# fallbackRandU256

```ts
function fallbackRandU256(): bigint;
```

Defined in: [packages/synapse-core/src/utils/rand.ts:3](https://github.com/FilOzone/synapse-sdk/blob/27f77cec9cf7253fa0d55f2d5a93dd2f10037752/packages/synapse-core/src/utils/rand.ts#L3)

## Returns

`bigint`