# fallbackRandU256

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

Defined in: [packages/synapse-core/src/utils/rand.ts:3](https://github.com/FilOzone/synapse-sdk/blob/b524be7b11751b882e6a62d68a8e780ae9391082/packages/synapse-core/src/utils/rand.ts#L3)

## Returns

`bigint`