# fallbackRandU256

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

Defined in: [packages/synapse-core/src/utils/rand.ts:3](https://github.com/FilOzone/synapse-sdk/blob/b0bf0dc07b2311e5f7b83f8c375caab729cf187c/packages/synapse-core/src/utils/rand.ts#L3)

## Returns

`bigint`