# Key Concepts

- [The function of money](https://whitepaper.abundance.id/protocol/key-concepts/the-function-of-money.md)
- [The problem of public goods](https://whitepaper.abundance.id/protocol/key-concepts/the-problem-of-public-goods.md)
- [Regenerative economics](https://whitepaper.abundance.id/protocol/key-concepts/regenerative-economics.md)