# fallbackRandU256

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

Defined in: [packages/synapse-core/src/utils/rand.ts:3](https://github.com/FilOzone/synapse-sdk/blob/78c167418083a17417ccf3994e37407987d6251b/packages/synapse-core/src/utils/rand.ts#L3)

## Returns

`bigint`