# fallbackRandU256

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

Defined in: [packages/synapse-core/src/utils/rand.ts:3](https://github.com/FilOzone/synapse-sdk/blob/455d3d6682c9fa709c86addf9981c7b974f41ea5/packages/synapse-core/src/utils/rand.ts#L3)

## Returns

`bigint`