# Page Not Found

The URL `files/WYPuOks3Kn36PapJopkb` does not exist. This page may have been moved, renamed, or deleted.

## Suggested Pages

You may be looking for one of the following:
- [301.6 Lesson - cypherpunks](https://earn.blink.sv/chapter-301-bitcoin-why-was-it-created/301.06-lesson-cypher-punks.md)
- [401.4 Lesson - instantPayments](https://earn.blink.sv/chapter-401-lightning-network/401.04-lesson-instant-payments.md)
- [205.2 Lesson - originsOfPaperMoney](https://earn.blink.sv/chapter-205-the-evolution-of-money-iii/205.02-lesson-origins-of-paper-money.md)
- [302.3 Lesson - privateKey](https://earn.blink.sv/chapter-302-bitcoin-how-does-it-work/302.03-lesson-private-key.md)
- [302.4 Lesson - publicKey](https://earn.blink.sv/chapter-302-bitcoin-how-does-it-work/302.04-lesson-public-key.md)

## How to find the correct page

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### Option 1 — Ask a question (recommended)

Perform an HTTP GET request on the documentation index with the `ask` parameter:

```
GET https://earn.blink.sv/chapter-301-bitcoin-why-was-it-created/301.06-lesson-cypher-punks.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

### Option 2 — Browse the documentation index

Full index: https://earn.blink.sv/sitemap.md

Use this to discover valid page paths or navigate the documentation structure.

### Option 3 — Retrieve the full documentation corpus

Full export: https://earn.blink.sv/llms-full.txt

Use this to access all content at once and perform your own parsing or retrieval. It will be more expensive.

## Tips for requesting documentation

Prefer `.md` URLs for structured content, append `.md` to URLs (e.g., `/chapter-301-bitcoin-why-was-it-created/301.06-lesson-cypher-punks.md`).

You may also use `Accept: text/markdown` header for content negotiation.