# fallbackRandU256

> **fallbackRandU256**(): `bigint`

Defined in: [packages/synapse-core/src/utils/rand.ts:3](https://github.com/FilOzone/synapse-sdk/blob/61516150b9c5ae7a7abab1af5db8b22b5d0f5a46/packages/synapse-core/src/utils/rand.ts#L3)

## Returns

`bigint`