# zeroRoot

> **zeroRoot**(`level`): `Node`

Defined in: [packages/synapse-core/src/piece/internal/zero-comm.ts:42](https://github.com/FilOzone/synapse-sdk/blob/64c5042d4a5c01045e0d46e7d07508a03dc0149a/packages/synapse-core/src/piece/internal/zero-comm.ts#L42)

Zero-piece merkle root at the given tree level.

## Parameters

| Parameter | Type |
| ------ | ------ |
| `level` | `number` |

## Returns

`Node`

## Throws

RangeError for levels outside `[0, 63]`.