> For the complete documentation index, see [llms.txt](https://docs.sandbox.game/the-sandbox/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sandbox.game/the-sandbox/cn/assets/gems-and-catalysts/scarcity.md).

# 稀缺性

## **稀缺性是什么?**

稀缺性是一种 ASSET 的总供数量。换句话说，游戏设计者、玩家或收藏者可以在The Sandbox 市场上购买多少个 ASSET 副本。

## **ASSET 的稀缺性是如何定义的?**

稀缺性是由您添加 CATALYST 到 ASSET 来定义的。

有四个不同的 CATALYST 级别层，它们都用来定义一个 ASSET 的最大可能副本总数。

| <p>CATALYST</p><p>级别层</p> | <p>GEM</p><p>接口数量</p> | **属性点**  | <p>ASSET</p><p><strong>副本</strong>数量</p> |
| ------------------------- | --------------------- | -------- | ---------------------------------------- |
| 常见级                       | 1                     | 最多可达 25  | 最多可达 20,000                              |
| 稀有级                       | 2                     | 最多可达 50  | 最多可达 4,000                               |
| 史诗级                       | 3                     | 最多可达 75  | 最多可达 1,500                               |
| 传奇级                       | 4                     | 最多可达 100 | 最多可达 200                                 |

换句话说，CATALYST 的层次越高，一个 ASSET 就越稀缺。

![](/files/-MNO_vl6mWkU1s8Z5qK0)

## **稀缺性如何影响 ASSET 的价值?**

高质量的 ASSET (例如，其设计精良，拥有精美的小细节和精制的动画)可能会受到游戏设计者、玩家和收藏者的青睐。通过使用 GEM 而获得的 ASSET 属性也是其价值的一个重要因素。

稀缺的高质量 ASSET (副本较少)也可能比普通 ASSET 具有更高的价值。例如，真正喜欢青蛙的人可能想要收集高质量的与青蛙相关的 ASSET，如果它更稀缺的话，他们可能愿意为它支付溢价。


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