diff --git a/yarn-project/aztec.js/src/index.ts b/yarn-project/aztec.js/src/index.ts
index 626f858ba38..cf7198dd956 100644
--- a/yarn-project/aztec.js/src/index.ts
+++ b/yarn-project/aztec.js/src/index.ts
@@ -102,6 +102,7 @@ export {
   EncryptedLogOutgoingBody,
   EventType,
   ExtendedNote,
+  UniqueNote,
   FunctionCall,
   L1Actor,
   L1ToL2Message,
diff --git a/yarn-project/aztec.js/src/rpc_clients/pxe_client.ts b/yarn-project/aztec.js/src/rpc_clients/pxe_client.ts
index 54b2aa81a11..4e8424bf5ea 100644
--- a/yarn-project/aztec.js/src/rpc_clients/pxe_client.ts
+++ b/yarn-project/aztec.js/src/rpc_clients/pxe_client.ts
@@ -15,6 +15,7 @@ import {
   TxHash,
   TxReceipt,
   UnencryptedL2BlockL2Logs,
+  UniqueNote,
 } from '@aztec/circuit-types';
 import {
   AztecAddress,
@@ -45,6 +46,7 @@ export const createPXEClient = (url: string, fetch = makeFetch([1, 2, 3], false)
       FunctionSelector,
       EthAddress,
       ExtendedNote,
+      UniqueNote,
       ExtendedUnencryptedL2Log,
       Fr,
       GrumpkinScalar,
diff --git a/yarn-project/aztec.js/src/wallet/base_wallet.ts b/yarn-project/aztec.js/src/wallet/base_wallet.ts
index 7a6d4ec81de..b4c1ebec830 100644
--- a/yarn-project/aztec.js/src/wallet/base_wallet.ts
+++ b/yarn-project/aztec.js/src/wallet/base_wallet.ts
@@ -17,6 +17,7 @@ import {
   type TxExecutionRequest,
   type TxHash,
   type TxReceipt,
+  type UniqueNote,
 } from '@aztec/circuit-types';
 import { type NoteProcessorStats } from '@aztec/circuit-types/stats';
 import {
@@ -120,16 +121,12 @@ export abstract class BaseWallet implements Wallet {
   getTxReceipt(txHash: TxHash): Promise<TxReceipt> {
     return this.pxe.getTxReceipt(txHash);
   }
-  getIncomingNotes(filter: IncomingNotesFilter): Promise<ExtendedNote[]> {
+  getIncomingNotes(filter: IncomingNotesFilter): Promise<UniqueNote[]> {
     return this.pxe.getIncomingNotes(filter);
   }
-  getOutgoingNotes(filter: OutgoingNotesFilter): Promise<ExtendedNote[]> {
+  getOutgoingNotes(filter: OutgoingNotesFilter): Promise<UniqueNote[]> {
     return this.pxe.getOutgoingNotes(filter);
   }
-  // TODO(#4956): Un-expose this
-  getNoteNonces(note: ExtendedNote): Promise<Fr[]> {
-    return this.pxe.getNoteNonces(note);
-  }
   getPublicStorageAt(contract: AztecAddress, storageSlot: Fr): Promise<any> {
     return this.pxe.getPublicStorageAt(contract, storageSlot);
   }
diff --git a/yarn-project/circuit-types/src/interfaces/pxe.ts b/yarn-project/circuit-types/src/interfaces/pxe.ts
index efa100eac0d..3fb1dad58e8 100644
--- a/yarn-project/circuit-types/src/interfaces/pxe.ts
+++ b/yarn-project/circuit-types/src/interfaces/pxe.ts
@@ -18,7 +18,7 @@ import { type AuthWitness } from '../auth_witness.js';
 import { type L2Block } from '../l2_block.js';
 import { type GetUnencryptedLogsResponse, type L1EventPayload, type LogFilter } from '../logs/index.js';
 import { type IncomingNotesFilter } from '../notes/incoming_notes_filter.js';
-import { type ExtendedNote, type OutgoingNotesFilter } from '../notes/index.js';
+import { type ExtendedNote, type OutgoingNotesFilter, type UniqueNote } from '../notes/index.js';
 import { type NoteProcessorStats } from '../stats/stats.js';
 import { type SimulatedTx, type Tx, type TxHash, type TxReceipt } from '../tx/index.js';
 import { type TxEffect } from '../tx_effect.js';
@@ -235,23 +235,14 @@ export interface PXE {
    * @param filter - The filter to apply to the notes.
    * @returns The requested notes.
    */
-  getIncomingNotes(filter: IncomingNotesFilter): Promise<ExtendedNote[]>;
+  getIncomingNotes(filter: IncomingNotesFilter): Promise<UniqueNote[]>;
 
   /**
    * Gets outgoing notes of accounts registered in this PXE based on the provided filter.
    * @param filter - The filter to apply to the notes.
    * @returns The requested notes.
    */
-  getOutgoingNotes(filter: OutgoingNotesFilter): Promise<ExtendedNote[]>;
-
-  /**
-   * Finds the nonce(s) for a given note.
-   * @param note - The note to find the nonces for.
-   * @returns The nonces of the note.
-   * @remarks More than a single nonce may be returned since there might be more than one nonce for a given note.
-   * TODO(#4956): Un-expose this
-   */
-  getNoteNonces(note: ExtendedNote): Promise<Fr[]>;
+  getOutgoingNotes(filter: OutgoingNotesFilter): Promise<UniqueNote[]>;
 
   /**
    * Adds a note to the database.
diff --git a/yarn-project/circuit-types/src/mocks.ts b/yarn-project/circuit-types/src/mocks.ts
index 62bae58036f..c8734f769ef 100644
--- a/yarn-project/circuit-types/src/mocks.ts
+++ b/yarn-project/circuit-types/src/mocks.ts
@@ -31,7 +31,7 @@ import { Fr } from '@aztec/foundation/fields';
 import { type ContractInstanceWithAddress, SerializableContractInstance } from '@aztec/types/contracts';
 
 import { EncryptedNoteTxL2Logs, EncryptedTxL2Logs, Note, UnencryptedTxL2Logs } from './logs/index.js';
-import { ExtendedNote } from './notes/index.js';
+import { ExtendedNote, UniqueNote } from './notes/index.js';
 import { PublicExecutionRequest } from './public_execution_request.js';
 import { NestedProcessReturnValues, PublicSimulationOutput, SimulatedTx, Tx, TxHash } from './tx/index.js';
 
@@ -255,3 +255,15 @@ export const randomExtendedNote = ({
 }: Partial<ExtendedNote> = {}) => {
   return new ExtendedNote(note, owner, contractAddress, storageSlot, noteTypeId, txHash);
 };
+
+export const randomUniqueNote = ({
+  note = Note.random(),
+  owner = AztecAddress.random(),
+  contractAddress = AztecAddress.random(),
+  txHash = randomTxHash(),
+  storageSlot = Fr.random(),
+  noteTypeId = NoteSelector.random(),
+  nonce = Fr.random(),
+}: Partial<UniqueNote> = {}) => {
+  return new UniqueNote(note, owner, contractAddress, storageSlot, noteTypeId, txHash, nonce);
+};
diff --git a/yarn-project/circuit-types/src/notes/extended_note.test.ts b/yarn-project/circuit-types/src/notes/extended_note.test.ts
index 0b5f8c89edb..25a2280b527 100644
--- a/yarn-project/circuit-types/src/notes/extended_note.test.ts
+++ b/yarn-project/circuit-types/src/notes/extended_note.test.ts
@@ -1,5 +1,5 @@
-import { randomExtendedNote } from '../mocks.js';
-import { ExtendedNote } from './extended_note.js';
+import { randomExtendedNote, randomUniqueNote } from '../mocks.js';
+import { ExtendedNote, UniqueNote } from './extended_note.js';
 
 describe('Extended Note', () => {
   it('convert to and from buffer', () => {
@@ -8,3 +8,11 @@ describe('Extended Note', () => {
     expect(ExtendedNote.fromBuffer(buf)).toEqual(extendedNote);
   });
 });
+
+describe('Unique Note', () => {
+  it('convert to and from buffer', () => {
+    const uniqueNote = randomUniqueNote();
+    const buf = uniqueNote.toBuffer();
+    expect(UniqueNote.fromBuffer(buf)).toEqual(uniqueNote);
+  });
+});
diff --git a/yarn-project/circuit-types/src/notes/extended_note.ts b/yarn-project/circuit-types/src/notes/extended_note.ts
index bf91e2dc49d..4b3184563d0 100644
--- a/yarn-project/circuit-types/src/notes/extended_note.ts
+++ b/yarn-project/circuit-types/src/notes/extended_note.ts
@@ -57,3 +57,55 @@ export class ExtendedNote {
     return ExtendedNote.fromBuffer(Buffer.from(hex, 'hex'));
   }
 }
+
+export class UniqueNote extends ExtendedNote {
+  constructor(
+    /** The note as emitted from the Noir contract. */
+    note: Note,
+    /** The owner whose public key was used to encrypt the note. */
+    owner: AztecAddress,
+    /** The contract address this note is created in. */
+    contractAddress: AztecAddress,
+    /** The specific storage location of the note on the contract. */
+    storageSlot: Fr,
+    /** The type identifier of the note on the contract. */
+    noteTypeId: NoteSelector,
+    /** The hash of the tx the note was created in. */
+    txHash: TxHash,
+    /** The nonce of the note. */
+    public nonce: Fr,
+  ) {
+    super(note, owner, contractAddress, storageSlot, noteTypeId, txHash);
+  }
+
+  override toBuffer(): Buffer {
+    return Buffer.concat([
+      this.note.toBuffer(),
+      this.owner.toBuffer(),
+      this.contractAddress.toBuffer(),
+      this.storageSlot.toBuffer(),
+      this.noteTypeId.toBuffer(),
+      this.txHash.buffer,
+      this.nonce.toBuffer(),
+    ]);
+  }
+
+  static override fromBuffer(buffer: Buffer | BufferReader) {
+    const reader = BufferReader.asReader(buffer);
+
+    const note = Note.fromBuffer(reader);
+    const owner = AztecAddress.fromBuffer(reader);
+    const contractAddress = AztecAddress.fromBuffer(reader);
+    const storageSlot = Fr.fromBuffer(reader);
+    const noteTypeId = reader.readObject(NoteSelector);
+    const txHash = new TxHash(reader.readBytes(TxHash.SIZE));
+    const nonce = Fr.fromBuffer(reader);
+
+    return new this(note, owner, contractAddress, storageSlot, noteTypeId, txHash, nonce);
+  }
+
+  static override fromString(str: string) {
+    const hex = str.replace(/^0x/, '');
+    return UniqueNote.fromBuffer(Buffer.from(hex, 'hex'));
+  }
+}
diff --git a/yarn-project/circuit-types/src/tx/tx_receipt.ts b/yarn-project/circuit-types/src/tx/tx_receipt.ts
index 1543ef9fd46..e784e938c9c 100644
--- a/yarn-project/circuit-types/src/tx/tx_receipt.ts
+++ b/yarn-project/circuit-types/src/tx/tx_receipt.ts
@@ -1,7 +1,7 @@
 import { RevertCode } from '@aztec/circuits.js';
 import { type Fr } from '@aztec/foundation/fields';
 
-import { type ExtendedNote } from '../notes/extended_note.js';
+import { type UniqueNote } from '../notes/extended_note.js';
 import { type PublicDataWrite } from '../public_data_write.js';
 import { TxHash } from './tx_hash.js';
 
@@ -126,11 +126,11 @@ interface DebugInfo {
    * in the PXE which was used to submit the tx. You will not get notes of accounts which are not registered in
    * the PXE here even though they were created in this tx.
    */
-  visibleIncomingNotes: ExtendedNote[];
+  visibleIncomingNotes: UniqueNote[];
   /**
    * Notes created in this tx which were successfully decoded with the outgoing keys of accounts which are registered
    * in the PXE which was used to submit the tx. You will not get notes of accounts which are not registered in
    * the PXE here even though they were created in this tx.
    */
-  visibleOutgoingNotes: ExtendedNote[];
+  visibleOutgoingNotes: UniqueNote[];
 }
diff --git a/yarn-project/end-to-end/src/e2e_crowdfunding_and_claim.test.ts b/yarn-project/end-to-end/src/e2e_crowdfunding_and_claim.test.ts
index f88ba231142..d143c627bb5 100644
--- a/yarn-project/end-to-end/src/e2e_crowdfunding_and_claim.test.ts
+++ b/yarn-project/end-to-end/src/e2e_crowdfunding_and_claim.test.ts
@@ -12,6 +12,7 @@ import {
   PackedValues,
   TxExecutionRequest,
   type TxHash,
+  type UniqueNote,
   computeSecretHash,
   deriveKeys,
 } from '@aztec/aztec.js';
@@ -180,27 +181,22 @@ describe('e2e_crowdfunding_and_claim', () => {
     ]);
   };
 
-  // Processes extended note such that it can be passed to a claim function of Claim contract
-  const processExtendedNote = async (extendedNote: ExtendedNote) => {
-    // TODO(#4956): Make fetching the nonce manually unnecessary
-    // To be able to perform the inclusion proof we need to fetch the nonce of the value note
-    const noteNonces = await pxe.getNoteNonces(extendedNote);
-    expect(noteNonces?.length).toEqual(1);
-
+  // Processes unique note such that it can be passed to a claim function of Claim contract
+  const processUniqueNote = (uniqueNote: UniqueNote) => {
     return {
       header: {
         // eslint-disable-next-line camelcase
-        contract_address: extendedNote.contractAddress,
+        contract_address: uniqueNote.contractAddress,
         // eslint-disable-next-line camelcase
-        storage_slot: extendedNote.storageSlot,
+        storage_slot: uniqueNote.storageSlot,
         // eslint-disable-next-line camelcase
         note_hash_counter: 0, // set as 0 as note is not transient
-        nonce: noteNonces[0],
+        nonce: uniqueNote.nonce,
       },
-      value: extendedNote.note.items[0],
+      value: uniqueNote.note.items[0],
       // eslint-disable-next-line camelcase
-      npk_m_hash: extendedNote.note.items[1],
-      randomness: extendedNote.note.items[2],
+      npk_m_hash: uniqueNote.note.items[1],
+      randomness: uniqueNote.note.items[2],
     };
   };
 
@@ -233,7 +229,7 @@ describe('e2e_crowdfunding_and_claim', () => {
       expect(notes!.length).toEqual(1);
 
       // Set the value note in a format which can be passed to claim function
-      valueNote = await processExtendedNote(notes![0]);
+      valueNote = processUniqueNote(notes![0]);
     }
 
     // 3) We claim the reward token via the Claim contract
@@ -304,7 +300,7 @@ describe('e2e_crowdfunding_and_claim', () => {
     expect(notes!.length).toEqual(1);
 
     // Set the value note in a format which can be passed to claim function
-    const anotherDonationNote = await processExtendedNote(notes![0]);
+    const anotherDonationNote = processUniqueNote(notes![0]);
 
     // We create an unrelated pxe and wallet without access to the nsk_app that correlates to the npk_m specified in the proof note.
     let unrelatedWallet: AccountWallet;
@@ -356,7 +352,7 @@ describe('e2e_crowdfunding_and_claim', () => {
       const receipt = await inclusionsProofsContract.methods.create_note(owner, 5n).send().wait({ debug: true });
       const { visibleIncomingNotes } = receipt.debugInfo!;
       expect(visibleIncomingNotes.length).toEqual(1);
-      note = await processExtendedNote(visibleIncomingNotes![0]);
+      note = processUniqueNote(visibleIncomingNotes![0]);
     }
 
     // 3) Test the note was included
diff --git a/yarn-project/pxe/src/pxe_http/pxe_http_server.ts b/yarn-project/pxe/src/pxe_http/pxe_http_server.ts
index c4ab90e3a9d..3a99d2b572a 100644
--- a/yarn-project/pxe/src/pxe_http/pxe_http_server.ts
+++ b/yarn-project/pxe/src/pxe_http/pxe_http_server.ts
@@ -16,6 +16,7 @@ import {
   TxHash,
   TxReceipt,
   UnencryptedL2BlockL2Logs,
+  UniqueNote,
 } from '@aztec/circuit-types';
 import { FunctionSelector } from '@aztec/circuits.js';
 import { NoteSelector } from '@aztec/foundation/abi';
@@ -48,6 +49,7 @@ export function createPXERpcServer(pxeService: PXE): JsonRpcServer {
       GrumpkinScalar,
       Note,
       ExtendedNote,
+      UniqueNote,
       AuthWitness,
       L2Block,
       TxEffect,
diff --git a/yarn-project/pxe/src/pxe_service/pxe_service.ts b/yarn-project/pxe/src/pxe_service/pxe_service.ts
index 7b6ba12d62c..cdb96184d8d 100644
--- a/yarn-project/pxe/src/pxe_service/pxe_service.ts
+++ b/yarn-project/pxe/src/pxe_service/pxe_service.ts
@@ -5,7 +5,7 @@ import {
   EncryptedTxL2Logs,
   type EventMetadata,
   EventType,
-  ExtendedNote,
+  type ExtendedNote,
   type FunctionCall,
   type GetUnencryptedLogsResponse,
   type IncomingNotesFilter,
@@ -26,6 +26,7 @@ import {
   type TxHash,
   type TxReceipt,
   UnencryptedTxL2Logs,
+  UniqueNote,
   isNoirCallStackUnresolved,
 } from '@aztec/circuit-types';
 import {
@@ -296,7 +297,7 @@ export class PXEService implements PXE {
     return await this.node.getPublicStorageAt(contract, slot, 'latest');
   }
 
-  public async getIncomingNotes(filter: IncomingNotesFilter): Promise<ExtendedNote[]> {
+  public async getIncomingNotes(filter: IncomingNotesFilter): Promise<UniqueNote[]> {
     const noteDaos = await this.db.getIncomingNotes(filter);
 
     // TODO(#6531): Refactor --> This type conversion is ugly but I decided to keep it this way for now because
@@ -312,12 +313,20 @@ export class PXEService implements PXE {
         }
         owner = completeAddresses.address;
       }
-      return new ExtendedNote(dao.note, owner, dao.contractAddress, dao.storageSlot, dao.noteTypeId, dao.txHash);
+      return new UniqueNote(
+        dao.note,
+        owner,
+        dao.contractAddress,
+        dao.storageSlot,
+        dao.noteTypeId,
+        dao.txHash,
+        dao.nonce,
+      );
     });
     return Promise.all(extendedNotes);
   }
 
-  public async getOutgoingNotes(filter: OutgoingNotesFilter): Promise<ExtendedNote[]> {
+  public async getOutgoingNotes(filter: OutgoingNotesFilter): Promise<UniqueNote[]> {
     const noteDaos = await this.db.getOutgoingNotes(filter);
 
     // TODO(#6532): Refactor --> This type conversion is ugly but I decided to keep it this way for now because
@@ -333,7 +342,15 @@ export class PXEService implements PXE {
         }
         owner = completeAddresses.address;
       }
-      return new ExtendedNote(dao.note, owner, dao.contractAddress, dao.storageSlot, dao.noteTypeId, dao.txHash);
+      return new UniqueNote(
+        dao.note,
+        owner,
+        dao.contractAddress,
+        dao.storageSlot,
+        dao.noteTypeId,
+        dao.txHash,
+        dao.nonce,
+      );
     });
     return Promise.all(extendedNotes);
   }
@@ -344,7 +361,7 @@ export class PXEService implements PXE {
       throw new Error(`Unknown account: ${note.owner.toString()}`);
     }
 
-    const nonces = await this.getNoteNonces(note);
+    const nonces = await this.#getNoteNonces(note);
     if (nonces.length === 0) {
       throw new Error(`Cannot find the note in tx: ${note.txHash}.`);
     }
@@ -394,7 +411,7 @@ export class PXEService implements PXE {
       throw new Error(`Unknown account: ${note.owner.toString()}`);
     }
 
-    const nonces = await this.getNoteNonces(note);
+    const nonces = await this.#getNoteNonces(note);
     if (nonces.length === 0) {
       throw new Error(`Cannot find the note in tx: ${note.txHash}.`);
     }
@@ -440,9 +457,8 @@ export class PXEService implements PXE {
    * @param note - The note to find the nonces for.
    * @returns The nonces of the note.
    * @remarks More than a single nonce may be returned since there might be more than one nonce for a given note.
-   * TODO(#4956): Un-expose this
    */
-  public async getNoteNonces(note: ExtendedNote): Promise<Fr[]> {
+  async #getNoteNonces(note: ExtendedNote): Promise<Fr[]> {
     const tx = await this.node.getTxEffect(note.txHash);
     if (!tx) {
       throw new Error(`Unknown tx: ${note.txHash}`);