> ## Documentation Index
> Fetch the complete documentation index at: https://docs.qu.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# decodeBase58

```ts theme={null}
function decodeBase58(value): bigint
```

Decode the Base58-encoded `value`.

## Parameters

| Parameter | Type     | Description               |
| :-------- | :------- | :------------------------ |
| `value`   | `string` | The Base58-encoded value. |

## Returns

`bigint`

The decoded value.

## Source

[encoding/base58.ts:70](https://github.com/dominant-strategies/quais.js/blob/c1c12d43f9d34c6baad2b0542bd6d0acd6fefcbf/src/encoding/base58.ts#L70)