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

# Crate protocol_types

Module: `protocol_types`

Types and constants related to the Aztec protocol.

## Re-exports

- `pub use protocol_types::abis::kernel_circuit_public_inputs::private_kernel_circuit_public_inputs::PrivateKernelCircuitPublicInputs;`
- `pub use protocol_types::abis::kernel_circuit_public_inputs::private_to_rollup_kernel_circuit_public_inputs::PrivateToRollupKernelCircuitPublicInputs;`

## Modules

- [abis](/aztec-nr-api/v6.0.0/protocol_types/abis/index.md)
- [address](/aztec-nr-api/v6.0.0/protocol_types/address/index.md)
- [blob_data](/aztec-nr-api/v6.0.0/protocol_types/blob_data/index.md)
- [constants](/aztec-nr-api/v6.0.0/protocol_types/constants/index.md)
- [contract_class_id](/aztec-nr-api/v6.0.0/protocol_types/contract_class_id/index.md)
- [contract_instance](/aztec-nr-api/v6.0.0/protocol_types/contract_instance/index.md)
- [data](/aztec-nr-api/v6.0.0/protocol_types/data/index.md)
- [delayed_public_mutable](/aztec-nr-api/v6.0.0/protocol_types/delayed_public_mutable/index.md)
- [hash](/aztec-nr-api/v6.0.0/protocol_types/hash/index.md)
- [logging](/aztec-nr-api/v6.0.0/protocol_types/logging/index.md)
- [merkle_tree](/aztec-nr-api/v6.0.0/protocol_types/merkle_tree/index.md)
- [messaging](/aztec-nr-api/v6.0.0/protocol_types/messaging/index.md)
- [meta](/aztec-nr-api/v6.0.0/protocol_types/meta/index.md)
- [point](/aztec-nr-api/v6.0.0/protocol_types/point/index.md)
- [poseidon2](/aztec-nr-api/v6.0.0/protocol_types/poseidon2/index.md)
- [proof](/aztec-nr-api/v6.0.0/protocol_types/proof/index.md)
- [public_keys](/aztec-nr-api/v6.0.0/protocol_types/public_keys/index.md)
- [scalar](/aztec-nr-api/v6.0.0/protocol_types/scalar/index.md)
- [side_effect](/aztec-nr-api/v6.0.0/protocol_types/side_effect/index.md)
- [storage](/aztec-nr-api/v6.0.0/protocol_types/storage/index.md)
- [traits](/aztec-nr-api/v6.0.0/protocol_types/traits/index.md)
- [utils](/aztec-nr-api/v6.0.0/protocol_types/utils/index.md)
- [validate](/aztec-nr-api/v6.0.0/protocol_types/validate/index.md)