> For the complete documentation index, see [llms.txt](https://earn.blink.sv/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://earn.blink.sv/chapter-204-the-evolution-of-money-ii.md).

# Chapter 204 - The Evolution of Money II

- [204.1 Lesson - notFromGovernment](https://earn.blink.sv/chapter-204-the-evolution-of-money-ii/204.01-lesson-not-from-government.md)
- [204.2 Lesson - primaryFunction](https://earn.blink.sv/chapter-204-the-evolution-of-money-ii/204.02-lesson-primary-functoin.md)
- [204.3 Lesson - monetaryMetals](https://earn.blink.sv/chapter-204-the-evolution-of-money-ii/204.03-lesson-monetary-metals.md)
- [204.4 Lesson - stockToFlow](https://earn.blink.sv/chapter-204-the-evolution-of-money-ii/204.05-lesson-stock-to-flow.md)
- [204.5 Lesson - hardMoney](https://earn.blink.sv/chapter-204-the-evolution-of-money-ii/204.06-lesson-hard-money.md)