> For the complete documentation index, see [llms.txt](https://lemonchain.gitbook.io/lemonchain_whitepaper_v1.9_eng/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://lemonchain.gitbook.io/lemonchain_whitepaper_v1.9_eng/whitepaper/6.-future-of-lemonchain-ecosystem/6.2-application-of-defi-system.md).

# 6.2	Application of DeFi system

- [6.2.1 Automated Market Maker (AMM)](https://lemonchain.gitbook.io/lemonchain_whitepaper_v1.9_eng/whitepaper/6.-future-of-lemonchain-ecosystem/6.2-application-of-defi-system/6.2.1-automated-market-maker-amm.md)
- [6.2.2 Lending protocols: Healthcare data-based loan-deposit margin model](https://lemonchain.gitbook.io/lemonchain_whitepaper_v1.9_eng/whitepaper/6.-future-of-lemonchain-ecosystem/6.2-application-of-defi-system/6.2.2-lending-protocols-healthcare-data-based-loan-deposit-margin-model.md)
- [6.2.3 Synthetic assets: Issuance of token that follows price of specific asset](https://lemonchain.gitbook.io/lemonchain_whitepaper_v1.9_eng/whitepaper/6.-future-of-lemonchain-ecosystem/6.2-application-of-defi-system/6.2.3-synthetic-assets-issuance-of-token-that-follows-price-of-specific-asset.md)
- [6.2.4 Service for trading of divided ownership of healthcare data NFT](https://lemonchain.gitbook.io/lemonchain_whitepaper_v1.9_eng/whitepaper/6.-future-of-lemonchain-ecosystem/6.2-application-of-defi-system/6.2.4-service-for-trading-of-divided-ownership-of-healthcare-data-nft.md)