> For the complete documentation index, see [llms.txt](https://docs.cropxyz.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cropxyz.com/farm/bean/kidney-bean.md).

# Kidney Beans

One of the most common varieties of bean, it’s simple but good - just like life in the farmlands.

## <img src="https://1890231410-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNTsFbS1bLxelzjYUT1FY%2Fuploads%2FWRkqDALLm9yqsldx38Bk%2Fbean-kidney_beans.png?alt=media&amp;token=825262c1-d6b9-404f-922f-77453d2fa837" alt="" data-size="line">Smart Contract Details

**Token Name:** zKIDNEYBEAN

**Contract Address:** `0xAccC43e2A365FC94088Bf7Bc4d1F151f354e4a4e`

**Polygon Link** (Migrating)**:**

{% embed url="<https://polygonscan.com/token/0xAccC43e2A365FC94088Bf7Bc4d1F151f354e4a4e>" %}

## Growth Details

|  Time to Fully Grown  | Fully Grown to Death |
| :-------------------: | :------------------: |
| 1 hour and 25 minutes |        2 days        |

## Economic Model

### Initial Pricing Model

Given that the price of this crop seed is controlled by a system controlled liquidity pool, here are the initial settings for the pool.

| Internal zGOLD Price | zGOLD Pool Depth | Seed Balance |
| :------------------: | :--------------: | :----------: |
|         29.61        |   1,265,561.01   |    42,741    |

### Pricing Function

The curve shown below is the internal function used to calculate the marketplace supply and resulting price this specific seed follows.

{% hint style="info" %}
In alpha, the pricing equation is as follows:

$$x \* y = 54,091,343,128.41$$
{% endhint %}

![Kidney bean pricing curve:   x \* y = 54,091,343,128.41](https://1890231410-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNTsFbS1bLxelzjYUT1FY%2Fuploads%2FQDvKCUO71qijB6SrTbVt%2Fgraph-2-kidney_bean.png?alt=media\&token=4216b088-55d8-4af2-9bdf-185be88ab112)

#### For more information on pricing see the Pricing Model Section:

{% content-ref url="/pages/rJVaqG6JxSO1siQQOP12" %}
[Pricing Modeling](/economy/pricing-modeling.md)
{% endcontent-ref %}