# fallbackRandU256

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

Defined in: [packages/synapse-core/src/utils/rand.ts:3](https://github.com/FilOzone/synapse-sdk/blob/eca0ad8bcc387f0bf73fea769ccbe8a7a83ba0b8/packages/synapse-core/src/utils/rand.ts#L3)

## Returns

`bigint`