> Aztec.nr API reference, v6.0.0 (mainnet and testnet). Index: https://docs.aztec.network/aztec-nr-api/v6.0.0/llms.txt

# Module utils

Module: `noir_aztec::nullifier::utils`

## Functions

- [compute_nullifier_existence_request](/aztec-nr-api/v6.0.0/noir_aztec/nullifier/utils/fn.compute_nullifier_existence_request.md): Returns the [`NullifierExistenceRequest`](/aztec-nr-api/v6.0.0/noir_aztec/context/struct.NullifierExistenceRequest.md) used to prove a nullifier exists.