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# GetPublicKey

# Function: getPublicKey()

> **getPublicKey**(`privateKey`, `isCompressed`): `Uint8Array`

Defined in: [crypto.ts:56](https://github.com/tkhq/sdk/blob/ee72856c3f450731d7501ab05001215768b71500/packages/crypto/src/crypto.ts#L56)

Get PublicKey function
Derives public key from Uint8Array or hexstring private key

## Parameters

### privateKey

The Uint8Array or hexstring representation of a compressed private key.

`string` | `Uint8Array`

### isCompressed

`boolean` = `true`

Specifies whether to return a compressed or uncompressed public key. Defaults to true.

## Returns

`Uint8Array`

* The public key in Uin8Array representation.