# fallbackRandU256

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

Defined in: [packages/synapse-core/src/utils/rand.ts:3](https://github.com/FilOzone/synapse-sdk/blob/e6f98e0893630331d71bd26db21fbed48b888b48/packages/synapse-core/src/utils/rand.ts#L3)

## Returns

`bigint`