| unBlockNo | Shelley.Spec.Ledger.Slot |
| unBootstrapAddress | Shelley.Spec.Ledger.Address |
| unCBORGroup | Shelley.Spec.Ledger.Serialization |
| unChainCode | Shelley.Spec.Ledger.Address.Bootstrap |
| unCoin | Shelley.Spec.Ledger.Coin, Shelley.Spec.Ledger.API |
| unDuration | Shelley.Spec.Ledger.Slot |
| unEpochNo | Shelley.Spec.Ledger.Slot |
| unEpochSize | Shelley.Spec.Ledger.Slot |
| UnexpectedDepositPot | Shelley.Spec.Ledger.STS.Newpp |
| unGenDelegs | Shelley.Spec.Ledger.Keys, Shelley.Spec.Ledger.API |
| unGenesisCredential | Shelley.Spec.Ledger.Credential |
| unGKeys | Shelley.Spec.Ledger.Keys |
| unHashBody | Shelley.Spec.Ledger.BlockChain, Shelley.Spec.Ledger.API |
| unHashHeader | Shelley.Spec.Ledger.BlockChain, Shelley.Spec.Ledger.API |
| unHistogram | Shelley.Spec.Ledger.Rewards |
| UnitInterval | Shelley.Spec.Ledger.BaseTypes |
| unitIntervalFromRational | Shelley.Spec.Ledger.BaseTypes |
| unitIntervalToRational | Shelley.Spec.Ledger.BaseTypes |
| unKESPeriod | Shelley.Spec.Ledger.OCert, Shelley.Spec.Ledger.API |
| UnknownGenesisKeyOVERLAY | Shelley.Spec.Ledger.STS.Overlay |
| unLikelihood | Shelley.Spec.Ledger.Rewards |
| unLogWeight | Shelley.Spec.Ledger.Rewards |
| unpackByronVKey | Shelley.Spec.Ledger.Address.Bootstrap |
| unPerformanceEstimate | Shelley.Spec.Ledger.Rewards |
| unPoolDistr | Shelley.Spec.Ledger.Delegation.Certificates, Shelley.Spec.Ledger.API |
| unsafeAuxiliaryDataHash | Cardano.Ledger.AuxiliaryData |
| UnsafeCompactAddr | Shelley.Spec.Ledger.CompactAddr |
| UnsafeHashBBody | Shelley.Spec.Ledger.BlockChain, Shelley.Spec.Ledger.API |
| unSlotNo | Shelley.Spec.Ledger.Slot |
| unStakeCreds | Shelley.Spec.Ledger.TxBody, Shelley.Spec.Ledger.Delegation.Certificates, Shelley.Spec.Ledger.API |
| unStakeShare | Shelley.Spec.Ledger.Rewards |
| unUTxO | Shelley.Spec.Ledger.UTxO, Shelley.Spec.Ledger.API |
| unVKey | Shelley.Spec.Ledger.Keys, Shelley.Spec.Ledger.API |
| unWdrl | Shelley.Spec.Ledger.TxBody, Shelley.Spec.Ledger.API |
| unWitHashes | Shelley.Spec.Ledger.LedgerState, Shelley.Spec.Ledger.API |
| unwrapCborSeq | Shelley.Spec.Ledger.Serialization |
| Update | |
| 1 (Type/Class) | Shelley.Spec.Ledger.PParams, Shelley.Spec.Ledger.API |
| 2 (Data Constructor) | Shelley.Spec.Ledger.PParams, Shelley.Spec.Ledger.API |
| updateChainDepState | Shelley.Spec.Ledger.API.Protocol, Shelley.Spec.Ledger.API |
| UpdateFailure | Shelley.Spec.Ledger.STS.Utxo |
| updateKES | Shelley.Spec.Ledger.Keys |
| updateNES | Shelley.Spec.Ledger.LedgerState |
| updatePParams | Shelley.Spec.Ledger.PParams |
| updatePpup | Shelley.Spec.Ledger.LedgerState |
| UPDN | Shelley.Spec.Ledger.STS.Updn |
| UpdnEnv | |
| 1 (Type/Class) | Shelley.Spec.Ledger.STS.Updn |
| 2 (Data Constructor) | Shelley.Spec.Ledger.STS.Updn |
| UpdnFailure | Shelley.Spec.Ledger.STS.Prtcl, Shelley.Spec.Ledger.API |
| UpdnPredicateFailure | Shelley.Spec.Ledger.STS.Updn |
| UpdnState | |
| 1 (Type/Class) | Shelley.Spec.Ledger.STS.Updn |
| 2 (Data Constructor) | Shelley.Spec.Ledger.STS.Updn |
| Url | Shelley.Spec.Ledger.BaseTypes, Shelley.Spec.Ledger.TxBody |
| urlToText | Shelley.Spec.Ledger.BaseTypes |
| utcTimeFromCBOR | Shelley.Spec.Ledger.Serialization |
| utcTimeToCBOR | Shelley.Spec.Ledger.Serialization |
| UTXO | Shelley.Spec.Ledger.STS.Utxo, Shelley.Spec.Ledger.API |
| UTxO | |
| 1 (Type/Class) | Shelley.Spec.Ledger.UTxO, Shelley.Spec.Ledger.API |
| 2 (Data Constructor) | Shelley.Spec.Ledger.UTxO, Shelley.Spec.Ledger.API |
| UtxoEnv | |
| 1 (Type/Class) | Shelley.Spec.Ledger.STS.Utxo, Shelley.Spec.Ledger.API |
| 2 (Data Constructor) | Shelley.Spec.Ledger.STS.Utxo, Shelley.Spec.Ledger.API |
| UtxoFailure | Shelley.Spec.Ledger.STS.Utxow |
| UtxoPredicateFailure | Shelley.Spec.Ledger.STS.Utxo |
| UTxOState | |
| 1 (Type/Class) | Shelley.Spec.Ledger.LedgerState, Shelley.Spec.Ledger.API |
| 2 (Data Constructor) | Shelley.Spec.Ledger.LedgerState, Shelley.Spec.Ledger.API |
| UTXOW | Shelley.Spec.Ledger.STS.Utxow, Shelley.Spec.Ledger.API |
| UtxowFailure | Shelley.Spec.Ledger.STS.Ledger |
| utxoWitnessed | Shelley.Spec.Ledger.STS.Utxow |
| UtxowPredicateFailure | Shelley.Spec.Ledger.STS.Utxow |