and Lightning explainers open at introductory register
  • Saylor Academy - Bitcoin for Everybody — free ~12-hour beginner course with a completion certificate
  • BTC Sessions (video) — step-by-step wallet, node, and transaction how-to tutorials
  • 21 Lessons — reflective essays, individually accessible to a curious newcomer
  • mempool.space (website) — watch a transaction confirm on the live chain
  • Clark Moody Dashboard (website) — single-screen Bitcoin vitals at a glance
  • bitcoin.org (website) — the neutral, non-commercial getting-started and wallet-selection front door
  • Bitcoin Magazine (website) — daily Bitcoin-native news, accessible to a newcomer tracking the space

Foundational

  • How Money and Banking Work - Lyn Alden (video) — Lyn Alden’s substantive standalone explanatory video; companion to Broken Money - Lyn Alden
  • Mi Primer Bitcoin — Bitcoin Diploma develops foundational depth through the 10-week curriculum
  • Looking Glass Education — Deep Dives essays engage foundational-depth topics; the books imprint (The Hidden Cost of Money; B is for Bitcoin) extends to foundational treatment
  • PlanB Academy — Security, Business, and Social Studies tracks develop foundational depth across operational, business, and intellectual dimensions
  • Offchain Media (website) — the Spark, L402, Nostr, and Taproot Assets explainers assume light prior grounding and develop trust-model detail
  • Nakamoto Institute — the canonical essay-and-primary-source archive (foundational into advanced)
  • 21 Lessons — the collection’s depth accrues across the twenty-one essays
  • Base58 — protocol-school courses; accessible entry that reaches genuine depth
  • Bitcoin and Cryptocurrency Technologies - Princeton — the academic computer-science foundations
  • Stephan Livera Podcast (home: economics) — the Austrian-Bitcoin interview archive
  • BTC Sessions (video) — node operation and advanced self-custody walkthroughs
  • Clark Moody Dashboard (website) — the network and derivatives tiles reward some grounding
  • bitcoin.org (website) — vocabulary, full-node guidance, and reference material for a returning reader
  • developer.bitcoin.org (website) — the Developer Guides, readable by a technically literate non-developer
  • Bitcoin Wiki (website) — the glossary and concept pages as a non-commercial look-up reference
  • Bitcoin Magazine (website) — research and long-form market, technical, and policy analysis
  • BitcoinTalk (website) — the founding-period primary-source archive (Satoshi’s threads)
  • Stacker News (website) — a Lightning value-for-value forum; learn Lightning by participating

Advanced

  • PlanB Academy — Protocol and Mining tracks engage specialist depth in protocol development and mining economics
  • Chaincode Labs — the ₿OSS Challenge: mentored onboarding into Bitcoin open-source contribution
  • Base58 — byte-level protocol and transaction internals
  • Bitcoin and Cryptocurrency Technologies - Princeton — cryptography and consensus at academic depth
  • Nakamoto Institute — the primary-source archives and the argued Crash Course
  • mempool.space (website) — the mining and Lightning dashboards read quantitatively
  • Stephan Livera Podcast (home: economics) — episodes frequently reach specialist economic and protocol depth
  • developer.bitcoin.org (website) — the RPC/format Reference: working documentation for application builders
  • Bitcoin Wiki (website) — the technical-specification and protocol pages as a deep look-up reference
  • Delving Bitcoin (website) — live protocol-development discussion at the technical frontier (covenants, mempool policy, consensus proposals)
  • BitcoinTalk (website) — deep development and mining threads; historical protocol debates in their original venue

Specialist research and analytics (distinct from learning-level categorization; specialist research and analytics resources serve specialist analytical functions rather than learning-level progression)

For a more developed cross-resource scope/strengths/audience-fit and level-mapping treatment, see Bitcoin educational platforms - Comparison.

What this area doesn’t cover

  • Evergreen canonical works — books, papers, podcasts — are catalogued in the main MOC’s Canonical sources section
  • Specific technical-implementation documentation — official documentation for specific Bitcoin software (Bitcoin Core, LND, etc.) — these are referenced as needed from technical notes rather than catalogued as educational resources
  • Pure commercial platforms — exchanges, custody services, financial-product venues — these belong in the Investing and markets section
  • Pure development infrastructure — repositories, build tools, testing frameworks — these are technical-development resources rather than educational platforms

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