# VirtualMaster.validateSalt

Validates that a salt satisfies the TIP-1022 32-bit proof-of-work requirement.

[TIP-1022](https://docs.tempo.xyz/protocol/tips/tip-1022)

Returns `false` for invalid master addresses, including the zero address, virtual addresses, and TIP-20 token addresses.

## Imports

:::code-group
```ts [Named]
import { VirtualMaster } from 'ox/tempo'
```

```ts [Entrypoint]
import * as VirtualMaster from 'ox/tempo/VirtualMaster'
```
:::

## Examples

```ts twoslash
import { Address, Hex } from 'ox'
import { VirtualMaster } from 'ox/tempo'

const valid = VirtualMaster.validateSalt({
  address: Address.from(
    '0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266'
  ),
  salt: Hex.from(
    '0x00000000000000000000000000000000000000000000000000000000abf52baf'
  )
})

valid
// @log: true
```

## Definition

```ts
function validateSalt(
  value: validateSalt.Value,
): boolean
```

**Source:** [src/tempo/VirtualMaster.ts](https://github.com/wevm/ox/blob/main/src/tempo/VirtualMaster.ts#L733)

## Parameters

### value

* **Type:** `validateSalt.Value`

Master address and salt.

## Return Type

`true` if the first 4 bytes of the registration hash are zero.

`boolean`