# Protocol Concepts

- [Exploring the Spectrum of Stablecoins](https://epsiloan.gitbook.io/docs/protocol-concepts/exploring-the-spectrum-of-stablecoins.md)
- [Introducing EpsiLoan's yUSD](https://epsiloan.gitbook.io/docs/protocol-concepts/introducing-epsiloans-yusd.md)
- [Collateral types](https://epsiloan.gitbook.io/docs/protocol-concepts/collateral-types.md)
- [Vaults](https://epsiloan.gitbook.io/docs/protocol-concepts/vaults.md)
- [Flexible Loan Duration with No Set Payback Period](https://epsiloan.gitbook.io/docs/protocol-concepts/vaults/flexible-loan-duration-with-no-set-payback-period.md)
- [Vault Collateral Ratio: Ensuring Stability and Flexibility](https://epsiloan.gitbook.io/docs/protocol-concepts/vaults/vault-collateral-ratio-ensuring-stability-and-flexibility.md)
- [Fees](https://epsiloan.gitbook.io/docs/protocol-concepts/fees.md)
- [Minimum Collateral Ratio (MCR) and Recommended Collateral Ratio](https://epsiloan.gitbook.io/docs/protocol-concepts/minimum-collateral-ratio-mcr-and-recommended-collateral-ratio.md)
- [Stability Pool and Liquidations](https://epsiloan.gitbook.io/docs/protocol-concepts/stability-pool-and-liquidations.md)
- [Deposit yUSD to the Stability Pool: Benefits and Incentives](https://epsiloan.gitbook.io/docs/protocol-concepts/stability-pool-and-liquidations/deposit-yusd-to-the-stability-pool-benefits-and-incentives.md)
- [Liquidations in the EpsiLoan Ecosystem: Ensuring System Stability](https://epsiloan.gitbook.io/docs/protocol-concepts/stability-pool-and-liquidations/liquidations-in-the-epsiloan-ecosystem-ensuring-system-stability.md)
- [Vault Liquidators](https://epsiloan.gitbook.io/docs/protocol-concepts/stability-pool-and-liquidations/vault-liquidators.md)
- [Benefits for Stability Providers](https://epsiloan.gitbook.io/docs/protocol-concepts/stability-pool-and-liquidations/benefits-for-stability-providers.md)
- [What happens if liquidations occur while the stability pool is unfunded?](https://epsiloan.gitbook.io/docs/protocol-concepts/stability-pool-and-liquidations/what-happens-if-liquidations-occur-while-the-stability-pool-is-unfunded.md)
- [What is Overall Liquidation?](https://epsiloan.gitbook.io/docs/protocol-concepts/stability-pool-and-liquidations/what-is-overall-liquidation.md)
- [yUSD Price Stability and Rigid Redemptions](https://epsiloan.gitbook.io/docs/protocol-concepts/yusd-price-stability-and-rigid-redemptions.md)
- [Rigid Redemptions in yUSD: Ensuring Stability with Fees](https://epsiloan.gitbook.io/docs/protocol-concepts/yusd-price-stability-and-rigid-redemptions/rigid-redemptions-in-yusd-ensuring-stability-with-fees.md)
- [Is a redemption the same as paying back the debt?](https://epsiloan.gitbook.io/docs/protocol-concepts/yusd-price-stability-and-rigid-redemptions/is-a-redemption-the-same-as-paying-back-the-debt.md)
- [Redemption Provider](https://epsiloan.gitbook.io/docs/protocol-concepts/yusd-price-stability-and-rigid-redemptions/redemption-provider.md)
- [Can I avoid being redeemed against?](https://epsiloan.gitbook.io/docs/protocol-concepts/yusd-price-stability-and-rigid-redemptions/can-i-avoid-being-redeemed-against.md)
- [Keepers and Liquidators](https://epsiloan.gitbook.io/docs/protocol-concepts/keepers-and-liquidators.md)
- [How Do I Benefit as a Liquidator?](https://epsiloan.gitbook.io/docs/protocol-concepts/keepers-and-liquidators/how-do-i-benefit-as-a-liquidator.md)
- [How to Become a Liquidator?](https://epsiloan.gitbook.io/docs/protocol-concepts/keepers-and-liquidators/how-to-become-a-liquidator.md)


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