# fallbackRandU256

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

Defined in: [packages/synapse-core/src/utils/rand.ts:3](https://github.com/FilOzone/synapse-sdk/blob/7a6fba6452cc8f5306340118eca0e0566fdde537/packages/synapse-core/src/utils/rand.ts#L3)

## Returns

`bigint`