diff --git a/packages/tron-wallet-snap/CHANGELOG.md b/packages/tron-wallet-snap/CHANGELOG.md
index 4cc38345..2509a5c7 100644
--- a/packages/tron-wallet-snap/CHANGELOG.md
+++ b/packages/tron-wallet-snap/CHANGELOG.md
@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Add Core messenger plumbing (`getMessenger`, `RemoteFeatureFlagsProvider`, `AssetsProvider`) for upcoming AssetsController migration ([#95](https://github.com/MetaMask/internal-snaps/pull/95))
 
+### Fixed
+
+- Scope `bip44:discover` activity checks and account creation to the networks declared in the snap manifest, preventing unnecessary calls to testnet APIs during discovery ([#135](https://github.com/MetaMask/internal-snaps/pull/135))
+
 ## [3.0.0]
 
 ### Added
diff --git a/packages/tron-wallet-snap/snap.manifest.json b/packages/tron-wallet-snap/snap.manifest.json
index 30ac1291..6a08ba2b 100644
--- a/packages/tron-wallet-snap/snap.manifest.json
+++ b/packages/tron-wallet-snap/snap.manifest.json
@@ -7,7 +7,7 @@
     "url": "https://github.com/MetaMask/internal-snaps.git"
   },
   "source": {
-    "shasum": "B9kqmuUcYgPAD3ojseIm2HymqK77Q4NEzULU876+5Wc=",
+    "shasum": "C13HWdtafD3wHLxY5EH6CQlnUuu8RQoe1YcaTX+P+rE=",
     "location": {
       "npm": {
         "filePath": "dist/bundle.js",
diff --git a/packages/tron-wallet-snap/src/services/accounts/AccountsService.test.ts b/packages/tron-wallet-snap/src/services/accounts/AccountsService.test.ts
index e8bdd0a7..d9b467ad 100644
--- a/packages/tron-wallet-snap/src/services/accounts/AccountsService.test.ts
+++ b/packages/tron-wallet-snap/src/services/accounts/AccountsService.test.ts
@@ -12,7 +12,6 @@ import {
   AccountCreationType,
   KeyringEvent,
   TrxAccountType,
-  TrxScope,
 } from '@metamask/keyring-api';
 import {
   emitSnapKeyringEvent,
@@ -30,7 +29,7 @@ import type { ConfigProvider } from '../config';
 import type { Config } from '../config/ConfigProvider';
 import type { TransactionsService } from '../transactions/TransactionsService';
 import type { AccountsRepository } from './AccountsRepository';
-import { AccountsService } from './AccountsService';
+import { AccountsService, SUPPORTED_SCOPES } from './AccountsService';
 
 jest.mock('@metamask/keyring-snap-sdk', () => ({
   emitSnapKeyringEvent: jest.fn(),
@@ -333,7 +332,7 @@ describe('AccountsService', () => {
           derivationPath: "m/44'/195'/0'/0/0",
           index: 0,
           type: TrxAccountType.Eoa,
-          scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+          scopes: SUPPORTED_SCOPES,
           methods: ['signMessage', 'signTransaction'],
         });
         expect(result.id).toBeDefined();
@@ -483,7 +482,7 @@ describe('AccountsService', () => {
         index: 0,
         type: TrxAccountType.Eoa,
         address: 'TConcurrent0',
-        scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+        scopes: SUPPORTED_SCOPES as unknown as Network[],
         options: {},
         methods: ['signMessage', 'signTransaction'],
       };
@@ -516,7 +515,7 @@ describe('AccountsService', () => {
         index: 0,
         type: TrxAccountType.Eoa,
         address: 'TExisting0',
-        scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+        scopes: SUPPORTED_SCOPES as unknown as Network[],
         options: {},
         methods: ['signMessage', 'signTransaction'],
       };
@@ -527,7 +526,7 @@ describe('AccountsService', () => {
         index: 1,
         type: TrxAccountType.Eoa,
         address: 'TExisting1',
-        scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+        scopes: SUPPORTED_SCOPES as unknown as Network[],
         options: {},
         methods: ['signMessage', 'signTransaction'],
       };
@@ -636,9 +635,9 @@ describe('AccountsService', () => {
           mockAccountsRepository,
           mockTransactionsService,
         }) => {
-          mockTransactionsService.checkAddressActivity
-            .mockResolvedValueOnce(false)
-            .mockResolvedValueOnce(true);
+          mockTransactionsService.checkAddressActivity.mockResolvedValueOnce(
+            true,
+          );
 
           const result = await accountsService.createAccounts({
             type: AccountCreationType.Bip44Discover,
@@ -673,7 +672,7 @@ describe('AccountsService', () => {
             index: 0,
             type: TrxAccountType.Eoa,
             address: 'TTestAddress1234567890123456789',
-            scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+            scopes: SUPPORTED_SCOPES as unknown as Network[],
             options: {
               entropy: {
                 type: 'mnemonic',
@@ -716,7 +715,7 @@ describe('AccountsService', () => {
         index: 0,
         type: TrxAccountType.Eoa,
         address: 'TExistingDefault0',
-        scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+        scopes: SUPPORTED_SCOPES as unknown as Network[],
         options: {},
         methods: ['signMessage', 'signTransaction'],
       };
@@ -733,7 +732,7 @@ describe('AccountsService', () => {
               index: 1,
               type: TrxAccountType.Eoa,
               address: 'TDefaultCreate1',
-              scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+              scopes: SUPPORTED_SCOPES as unknown as Network[],
               options: {
                 entropy: {
                   type: 'mnemonic',
@@ -769,7 +768,7 @@ describe('AccountsService', () => {
         index: 0,
         type: TrxAccountType.Eoa,
         address: 'TExisting123456789012345678901',
-        scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+        scopes: SUPPORTED_SCOPES as unknown as Network[],
         options: {},
         methods: ['signMessage', 'signTransaction'],
       };
@@ -804,7 +803,7 @@ describe('AccountsService', () => {
             index: 0,
             type: TrxAccountType.Eoa,
             address: 'TRollback12345678901234567890',
-            scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+            scopes: SUPPORTED_SCOPES as unknown as Network[],
             options: {
               entropy: {
                 type: 'mnemonic',
@@ -849,7 +848,7 @@ describe('AccountsService', () => {
             index: 0,
             type: TrxAccountType.Eoa,
             address: 'TRollback12345678901234567890',
-            scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+            scopes: SUPPORTED_SCOPES as unknown as Network[],
             options: {
               entropy: {
                 type: 'mnemonic',
@@ -892,7 +891,7 @@ describe('AccountsService', () => {
           index: 0,
           type: TrxAccountType.Eoa,
           address: 'TMeta1234567890123456789012',
-          scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+          scopes: SUPPORTED_SCOPES as unknown as Network[],
           options: {},
           methods: ['signMessage', 'signTransaction'],
         });
@@ -921,7 +920,7 @@ describe('AccountsService', () => {
         index: 0,
         type: TrxAccountType.Eoa,
         address: 'TConflict12345678901234567890',
-        scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+        scopes: SUPPORTED_SCOPES as unknown as Network[],
         options: {},
         methods: ['signMessage', 'signTransaction'],
       };
diff --git a/packages/tron-wallet-snap/src/services/accounts/AccountsService.ts b/packages/tron-wallet-snap/src/services/accounts/AccountsService.ts
index 3d9bd1b7..3f2674fe 100644
--- a/packages/tron-wallet-snap/src/services/accounts/AccountsService.ts
+++ b/packages/tron-wallet-snap/src/services/accounts/AccountsService.ts
@@ -9,7 +9,6 @@ import {
   assertCreateAccountOptionIsSupported,
   KeyringEvent,
   TrxAccountType,
-  TrxScope,
 } from '@metamask/keyring-api';
 import {
   emitSnapKeyringEvent,
@@ -21,6 +20,7 @@ import { hexToBytes } from '@metamask/utils';
 import { computeAddress } from 'ethers';
 import { TronWeb } from 'tronweb';
 
+import snapManifest from '../../../snap.manifest.json';
 import type { SnapClient } from '../../clients/snap/SnapClient';
 import { Network } from '../../constants';
 import { asStrictKeyringAccount } from '../../entities/keyring-account';
@@ -47,6 +47,10 @@ const CURVE = 'secp256k1' as const;
  */
 const MAX_BIP44_ACCOUNT_INDEX = 0x7fffffff;
 
+export const SUPPORTED_SCOPES = snapManifest.initialPermissions[
+  'endowment:keyring'
+].capabilities.scopes as readonly Network[];
+
 /**
  * Range of inclusive account indices to create.
  *
@@ -217,7 +221,7 @@ export class AccountsService {
       index,
       type: TrxAccountType.Eoa,
       address,
-      scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+      scopes: SUPPORTED_SCOPES as unknown as Network[],
       options: {
         entropy: {
           type: 'mnemonic',
@@ -357,7 +361,7 @@ export class AccountsService {
         index: groupIndex,
       });
       const activityChecks = await Promise.all(
-        Object.values(Network).map((scope) =>
+        SUPPORTED_SCOPES.map((scope) =>
           this.#transactionsService.checkAddressActivity(
             scope,
             derivedAccount.address,
@@ -418,7 +422,7 @@ export class AccountsService {
           index: groupIndex,
           type: TrxAccountType.Eoa,
           address,
-          scopes: [TrxScope.Mainnet, TrxScope.Nile, TrxScope.Shasta],
+          scopes: SUPPORTED_SCOPES as unknown as Network[],
           options: {
             entropy: {
               type: 'mnemonic',