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21 Lessons

21lessons.com

21 Lessons, “What I've Learned from Falling Down the Bitcoin Rabbit Hole”, is a finance site on 21lessons.com, in English, funded by its readers: 25 people pay through Patreon, as the platform publishes it.

21 Lessons is a serialized essay series on Bitcoin by an author who explains its principles through Alice in Wonderland parallels, read aloud as audio.

Visit 21 LessonsSupport on Patreon

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Latest posts

• #11 — Chapter 2: Economics2019-08-02
• #10 — Lesson 7: The Limits of Knowledge2019-08-02
• #09 — Lesson 6: The Power of Free Speech2019-08-01
• #08 — Lesson 5: An Immaculate Conception2019-07-30
• #07 — Lesson 4: The Problem of Identity2019-07-29
• #06 — Lesson 3: Replication and Locality2019-07-28
• #05 — Lesson 2: The Scarcity of Scarcity2019-07-27
• #04 — Lesson 1: Immutability and Change2019-07-26

From the site's feed, read 2026-10-13.

Pages

58 pages indexed; the pages that lead the site by its internal links:

Standing

Verified funding

• patreon https://www.patreon.com/dergigiverified 2026-09-04

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For the site's owner: a badge that says readers fund it, linked to this page. It shows the live figure, so it never goes stale; the count is the one the platform publishes.

HTML

<a href="https://readerfunded.com/site/21lessons.com"><img src="https://readerfunded.com/badge/21lessons.com.svg" alt="Reader-funded: 25 paying supporters on Patreon, verified by ReaderFunded" height="20"></a>

Markdown

[![Reader-funded: 25 paying supporters on Patreon, verified by ReaderFunded](https://readerfunded.com/badge/21lessons.com.svg)](https://readerfunded.com/site/21lessons.com)

Neighbourhood

Linked from 114 domains, links to 63; of the latter, the funded sites are shown. Funded sites first, then the sources that link to fewest other funded sites. Links as seen in the Common Crawl domain graph (cc-main-2026-aug-sep-oct), cut 2026-10-23: the pages crawled in a window of three months, not necessarily the site of today, and a page not crawled in that window leaves no link.

Similar funded sites

Sites the same sources link to, by cosine over the sets of linking domains. More.