diff --git a/yarn-project/aztec.js/src/wallet/account_wallet.ts b/yarn-project/aztec.js/src/wallet/account_wallet.ts
index 549b04a84c0..12f901c5d42 100644
--- a/yarn-project/aztec.js/src/wallet/account_wallet.ts
+++ b/yarn-project/aztec.js/src/wallet/account_wallet.ts
@@ -19,7 +19,7 @@ import { BaseWallet } from './base_wallet.js';
  */
 export class AccountWallet extends BaseWallet {
   constructor(pxe: PXE, protected account: AccountInterface) {
-    super(pxe);
+    super(pxe, [account.getAddress()]);
   }
 
   createTxExecutionRequest(exec: ExecutionRequestInit): Promise<TxExecutionRequest> {
diff --git a/yarn-project/aztec.js/src/wallet/base_wallet.ts b/yarn-project/aztec.js/src/wallet/base_wallet.ts
index 64fdc0abc99..7a6d4ec81de 100644
--- a/yarn-project/aztec.js/src/wallet/base_wallet.ts
+++ b/yarn-project/aztec.js/src/wallet/base_wallet.ts
@@ -39,7 +39,7 @@ import { type IntentAction, type IntentInnerHash } from '../utils/authwit.js';
  * A base class for Wallet implementations
  */
 export abstract class BaseWallet implements Wallet {
-  constructor(protected readonly pxe: PXE) {}
+  constructor(protected readonly pxe: PXE, private scopes?: AztecAddress[]) {}
 
   abstract getCompleteAddress(): CompleteAddress;
 
@@ -53,6 +53,10 @@ export abstract class BaseWallet implements Wallet {
 
   abstract rotateNullifierKeys(newNskM: Fq): Promise<void>;
 
+  setScopes(scopes: AztecAddress[]) {
+    this.scopes = scopes;
+  }
+
   getAddress() {
     return this.getCompleteAddress().address;
   }
@@ -102,10 +106,10 @@ export abstract class BaseWallet implements Wallet {
     return this.pxe.getContracts();
   }
   proveTx(txRequest: TxExecutionRequest, simulatePublic: boolean): Promise<Tx> {
-    return this.pxe.proveTx(txRequest, simulatePublic);
+    return this.pxe.proveTx(txRequest, simulatePublic, this.scopes);
   }
   simulateTx(txRequest: TxExecutionRequest, simulatePublic: boolean, msgSender?: AztecAddress): Promise<SimulatedTx> {
-    return this.pxe.simulateTx(txRequest, simulatePublic, msgSender);
+    return this.pxe.simulateTx(txRequest, simulatePublic, msgSender, this.scopes);
   }
   sendTx(tx: Tx): Promise<TxHash> {
     return this.pxe.sendTx(tx);
@@ -130,7 +134,7 @@ export abstract class BaseWallet implements Wallet {
     return this.pxe.getPublicStorageAt(contract, storageSlot);
   }
   addNote(note: ExtendedNote): Promise<void> {
-    return this.pxe.addNote(note);
+    return this.pxe.addNote(note, this.getAddress());
   }
   addNullifiedNote(note: ExtendedNote): Promise<void> {
     return this.pxe.addNullifiedNote(note);
diff --git a/yarn-project/end-to-end/src/composed/e2e_sandbox_example.test.ts b/yarn-project/end-to-end/src/composed/e2e_sandbox_example.test.ts
index 5ffd66872bb..60ee5474a5f 100644
--- a/yarn-project/end-to-end/src/composed/e2e_sandbox_example.test.ts
+++ b/yarn-project/end-to-end/src/composed/e2e_sandbox_example.test.ts
@@ -77,7 +77,7 @@ describe('e2e_sandbox_example', () => {
 
     // Add the newly created "pending shield" note to PXE
     const note = new Note([new Fr(initialSupply), aliceSecretHash]);
-    await pxe.addNote(
+    await aliceWallet.addNote(
       new ExtendedNote(
         note,
         alice,
@@ -152,7 +152,7 @@ describe('e2e_sandbox_example', () => {
     const mintPrivateReceipt = await tokenContractBob.methods.mint_private(mintQuantity, bobSecretHash).send().wait();
 
     const bobPendingShield = new Note([new Fr(mintQuantity), bobSecretHash]);
-    await pxe.addNote(
+    await bobWallet.addNote(
       new ExtendedNote(
         bobPendingShield,
         bob,
diff --git a/yarn-project/end-to-end/src/e2e_2_pxes.test.ts b/yarn-project/end-to-end/src/e2e_2_pxes.test.ts
index 9fd48ad4607..1ded4d5f9c8 100644
--- a/yarn-project/end-to-end/src/e2e_2_pxes.test.ts
+++ b/yarn-project/end-to-end/src/e2e_2_pxes.test.ts
@@ -116,7 +116,7 @@ describe('e2e_2_pxes', () => {
       TokenContract.notes.TransparentNote.id,
       receipt.txHash,
     );
-    await recipientPxe.addNote(extendedNote);
+    await recipientPxe.addNote(extendedNote, recipient);
 
     await contractAsRecipient.methods.redeem_shield(recipient, balance, secret).send().wait();
   };
diff --git a/yarn-project/end-to-end/src/e2e_authwit.test.ts b/yarn-project/end-to-end/src/e2e_authwit.test.ts
index a32af7b0e66..e986f09cce1 100644
--- a/yarn-project/end-to-end/src/e2e_authwit.test.ts
+++ b/yarn-project/end-to-end/src/e2e_authwit.test.ts
@@ -60,12 +60,18 @@ describe('e2e_authwit_tests', () => {
           isValidInPublic: false,
         });
 
+        // We give wallets[0] access to wallets[1]'s notes.
+        wallets[0].setScopes([wallets[0].getAddress(), wallets[1].getAddress()]);
+
         // Check that the authwit is NOT valid in private for wallets[1]
         expect(await wallets[0].lookupValidity(wallets[1].getAddress(), intent)).toEqual({
           isValidInPrivate: false,
           isValidInPublic: false,
         });
 
+        // We give wallets[1] access to wallets[0]'s notes.
+        wallets[1].setScopes([wallets[0].getAddress(), wallets[1].getAddress()]);
+
         // Consume the inner hash using the wallets[0] as the "on behalf of".
         await auth.withWallet(wallets[1]).methods.consume(wallets[0].getAddress(), innerHash).send().wait();
 
diff --git a/yarn-project/end-to-end/src/e2e_blacklist_token_contract/burn.test.ts b/yarn-project/end-to-end/src/e2e_blacklist_token_contract/burn.test.ts
index bd77461fa84..4d9da34679d 100644
--- a/yarn-project/end-to-end/src/e2e_blacklist_token_contract/burn.test.ts
+++ b/yarn-project/end-to-end/src/e2e_blacklist_token_contract/burn.test.ts
@@ -141,6 +141,9 @@ describe('e2e_blacklist_token_contract burn', () => {
       const witness = await wallets[0].createAuthWit({ caller: wallets[1].getAddress(), action });
       await wallets[1].addAuthWitness(witness);
 
+      // We give wallets[1] access to wallets[0]'s notes to be able to burn the notes.
+      wallets[1].setScopes([wallets[1].getAddress(), wallets[0].getAddress()]);
+
       await asset.withWallet(wallets[1]).methods.burn(wallets[0].getAddress(), amount, nonce).send().wait();
       tokenSim.burnPrivate(wallets[0].getAddress(), amount);
 
@@ -198,6 +201,9 @@ describe('e2e_blacklist_token_contract burn', () => {
           { chainId: wallets[0].getChainId(), version: wallets[0].getVersion() },
         );
 
+        // We give wallets[1] access to wallets[0]'s notes to test the authwit.
+        wallets[1].setScopes([wallets[1].getAddress(), wallets[0].getAddress()]);
+
         await expect(action.prove()).rejects.toThrow(`Unknown auth witness for message hash ${messageHash.toString()}`);
       });
 
@@ -217,6 +223,9 @@ describe('e2e_blacklist_token_contract burn', () => {
         const witness = await wallets[0].createAuthWit({ caller: wallets[1].getAddress(), action });
         await wallets[2].addAuthWitness(witness);
 
+        // We give wallets[2] access to wallets[0]'s notes to test the authwit.
+        wallets[2].setScopes([wallets[2].getAddress(), wallets[0].getAddress()]);
+
         await expect(action.prove()).rejects.toThrow(
           `Unknown auth witness for message hash ${expectedMessageHash.toString()}`,
         );
diff --git a/yarn-project/end-to-end/src/e2e_blacklist_token_contract/transfer_private.test.ts b/yarn-project/end-to-end/src/e2e_blacklist_token_contract/transfer_private.test.ts
index 88c74d23676..c35625d3450 100644
--- a/yarn-project/end-to-end/src/e2e_blacklist_token_contract/transfer_private.test.ts
+++ b/yarn-project/end-to-end/src/e2e_blacklist_token_contract/transfer_private.test.ts
@@ -30,6 +30,9 @@ describe('e2e_blacklist_token_contract transfer private', () => {
     expect(amount).toBeGreaterThan(0n);
     await asset.methods.transfer(wallets[0].getAddress(), wallets[1].getAddress(), amount, 0).send().wait();
     tokenSim.transferPrivate(wallets[0].getAddress(), wallets[1].getAddress(), amount);
+
+    // We give wallets[0] access to wallets[1]'s notes to be able to check balances after the test.
+    wallets[0].setScopes([wallets[0].getAddress(), wallets[1].getAddress()]);
   });
 
   it('transfer to self', async () => {
@@ -62,6 +65,9 @@ describe('e2e_blacklist_token_contract transfer private', () => {
     // docs:end:add_authwit
     // docs:end:authwit_transfer_example
 
+    // We give wallets[1] access to wallets[0]'s notes to be able to transfer the notes.
+    wallets[1].setScopes([wallets[1].getAddress(), wallets[0].getAddress()]);
+
     // Perform the transfer
     await action.send().wait();
     tokenSim.transferPrivate(wallets[0].getAddress(), wallets[1].getAddress(), amount);
@@ -72,6 +78,9 @@ describe('e2e_blacklist_token_contract transfer private', () => {
       .methods.transfer(wallets[0].getAddress(), wallets[1].getAddress(), amount, nonce)
       .send();
     await expect(txReplay.wait()).rejects.toThrow(DUPLICATE_NULLIFIER_ERROR);
+
+    // We give wallets[0] access to wallets[1]'s notes to be able to check balances after the test.
+    wallets[0].setScopes([wallets[0].getAddress(), wallets[1].getAddress()]);
   });
 
   describe('failure cases', () => {
@@ -161,6 +170,9 @@ describe('e2e_blacklist_token_contract transfer private', () => {
       const witness = await wallets[0].createAuthWit({ caller: wallets[1].getAddress(), action });
       await wallets[2].addAuthWitness(witness);
 
+      // We give wallets[2] access to wallets[0]'s notes to test the authwit.
+      wallets[2].setScopes([wallets[2].getAddress(), wallets[0].getAddress()]);
+
       await expect(action.prove()).rejects.toThrow(
         `Unknown auth witness for message hash ${expectedMessageHash.toString()}`,
       );
diff --git a/yarn-project/end-to-end/src/e2e_blacklist_token_contract/unshielding.test.ts b/yarn-project/end-to-end/src/e2e_blacklist_token_contract/unshielding.test.ts
index f00aa0bdbbe..40c9dcc4273 100644
--- a/yarn-project/end-to-end/src/e2e_blacklist_token_contract/unshielding.test.ts
+++ b/yarn-project/end-to-end/src/e2e_blacklist_token_contract/unshielding.test.ts
@@ -50,6 +50,9 @@ describe('e2e_blacklist_token_contract unshielding', () => {
     const witness = await wallets[0].createAuthWit({ caller: wallets[1].getAddress(), action });
     await wallets[1].addAuthWitness(witness);
 
+    // We give wallets[1] access to wallets[0]'s notes to unshield the note.
+    wallets[1].setScopes([wallets[1].getAddress(), wallets[0].getAddress()]);
+
     await action.send().wait();
     tokenSim.unshield(wallets[0].getAddress(), wallets[1].getAddress(), amount);
 
@@ -122,6 +125,9 @@ describe('e2e_blacklist_token_contract unshielding', () => {
       const witness = await wallets[0].createAuthWit({ caller: wallets[1].getAddress(), action });
       await wallets[2].addAuthWitness(witness);
 
+      // We give wallets[2] access to wallets[0]'s notes to test the authwit.
+      wallets[2].setScopes([wallets[2].getAddress(), wallets[0].getAddress()]);
+
       await expect(action.prove()).rejects.toThrow(
         `Unknown auth witness for message hash ${expectedMessageHash.toString()}`,
       );
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 0de4fac6276..36d45321544 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
@@ -238,6 +238,9 @@ describe('e2e_crowdfunding_and_claim', () => {
 
     // 3) We claim the reward token via the Claim contract
     {
+      // We allow the donor wallet to use the crowdfunding contract's notes
+      donorWallets[0].setScopes([donorWallets[0].getAddress(), crowdfundingContract.address]);
+
       await claimContract
         .withWallet(donorWallets[0])
         .methods.claim(valueNote, donorWallets[0].getAddress())
@@ -254,6 +257,8 @@ describe('e2e_crowdfunding_and_claim', () => {
       .simulate();
     expect(balanceDNTBeforeWithdrawal).toEqual(0n);
 
+    // We allow the operator wallet to use the crowdfunding contract's notes
+    operatorWallet.setScopes([operatorWallet.getAddress(), crowdfundingContract.address]);
     // 4) At last, we withdraw the raised funds from the crowdfunding contract to the operator's address
     await crowdfundingContract.methods.withdraw(donationAmount).send().wait();
 
@@ -399,6 +404,10 @@ describe('e2e_crowdfunding_and_claim', () => {
     // a non-entrypoint function (withdraw never calls context.end_setup()), meaning the min revertible counter will remain 0.
     // This does not protect fully against impersonation as the contract could just call context.end_setup() and the below would pass.
     // => the private_init msg_sender assertion is required (#7190, #7404)
+
+    // We allow the donor wallet to use the crowdfunding contract's notes
+    donorWallets[1].setScopes([donorWallets[1].getAddress(), crowdfundingContract.address]);
+
     await expect(donorWallets[1].simulateTx(request, true, operatorWallet.getAddress())).rejects.toThrow(
       'Assertion failed: Users cannot set msg_sender in first call',
     );
diff --git a/yarn-project/end-to-end/src/e2e_escrow_contract.test.ts b/yarn-project/end-to-end/src/e2e_escrow_contract.test.ts
index 44be872b3fd..d21c675cdc7 100644
--- a/yarn-project/end-to-end/src/e2e_escrow_contract.test.ts
+++ b/yarn-project/end-to-end/src/e2e_escrow_contract.test.ts
@@ -72,10 +72,13 @@ describe('e2e_escrow_contract', () => {
       TokenContract.notes.TransparentNote.id,
       receipt.txHash,
     );
-    await pxe.addNote(extendedNote);
+    await wallet.addNote(extendedNote);
 
     await token.methods.redeem_shield(escrowContract.address, mintAmount, secret).send().wait();
 
+    // We allow our wallet to see the escrow contract's notes.
+    wallet.setScopes([wallet.getAddress(), escrowContract.address]);
+
     logger.info(`Token contract deployed at ${token.address}`);
   });
 
@@ -123,7 +126,7 @@ describe('e2e_escrow_contract', () => {
       TokenContract.notes.TransparentNote.id,
       receipt.txHash,
     );
-    await pxe.addNote(extendedNote);
+    await wallet.addNote(extendedNote);
 
     await token.methods.redeem_shield(owner, mintAmount, secret).send().wait();
 
diff --git a/yarn-project/end-to-end/src/e2e_fees/account_init.test.ts b/yarn-project/end-to-end/src/e2e_fees/account_init.test.ts
index 35263c9a4cd..7a97a9f7d69 100644
--- a/yarn-project/end-to-end/src/e2e_fees/account_init.test.ts
+++ b/yarn-project/end-to-end/src/e2e_fees/account_init.test.ts
@@ -139,7 +139,7 @@ describe('e2e_fees account_init', () => {
       await expect(t.getGasBalanceFn(bananaFPC.address)).resolves.toEqual([fpcsInitialGas - actualFee]);
 
       // the new account should have received a refund
-      await t.addPendingShieldNoteToPXE(bobsAddress, maxFee - actualFee, computeSecretHash(rebateSecret), tx.txHash);
+      await t.addPendingShieldNoteToPXE(aliceAddress, maxFee - actualFee, computeSecretHash(rebateSecret), tx.txHash);
 
       // and it can redeem the refund
       await bananaCoin.methods
diff --git a/yarn-project/end-to-end/src/e2e_fees/dapp_subscription.test.ts b/yarn-project/end-to-end/src/e2e_fees/dapp_subscription.test.ts
index 33e25bda2bb..24300120a2a 100644
--- a/yarn-project/end-to-end/src/e2e_fees/dapp_subscription.test.ts
+++ b/yarn-project/end-to-end/src/e2e_fees/dapp_subscription.test.ts
@@ -112,6 +112,9 @@ describe('e2e_fees dapp_subscription', () => {
       new PrivateFeePaymentMethod(bananaCoin.address, bananaFPC.address, aliceWallet),
     );
 
+    // We let Alice see Bob's notes because the expect uses Alice's wallet to interact with the contracts to "get" state.
+    aliceWallet.setScopes([aliceAddress, bobAddress]);
+
     await expectMapping(
       t.getGasBalanceFn,
       [sequencerAddress, bananaFPC.address],
diff --git a/yarn-project/end-to-end/src/e2e_fees/fees_test.ts b/yarn-project/end-to-end/src/e2e_fees/fees_test.ts
index 2a46822c42e..77eb81550f3 100644
--- a/yarn-project/end-to-end/src/e2e_fees/fees_test.ts
+++ b/yarn-project/end-to-end/src/e2e_fees/fees_test.ts
@@ -145,7 +145,7 @@ export class FeesTest {
       BananaCoin.notes.TransparentNote.id,
       txHash,
     );
-    await this.pxe.addNote(extendedNote);
+    await this.pxe.addNote(extendedNote, ownerAddress);
   }
 
   public async applyBaseSnapshots() {
diff --git a/yarn-project/end-to-end/src/e2e_fees/gas_estimation.test.ts b/yarn-project/end-to-end/src/e2e_fees/gas_estimation.test.ts
index d718794a5ad..2b5477de80b 100644
--- a/yarn-project/end-to-end/src/e2e_fees/gas_estimation.test.ts
+++ b/yarn-project/end-to-end/src/e2e_fees/gas_estimation.test.ts
@@ -33,6 +33,9 @@ describe('e2e_fees gas_estimation', () => {
     ({ aliceWallet, aliceAddress, bobAddress, bananaCoin, bananaFPC, gasSettings, logger } = await t.setup());
 
     teardownFixedFee = gasSettings.teardownGasLimits.computeFee(GasFees.default()).toBigInt();
+
+    // We let Alice see Bob's notes because the expect uses Alice's wallet to interact with the contracts to "get" state.
+    aliceWallet.setScopes([aliceAddress, bobAddress]);
   });
 
   afterAll(async () => {
diff --git a/yarn-project/end-to-end/src/e2e_fees/native_payments.test.ts b/yarn-project/end-to-end/src/e2e_fees/native_payments.test.ts
index c202177a250..b3837d3de66 100644
--- a/yarn-project/end-to-end/src/e2e_fees/native_payments.test.ts
+++ b/yarn-project/end-to-end/src/e2e_fees/native_payments.test.ts
@@ -1,4 +1,9 @@
-import { type AztecAddress, NativeFeePaymentMethod, NativeFeePaymentMethodWithClaim } from '@aztec/aztec.js';
+import {
+  type AccountWallet,
+  type AztecAddress,
+  NativeFeePaymentMethod,
+  NativeFeePaymentMethodWithClaim,
+} from '@aztec/aztec.js';
 import { type GasSettings } from '@aztec/circuits.js';
 import { type TokenContract as BananaCoin, type GasTokenContract } from '@aztec/noir-contracts.js';
 
@@ -6,6 +11,7 @@ import { FeesTest } from './fees_test.js';
 
 describe('e2e_fees native_payments', () => {
   let aliceAddress: AztecAddress;
+  let aliceWallet: AccountWallet;
   let bobAddress: AztecAddress;
   let bananaCoin: BananaCoin;
   let gasSettings: GasSettings;
@@ -17,9 +23,12 @@ describe('e2e_fees native_payments', () => {
   beforeAll(async () => {
     await t.applyBaseSnapshots();
     await t.applyFundAliceWithBananas();
-    ({ gasTokenContract, aliceAddress, bobAddress, bananaCoin, gasSettings } = await t.setup());
+    ({ gasTokenContract, aliceAddress, aliceWallet, bobAddress, bananaCoin, gasSettings } = await t.setup());
 
     paymentMethod = new NativeFeePaymentMethod(aliceAddress);
+
+    // We let Alice see Bob's notes because the expect uses Alice's wallet to interact with the contracts to "get" state.
+    aliceWallet.setScopes([aliceAddress, bobAddress]);
   });
 
   afterAll(async () => {
diff --git a/yarn-project/end-to-end/src/e2e_fees/private_payments.test.ts b/yarn-project/end-to-end/src/e2e_fees/private_payments.test.ts
index 5c14a3bb1bf..8ad767e05be 100644
--- a/yarn-project/end-to-end/src/e2e_fees/private_payments.test.ts
+++ b/yarn-project/end-to-end/src/e2e_fees/private_payments.test.ts
@@ -1,10 +1,10 @@
 import {
+  type AccountWallet,
   type AztecAddress,
   BatchCall,
   Fr,
   PrivateFeePaymentMethod,
   type TxReceipt,
-  type Wallet,
   computeSecretHash,
 } from '@aztec/aztec.js';
 import { type GasSettings } from '@aztec/circuits.js';
@@ -14,7 +14,7 @@ import { expectMapping } from '../fixtures/utils.js';
 import { FeesTest } from './fees_test.js';
 
 describe('e2e_fees private_payment', () => {
-  let aliceWallet: Wallet;
+  let aliceWallet: AccountWallet;
   let aliceAddress: AztecAddress;
   let bobAddress: AztecAddress;
   let sequencerAddress: AztecAddress;
@@ -73,6 +73,9 @@ describe('e2e_fees private_payment', () => {
       t.getBananaPublicBalanceFn(aliceAddress, bobAddress, bananaFPC.address),
       t.getGasBalanceFn(aliceAddress, bananaFPC.address, sequencerAddress),
     ]);
+
+    // We let Alice see Bob's notes because the expect uses Alice's wallet to interact with the contracts to "get" state.
+    aliceWallet.setScopes([aliceAddress, bobAddress]);
   });
 
   const getFeeAndRefund = (tx: Pick<TxReceipt, 'transactionFee'>) => [tx.transactionFee!, maxFee - tx.transactionFee!];
diff --git a/yarn-project/end-to-end/src/e2e_fees/private_refunds.test.ts b/yarn-project/end-to-end/src/e2e_fees/private_refunds.test.ts
index d449c727bcd..8ae4466f20a 100644
--- a/yarn-project/end-to-end/src/e2e_fees/private_refunds.test.ts
+++ b/yarn-project/end-to-end/src/e2e_fees/private_refunds.test.ts
@@ -1,4 +1,5 @@
 import {
+  type AccountWallet,
   type AztecAddress,
   ExtendedNote,
   type FeePaymentMethod,
@@ -16,8 +17,9 @@ import { expectMapping } from '../fixtures/utils.js';
 import { FeesTest } from './fees_test.js';
 
 describe('e2e_fees/private_refunds', () => {
-  let aliceWallet: Wallet;
+  let aliceWallet: AccountWallet;
   let aliceAddress: AztecAddress;
+  let bobAddress: AztecAddress;
   let tokenWithRefunds: TokenWithRefundsContract;
   let privateFPC: PrivateFPCContract;
 
@@ -34,8 +36,11 @@ describe('e2e_fees/private_refunds', () => {
     await t.applyDeployGasTokenSnapshot();
     await t.applyTokenWithRefundsAndFPC();
     await t.applyFundAliceWithTokens();
-    ({ aliceWallet, aliceAddress, privateFPC, tokenWithRefunds } = await t.setup());
+    ({ aliceWallet, aliceAddress, bobAddress, privateFPC, tokenWithRefunds } = await t.setup());
     t.logger.debug(`Alice address: ${aliceAddress}`);
+
+    // We give Alice access to Bob's notes because Alice is used to check if balances are correct.
+    aliceWallet.setScopes([aliceAddress, bobAddress]);
   });
 
   afterAll(async () => {
diff --git a/yarn-project/end-to-end/src/e2e_keys.test.ts b/yarn-project/end-to-end/src/e2e_keys.test.ts
index d01f5e1bdcb..48afcf7d924 100644
--- a/yarn-project/end-to-end/src/e2e_keys.test.ts
+++ b/yarn-project/end-to-end/src/e2e_keys.test.ts
@@ -79,7 +79,7 @@ describe('Key Registry', () => {
 
       expect(await getNumNullifiedNotes(nskApp, testContract.address)).toEqual(0);
 
-      await testContract.methods.call_destroy_note(noteStorageSlot).send().wait();
+      await testContract.withWallet(account).methods.call_destroy_note(noteStorageSlot).send().wait();
 
       expect(await getNumNullifiedNotes(nskApp, testContract.address)).toEqual(1);
     });
diff --git a/yarn-project/end-to-end/src/e2e_multiple_accounts_1_enc_key.test.ts b/yarn-project/end-to-end/src/e2e_multiple_accounts_1_enc_key.test.ts
index 3cccc187f59..cc7c04d7c3a 100644
--- a/yarn-project/end-to-end/src/e2e_multiple_accounts_1_enc_key.test.ts
+++ b/yarn-project/end-to-end/src/e2e_multiple_accounts_1_enc_key.test.ts
@@ -72,7 +72,7 @@ describe('e2e_multiple_accounts_1_enc_key', () => {
       TokenContract.notes.TransparentNote.id,
       receipt.txHash,
     );
-    await pxe.addNote(extendedNote);
+    await wallets[0].addNote(extendedNote);
 
     await token.methods.redeem_shield(accounts[0], initialBalance, secret).send().wait();
   });
diff --git a/yarn-project/end-to-end/src/e2e_public_cross_chain_messaging/public_cross_chain_messaging_contract_test.ts b/yarn-project/end-to-end/src/e2e_public_cross_chain_messaging/public_cross_chain_messaging_contract_test.ts
index f344d479131..10e1d34a9c7 100644
--- a/yarn-project/end-to-end/src/e2e_public_cross_chain_messaging/public_cross_chain_messaging_contract_test.ts
+++ b/yarn-project/end-to-end/src/e2e_public_cross_chain_messaging/public_cross_chain_messaging_contract_test.ts
@@ -167,6 +167,7 @@ export class PublicCrossChainMessagingContractTest {
           walletClient,
           this.ownerAddress,
           this.aztecNodeConfig.l1Contracts,
+          this.user1Wallet,
         );
 
         this.publicClient = publicClient;
diff --git a/yarn-project/end-to-end/src/e2e_token_contract/burn.test.ts b/yarn-project/end-to-end/src/e2e_token_contract/burn.test.ts
index 1c89c74ac20..ed23358282e 100644
--- a/yarn-project/end-to-end/src/e2e_token_contract/burn.test.ts
+++ b/yarn-project/end-to-end/src/e2e_token_contract/burn.test.ts
@@ -134,6 +134,9 @@ describe('e2e_token_contract burn', () => {
       const witness = await wallets[0].createAuthWit({ caller: accounts[1].address, action });
       await wallets[1].addAuthWitness(witness);
 
+      // We give wallets[1] access to wallets[0]'s notes to burn the note.
+      wallets[1].setScopes([wallets[1].getAddress(), wallets[0].getAddress()]);
+
       await asset.withWallet(wallets[1]).methods.burn(accounts[0].address, amount, nonce).send().wait();
       tokenSim.burnPrivate(accounts[0].address, amount);
 
@@ -191,6 +194,9 @@ describe('e2e_token_contract burn', () => {
           { chainId: wallets[0].getChainId(), version: wallets[0].getVersion() },
         );
 
+        // We give wallets[1] access to wallets[0]'s notes to test the authwit.
+        wallets[1].setScopes([wallets[1].getAddress(), wallets[0].getAddress()]);
+
         await expect(action.simulate()).rejects.toThrow(
           `Unknown auth witness for message hash ${messageHash.toString()}`,
         );
@@ -212,6 +218,9 @@ describe('e2e_token_contract burn', () => {
         const witness = await wallets[0].createAuthWit({ caller: accounts[1].address, action });
         await wallets[2].addAuthWitness(witness);
 
+        // We give wallets[2] access to wallets[0]'s notes to test the authwit.
+        wallets[2].setScopes([wallets[2].getAddress(), wallets[0].getAddress()]);
+
         await expect(action.simulate()).rejects.toThrow(
           `Unknown auth witness for message hash ${expectedMessageHash.toString()}`,
         );
diff --git a/yarn-project/end-to-end/src/e2e_token_contract/transfer_private.test.ts b/yarn-project/end-to-end/src/e2e_token_contract/transfer_private.test.ts
index 8ac1bf96cda..170a5568153 100644
--- a/yarn-project/end-to-end/src/e2e_token_contract/transfer_private.test.ts
+++ b/yarn-project/end-to-end/src/e2e_token_contract/transfer_private.test.ts
@@ -34,6 +34,10 @@ describe('e2e_token_contract transfer private', () => {
     const balance0 = await asset.methods.balance_of_private(accounts[0].address).simulate();
     const amount = balance0 / 2n;
     expect(amount).toBeGreaterThan(0n);
+
+    // We give wallets[0] access to wallets[1]'s notes to be able to transfer the notes.
+    wallets[0].setScopes([wallets[0].getAddress(), wallets[1].getAddress()]);
+
     const tx = await asset.methods.transfer(accounts[1].address, amount).send().wait();
     tokenSim.transferPrivate(accounts[0].address, accounts[1].address, amount);
 
@@ -90,6 +94,9 @@ describe('e2e_token_contract transfer private', () => {
     });
     // docs:end:authwit_transfer_example
 
+    // We give wallets[1] access to wallets[0]'s notes to be able to transfer the notes.
+    wallets[1].setScopes([wallets[1].getAddress(), wallets[0].getAddress()]);
+
     // Perform the transfer
     await action.send().wait();
     tokenSim.transferPrivate(accounts[0].address, accounts[1].address, amount);
@@ -100,6 +107,9 @@ describe('e2e_token_contract transfer private', () => {
       .methods.transfer_from(accounts[0].address, accounts[1].address, amount, nonce)
       .send();
     await expect(txReplay.wait()).rejects.toThrow(DUPLICATE_NULLIFIER_ERROR);
+
+    // We let wallets[0] see wallets[1]'s notes because the check uses wallets[0]'s wallet to interact with the contracts to "get" state.
+    wallets[0].setScopes([wallets[0].getAddress(), wallets[1].getAddress()]);
   });
 
   describe('failure cases', () => {
@@ -196,6 +206,9 @@ describe('e2e_token_contract transfer private', () => {
       const witness = await wallets[0].createAuthWit({ caller: accounts[1].address, action });
       await wallets[2].addAuthWitness(witness);
 
+      // We give wallets[2] access to wallets[0]'s notes to test the authwit.
+      wallets[2].setScopes([wallets[2].getAddress(), wallets[0].getAddress()]);
+
       await expect(action.simulate()).rejects.toThrow(
         `Unknown auth witness for message hash ${expectedMessageHash.toString()}`,
       );
diff --git a/yarn-project/end-to-end/src/e2e_token_contract/unshielding.test.ts b/yarn-project/end-to-end/src/e2e_token_contract/unshielding.test.ts
index 6507f4aeeca..da7e80485d5 100644
--- a/yarn-project/end-to-end/src/e2e_token_contract/unshielding.test.ts
+++ b/yarn-project/end-to-end/src/e2e_token_contract/unshielding.test.ts
@@ -49,6 +49,9 @@ describe('e2e_token_contract unshielding', () => {
     const witness = await wallets[0].createAuthWit({ caller: accounts[1].address, action });
     await wallets[1].addAuthWitness(witness);
 
+    // We give wallets[1] access to wallets[0]'s notes to unshield the note.
+    wallets[1].setScopes([wallets[1].getAddress(), wallets[0].getAddress()]);
+
     await action.send().wait();
     tokenSim.unshield(accounts[0].address, accounts[1].address, amount);
 
@@ -120,6 +123,9 @@ describe('e2e_token_contract unshielding', () => {
       const witness = await wallets[0].createAuthWit({ caller: accounts[1].address, action });
       await wallets[2].addAuthWitness(witness);
 
+      // We give wallets[2] access to wallets[0]'s notes to test the authwit.
+      wallets[2].setScopes([wallets[2].getAddress(), wallets[0].getAddress()]);
+
       await expect(action.simulate()).rejects.toThrow(
         `Unknown auth witness for message hash ${expectedMessageHash.toString()}`,
       );
diff --git a/yarn-project/end-to-end/src/guides/dapp_testing.test.ts b/yarn-project/end-to-end/src/guides/dapp_testing.test.ts
index 81f12ef8a8c..ce9065c8147 100644
--- a/yarn-project/end-to-end/src/guides/dapp_testing.test.ts
+++ b/yarn-project/end-to-end/src/guides/dapp_testing.test.ts
@@ -64,10 +64,10 @@ describe('guides/dapp/testing', () => {
           TokenContract.notes.TransparentNote.id,
           receipt.txHash,
         );
-        await pxe.addNote(extendedNote);
+        await owner.addNote(extendedNote);
 
         await token.methods.redeem_shield(recipientAddress, mintAmount, secret).send().wait();
-        expect(await token.methods.balance_of_private(recipientAddress).simulate()).toEqual(20n);
+        expect(await token.withWallet(recipient).methods.balance_of_private(recipientAddress).simulate()).toEqual(20n);
       });
     });
 
@@ -104,10 +104,10 @@ describe('guides/dapp/testing', () => {
           TokenContract.notes.TransparentNote.id,
           receipt.txHash,
         );
-        await pxe.addNote(extendedNote);
+        await owner.addNote(extendedNote);
 
         await token.methods.redeem_shield(recipientAddress, mintAmount, secret).send().wait();
-        expect(await token.methods.balance_of_private(recipientAddress).simulate()).toEqual(20n);
+        expect(await token.withWallet(recipient).methods.balance_of_private(recipientAddress).simulate()).toEqual(20n);
       });
     });
 
@@ -167,7 +167,7 @@ describe('guides/dapp/testing', () => {
           TokenContract.notes.TransparentNote.id,
           receipt.txHash,
         );
-        await pxe.addNote(extendedNote);
+        await owner.addNote(extendedNote);
 
         await token.methods.redeem_shield(ownerAddress, 100n, secret).send().wait();
 
@@ -184,6 +184,7 @@ describe('guides/dapp/testing', () => {
           owner: owner.getAddress(),
           contractAddress: token.address,
           storageSlot: ownerSlot,
+          scopes: [owner.getAddress()],
         });
         const values = notes.map(note => note.note.items[0]);
         const balance = values.reduce((sum, current) => sum + current.toBigInt(), 0n);
diff --git a/yarn-project/end-to-end/src/guides/writing_an_account_contract.test.ts b/yarn-project/end-to-end/src/guides/writing_an_account_contract.test.ts
index 44a4f8306b6..754bf3d8943 100644
--- a/yarn-project/end-to-end/src/guides/writing_an_account_contract.test.ts
+++ b/yarn-project/end-to-end/src/guides/writing_an_account_contract.test.ts
@@ -81,7 +81,7 @@ describe('guides/writing_an_account_contract', () => {
       TokenContract.notes.TransparentNote.id,
       receipt.txHash,
     );
-    await pxe.addNote(extendedNote);
+    await wallet.addNote(extendedNote);
 
     await token.methods.redeem_shield(address, mintAmount, secret).send().wait();
 
diff --git a/yarn-project/end-to-end/src/shared/browser.ts b/yarn-project/end-to-end/src/shared/browser.ts
index abe5aa278e0..fe70c7f5acc 100644
--- a/yarn-project/end-to-end/src/shared/browser.ts
+++ b/yarn-project/end-to-end/src/shared/browser.ts
@@ -271,7 +271,7 @@ export const browserTestSuite = (
             noteTypeId,
             mintPrivateReceipt.txHash,
           );
-          await pxe.addNote(extendedNote);
+          await owner.addNote(extendedNote);
 
           await token.methods.redeem_shield(ownerAddress, initialBalance, secret).send().wait();
 
diff --git a/yarn-project/end-to-end/src/shared/cross_chain_test_harness.ts b/yarn-project/end-to-end/src/shared/cross_chain_test_harness.ts
index b6f43b98435..e96a98893de 100644
--- a/yarn-project/end-to-end/src/shared/cross_chain_test_harness.ts
+++ b/yarn-project/end-to-end/src/shared/cross_chain_test_harness.ts
@@ -187,6 +187,7 @@ export class CrossChainTestHarness {
       walletClient,
       owner.address,
       l1ContractAddresses,
+      wallet,
     );
   }
 
@@ -226,6 +227,9 @@ export class CrossChainTestHarness {
 
     /** Deployment addresses for all L1 contracts */
     public readonly l1ContractAddresses: L1ContractAddresses,
+
+    /** Wallet of the owner. */
+    public readonly ownerWallet: Wallet,
   ) {}
 
   /**
@@ -440,7 +444,7 @@ export class CrossChainTestHarness {
       TokenContract.notes.TransparentNote.id,
       txHash,
     );
-    await this.pxeService.addNote(extendedNote);
+    await this.ownerWallet.addNote(extendedNote);
   }
 
   async redeemShieldPrivatelyOnL2(shieldAmount: bigint, secret: Fr) {