# Page Not Found

The URL `20.-revenue-model` does not exist.

You might be looking for one of these pages:
- [19. Revenue Model](https://paywithcrypto-1.gitbook.io/paywithcrypto/19.-revenue-model.md)
- [28. References](https://paywithcrypto-1.gitbook.io/paywithcrypto/28.-references.md)
- [20. Roadmap](https://paywithcrypto-1.gitbook.io/paywithcrypto/20.-roadmap.md)
- [21. XCP Token](https://paywithcrypto-1.gitbook.io/paywithcrypto/21.-xcp-token.md)
- [1. Executive Summary](https://paywithcrypto-1.gitbook.io/paywithcrypto/1.-executive-summary.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://paywithcrypto-1.gitbook.io/paywithcrypto/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://paywithcrypto-1.gitbook.io/paywithcrypto/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/paywithcrypto/19.-revenue-model.md`)
- Use `Accept: text/markdown` header for content negotiation