# fallbackRandU256

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

Defined in: [packages/synapse-core/src/utils/rand.ts:3](https://github.com/FilOzone/synapse-sdk/blob/98d51d3144300a5bf7f6471621b5243e98f97aae/packages/synapse-core/src/utils/rand.ts#L3)

## Returns

`bigint`