# Lending

- [Introduction to Lending](/extra_finance/lending/introduction-to-lending.md)
- [How to use](/extra_finance/lending/how-to-use.md)
- [Interest Rate Model](/extra_finance/lending/interest-rate-model.md): borrowing rate of lending pools
- [Pseudo-Fixed-Interest-Rate Model](/extra_finance/lending/pseudo-fixed-interest-rate-model.md): an optimized interest rate model for Stable Pools & Liquidity Staking Token(LST)-pegged Pools