# fallbackRandU256

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

Defined in: [packages/synapse-core/src/utils/rand.ts:3](https://github.com/FilOzone/synapse-sdk/blob/7a61a0735ccf4c7d79a729491c35efe758d039cd/packages/synapse-core/src/utils/rand.ts#L3)

## Returns

`bigint`