# fallbackRandU256

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

Defined in: [packages/synapse-core/src/utils/rand.ts:3](https://github.com/FilOzone/synapse-sdk/blob/8d8b407968f141ea7931036f0f8d36745d1ce74b/packages/synapse-core/src/utils/rand.ts#L3)

## Returns

`bigint`