# 📙AF2.0 Parameters

## Revenue Distribution

The **19% Lending Performance Fee** will be distributed as followed:

**10%**to the ALPACA token holders**6%**to Governance Vault stakers**4%**to Buyback and Burn

**9%**to Dev Fund

## Protocol Parameters

Parameter | Value | Description |
---|---|---|

Close Factor | 50% | The maximum amount of outstanding debt that can be repaid in a single transaction by a repurchase / liquidator. |

Repurchasing Bonus to Repurchaser | 5% | Repurchaser will receive a 5% bonus on the collateral asset value when executing a repurchasing transaction. You can see an example calculation here. |

Protocol Repurchasing Fee | 5% | Fee % taken by the protocol from a repurchasing transaction. 100% will go towards buyback and burn. You can see an example calculation here. |

## Asset-Specific Parameters

We set each asset's factors based on their individual risk profiles, each asset will be categorized within one of three potential tiers that vary in their restrictions, in order to better mitigate risk. For detailed information, please visit here.

### Collateral Tier

Asset | Collateral Factor | Borrow Factor | Max. Collateral Cap* | Max. Borrow Cap* |
---|---|---|---|---|

BNB | 80% | 85% | 250,000 | 200,000 |

BTCB | 88% | 91% | 5,000 | 4,500 |

ETH | 88% | 91% | 50,000 | 45,000 |

USDT | 90% | 94% | 75,000,000 | 50,000,000 |

BUSD | 90% | 94% | 75,000,000 | 50,000,000 |

USDC | 90% | 94% | 75,000,000 | 50,000,000 |

CAKE | 50% | 75% | 1,000,000 | 750,000 |

XRP | 50% | 75% | 2,500,000 | 2,000,000 |

LTC | 50% | 75% | 120,000 | 100,000 |

DOGE | 30% | 50% | 15,000,000 | 10,000,000 |

ADA | 50% | 75% | 7,500,000 | 5,000,000 |

WBETH | 85% | 90% | 50,000 | 45,000 |

*Max. Collateral Cap and Max. Borrow Cap are denominated in each asset.

### Cross Tier

Asset | Collateral Factor | Borrow Factor | Max. Collateral Cap* | Max. Borrow Cap* |
---|---|---|---|---|

HIGH | 0% | 50% | 0 | 1,000,000 |

### Isolated Tier

Asset | Collateral Factor | Borrow Factor | Max. Collateral Cap* | Max. Borrow Cap* |
---|---|---|---|---|

THE | 0% | 60% | 0 | 1,500,000 |

## AF2.0 Interest Rate Model

We employ a double-slope interest rate model to determine the borrowing interest rate. See details below:

**Borrowing Interest = m * Utilization + b**

**Lending Interest = Borrowing Interest * Utilization * (1 - Lending Performance Fee)**

### BNB's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 15% | 0.176 | 0 |

85% - 100% | 15% | 200% | 12.333 | -10.333 |

### BTCB's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 10% | 0.118 | 0 |

85% - 100% | 10% | 80% | 4.667 | -3.867 |

### ETH's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 10% | 0.118 | 0 |

85% - 100% | 10% | 80% | 4.667 | -3.867 |

### USDT's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 5% | 0.059 | 0 |

85% - 100% | 5% | 60% | 3.667 | -3.067 |

### USDC's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 5% | 0.059 | 0 |

85% - 100% | 5% | 60% | 3.667 | -3.067 |

### BUSD's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 5% | 0.059 | 0 |

85% - 100% | 5% | 60% | 3.667 | -3.067 |

### CAKE's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 15% | 0.176 | 0 |

85% - 100% | 15% | 200% | 12.333 | -10.333 |

### XRP's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 10% | 0.118 | 0 |

85% - 100% | 10% | 80% | 4.667 | -3.867 |

### LTC's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 15% | 0.176 | 0 |

85% - 100% | 15% | 200% | 12.333 | -10.333 |

### DOGE's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 15% | 0.176 | 0 |

85% - 100% | 15% | 200% | 12.333 | -10.333 |

### ADA's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 15% | 0.176 | 0 |

85% - 100% | 15% | 200% | 12.333 | -10.333 |

### WBETH's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 10% | 0.118 | 0 |

85% - 100% | 10% | 80% | 4.667 | -3.867 |

### HIGH's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 15% | 0.176 | 0 |

85% - 100% | 15% | 200% | 12.333 | -10.333 |

### THE's Borrowing Interest Rate

Utilization Range | Interest rate at min. range | Interest rate at max. range | m | b |
---|---|---|---|---|

0% - 85% | 0% | 15% | 0.176 | 0 |

85% - 100% | 15% | 200% | 12.333 | -10.333 |

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