# newSalt

> **newSalt**(): `` `0x${string}` ``

Defined in: [derive.ts:81](https://github.com/FilOzone/synapse-sdk/blob/c853ca3d1b2e90933e6b15131bfa14059bc48fc7/packages/keysmith/src/derive.ts#L81)

A fresh per-piece salt. Public: it only has to travel with the piece.

## Returns

`` `0x${string}` ``