# fallbackRandU256

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

Defined in: [packages/synapse-core/src/utils/rand.ts:3](https://github.com/FilOzone/synapse-sdk/blob/4fe24ea1c76c9b1fa1489b7cdbb1cc279bd2576a/packages/synapse-core/src/utils/rand.ts#L3)

## Returns

`bigint`