# VFE

**VFE** is short for "virtual fitness equipment". It can be understood as a kind of **NFT**.

### **Sport Type**

The system will support 3 sports types: `JumpRope`, `Running`, `Riding`. Currently under development is `JumpRope`.

### **VFE Rarity**

VFE currently has 4 rarities, and the attribute values of different rarities are different.

* Common.
* Elite.
* Rare.
* Epic.

### **VFE** attributes

The ability of VFE consists of four attributes: `Efficiency`, `Skill`, `Luck`, and `Durability`.

| Attribute  | Describe |
| ---------- | -------- |
| Efficiency | 4        |
| Skill      | 4        |
| Luck       | 4        |
| Durability | 4        |

**Initial attribute points**

The range of initial points varies according to the rarity.

| Quality | Min. Attribute | Max. Attribute |
| ------- | -------------- | -------------- |
| Common  | 2              | 8              |
| Elite   | 6              | 12             |
| Rare    | 10             | 18             |
| Epic    | 20             | 30             |

**Upgrade Growth Points**

Every time a level of VFE is upgraded, growth points are obtained, which can be freely configured by the user to four attributes: `Efficiency`, `Skill`, `Luck`, and `Durability`.

| Quality | Growth Point |
| ------- | ------------ |
| Common  | 4            |
| Elite   | 4            |
| Rare    | 4            |
| Epic    | 4            |


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