diff --git a/package.json b/package.json
index 04098328933f..a04f6e9b3bc7 100644
--- a/package.json
+++ b/package.json
@@ -256,7 +256,8 @@
     "@ledgerhq/evm-tools/axios": "^0.28.0",
     "@ledgerhq/hw-app-eth/axios": "^0.28.0",
     "@ledgerhq/hw-app-eth@npm:^6.39.0": "patch:@ledgerhq/hw-app-eth@npm%3A6.39.0#~/.yarn/patches/@ledgerhq-hw-app-eth-npm-6.39.0-866309bbbe.patch",
-    "@ledgerhq/evm-tools@npm:^1.2.3": "patch:@ledgerhq/evm-tools@npm%3A1.2.3#~/.yarn/patches/@ledgerhq-evm-tools-npm-1.2.3-414f44baa9.patch"
+    "@ledgerhq/evm-tools@npm:^1.2.3": "patch:@ledgerhq/evm-tools@npm%3A1.2.3#~/.yarn/patches/@ledgerhq-evm-tools-npm-1.2.3-414f44baa9.patch",
+    "cross-spawn@npm:^5.0.1": "^7.0.5"
   },
   "dependencies": {
     "@babel/runtime": "patch:@babel/runtime@npm%3A7.25.9#~/.yarn/patches/@babel-runtime-npm-7.25.9-fe8c62510a.patch",
@@ -560,7 +561,7 @@
     "concurrently": "^8.2.2",
     "copy-webpack-plugin": "^12.0.2",
     "core-js-pure": "^3.38.0",
-    "cross-spawn": "^7.0.3",
+    "cross-spawn": "^7.0.5",
     "crypto-browserify": "^3.12.0",
     "css-loader": "^6.10.0",
     "css-to-xpath": "^0.1.0",
diff --git a/ui/components/app/modals/qr-scanner/qr-scanner.component.js b/ui/components/app/modals/qr-scanner/qr-scanner.component.js
index 75e1a83417b9..51ae5a89a6ef 100644
--- a/ui/components/app/modals/qr-scanner/qr-scanner.component.js
+++ b/ui/components/app/modals/qr-scanner/qr-scanner.component.js
@@ -22,6 +22,10 @@ const READY_STATE = {
   READY: 'READY',
 };
 
+const ethereumPrefix = 'ethereum:';
+// A 0x-prefixed Ethereum address is 42 characters (2 prefix + 40 address)
+const addressLength = 42;
+
 const parseContent = (content) => {
   let type = 'unknown';
   let values = {};
@@ -31,12 +35,18 @@ const parseContent = (content) => {
   // For ex. EIP-681 (https://eips.ethereum.org/EIPS/eip-681)
 
   // Ethereum address links - fox ex. ethereum:0x.....1111
-  if (content.split('ethereum:').length > 1) {
+  if (
+    content.split(ethereumPrefix).length > 1 &&
+    content.length === ethereumPrefix.length + addressLength
+  ) {
     type = 'address';
-    // uses regex capture groups to match and extract address while ignoring everything else
+    // uses regex capture groups to match and extract address
     values = { address: parseScanContent(content) };
     // Regular ethereum addresses - fox ex. 0x.....1111
-  } else if (content.substring(0, 2).toLowerCase() === '0x') {
+  } else if (
+    content.substring(0, 2).toLowerCase() === '0x' &&
+    content.length === addressLength
+  ) {
     type = 'address';
     values = { address: content };
   }
diff --git a/ui/selectors/selectors.js b/ui/selectors/selectors.js
index aad920b6cb8b..67d272b7642b 100644
--- a/ui/selectors/selectors.js
+++ b/ui/selectors/selectors.js
@@ -2196,6 +2196,58 @@ export const getAllEnabledNetworks = createDeepEqualSelector(
     ),
 );
 
+export const getChainIdsToPoll = createDeepEqualSelector(
+  getPreferences,
+  getNetworkConfigurationsByChainId,
+  getCurrentChainId,
+  (preferences, networkConfigurations, currentChainId) => {
+    const { pausedChainIds = [] } = preferences;
+
+    if (!process.env.PORTFOLIO_VIEW) {
+      return [currentChainId];
+    }
+
+    return Object.keys(networkConfigurations).filter(
+      (chainId) =>
+        !TEST_CHAINS.includes(chainId) && !pausedChainIds.includes(chainId),
+    );
+  },
+);
+
+export const getNetworkClientIdsToPoll = createDeepEqualSelector(
+  getPreferences,
+  getNetworkConfigurationsByChainId,
+  getCurrentChainId,
+  (preferences, networkConfigurations, currentChainId) => {
+    const { pausedChainIds = [] } = preferences;
+
+    if (!process.env.PORTFOLIO_VIEW) {
+      const networkConfiguration = networkConfigurations[currentChainId];
+      return [
+        networkConfiguration.rpcEndpoints[
+          networkConfiguration.defaultRpcEndpointIndex
+        ].networkClientId,
+      ];
+    }
+
+    return Object.entries(networkConfigurations).reduce(
+      (acc, [chainId, network]) => {
+        if (
+          !TEST_CHAINS.includes(chainId) &&
+          !pausedChainIds.includes(chainId)
+        ) {
+          acc.push(
+            network.rpcEndpoints[network.defaultRpcEndpointIndex]
+              .networkClientId,
+          );
+        }
+        return acc;
+      },
+      [],
+    );
+  },
+);
+
 /**
  *  To retrieve the maxBaseFee and priorityFee the user has set as default
  *
diff --git a/ui/selectors/selectors.test.js b/ui/selectors/selectors.test.js
index d6656e481709..85180dec45f4 100644
--- a/ui/selectors/selectors.test.js
+++ b/ui/selectors/selectors.test.js
@@ -838,6 +838,123 @@ describe('Selectors', () => {
     });
   });
 
+  describe('#getChainIdsToPoll', () => {
+    const networkConfigurationsByChainId = {
+      [CHAIN_IDS.MAINNET]: {
+        chainId: CHAIN_IDS.MAINNET,
+        defaultRpcEndpointIndex: 0,
+        rpcEndpoints: [{ networkClientId: 'mainnet' }],
+      },
+      [CHAIN_IDS.LINEA_MAINNET]: {
+        chainId: CHAIN_IDS.LINEA_MAINNET,
+        defaultRpcEndpointIndex: 0,
+        rpcEndpoints: [{ networkClientId: 'linea-mainnet' }],
+      },
+      [CHAIN_IDS.SEPOLIA]: {
+        chainId: CHAIN_IDS.SEPOLIA,
+        defaultRpcEndpointIndex: 0,
+        rpcEndpoints: [{ networkClientId: 'sepolia' }],
+      },
+      [CHAIN_IDS.LINEA_SEPOLIA]: {
+        chainId: CHAIN_IDS.LINEA_SEPOLIA,
+        defaultRpcEndpointIndex: 0,
+        rpcEndpoints: [{ networkClientId: 'linea-sepolia' }],
+      },
+    };
+
+    beforeEach(() => {
+      process.env.PORTFOLIO_VIEW = 'true';
+    });
+
+    afterEach(() => {
+      process.env.PORTFOLIO_VIEW = undefined;
+    });
+
+    it('returns only non-test chain IDs', () => {
+      const chainIds = selectors.getChainIdsToPoll({
+        metamask: {
+          preferences: { pausedChainIds: [] },
+          networkConfigurationsByChainId,
+          selectedNetworkClientId: 'mainnet',
+        },
+      });
+      expect(Object.values(chainIds)).toHaveLength(2);
+      expect(chainIds).toStrictEqual([
+        CHAIN_IDS.MAINNET,
+        CHAIN_IDS.LINEA_MAINNET,
+      ]);
+    });
+
+    it('does not return paused chain IDs', () => {
+      const chainIds = selectors.getChainIdsToPoll({
+        metamask: {
+          preferences: { pausedChainIds: [CHAIN_IDS.LINEA_MAINNET] },
+          networkConfigurationsByChainId,
+          selectedNetworkClientId: 'mainnet',
+        },
+      });
+      expect(Object.values(chainIds)).toHaveLength(1);
+      expect(chainIds).toStrictEqual([CHAIN_IDS.MAINNET]);
+    });
+  });
+
+  describe('#getNetworkClientIdsToPoll', () => {
+    const networkConfigurationsByChainId = {
+      [CHAIN_IDS.MAINNET]: {
+        chainId: CHAIN_IDS.MAINNET,
+        defaultRpcEndpointIndex: 0,
+        rpcEndpoints: [{ networkClientId: 'mainnet' }],
+      },
+      [CHAIN_IDS.LINEA_MAINNET]: {
+        chainId: CHAIN_IDS.LINEA_MAINNET,
+        defaultRpcEndpointIndex: 0,
+        rpcEndpoints: [{ networkClientId: 'linea-mainnet' }],
+      },
+      [CHAIN_IDS.SEPOLIA]: {
+        chainId: CHAIN_IDS.SEPOLIA,
+        defaultRpcEndpointIndex: 0,
+        rpcEndpoints: [{ networkClientId: 'sepolia' }],
+      },
+      [CHAIN_IDS.LINEA_SEPOLIA]: {
+        chainId: CHAIN_IDS.LINEA_SEPOLIA,
+        defaultRpcEndpointIndex: 0,
+        rpcEndpoints: [{ networkClientId: 'linea-sepolia' }],
+      },
+    };
+
+    beforeEach(() => {
+      process.env.PORTFOLIO_VIEW = 'true';
+    });
+
+    afterEach(() => {
+      process.env.PORTFOLIO_VIEW = undefined;
+    });
+
+    it('returns only non-test chain IDs', () => {
+      const chainIds = selectors.getNetworkClientIdsToPoll({
+        metamask: {
+          preferences: { pausedChainIds: [] },
+          networkConfigurationsByChainId,
+          selectedNetworkClientId: 'mainnet',
+        },
+      });
+      expect(Object.values(chainIds)).toHaveLength(2);
+      expect(chainIds).toStrictEqual(['mainnet', 'linea-mainnet']);
+    });
+
+    it('does not return paused chain IDs', () => {
+      const chainIds = selectors.getNetworkClientIdsToPoll({
+        metamask: {
+          preferences: { pausedChainIds: [CHAIN_IDS.LINEA_MAINNET] },
+          networkConfigurationsByChainId,
+          selectedNetworkClientId: 'mainnet',
+        },
+      });
+      expect(Object.values(chainIds)).toHaveLength(1);
+      expect(chainIds).toStrictEqual(['mainnet']);
+    });
+  });
+
   describe('#isHardwareWallet', () => {
     it('returns false if it is not a HW wallet', () => {
       const mockStateWithImported = modifyStateWithHWKeyring(
diff --git a/yarn.lock b/yarn.lock
index 4602bb34f62f..4e745717f247 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -16162,25 +16162,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"cross-spawn@npm:^5.0.1":
-  version: 5.1.0
-  resolution: "cross-spawn@npm:5.1.0"
-  dependencies:
-    lru-cache: "npm:^4.0.1"
-    shebang-command: "npm:^1.2.0"
-    which: "npm:^1.2.9"
-  checksum: 10/726939c9954fc70c20e538923feaaa33bebc253247d13021737c3c7f68cdc3e0a57f720c0fe75057c0387995349f3f12e20e9bfdbf12274db28019c7ea4ec166
-  languageName: node
-  linkType: hard
-
-"cross-spawn@npm:^7.0.0, cross-spawn@npm:^7.0.2, cross-spawn@npm:^7.0.3":
-  version: 7.0.3
-  resolution: "cross-spawn@npm:7.0.3"
+"cross-spawn@npm:^7.0.0, cross-spawn@npm:^7.0.2, cross-spawn@npm:^7.0.3, cross-spawn@npm:^7.0.5":
+  version: 7.0.6
+  resolution: "cross-spawn@npm:7.0.6"
   dependencies:
     path-key: "npm:^3.1.0"
     shebang-command: "npm:^2.0.0"
     which: "npm:^2.0.1"
-  checksum: 10/e1a13869d2f57d974de0d9ef7acbf69dc6937db20b918525a01dacb5032129bd552d290d886d981e99f1b624cb03657084cc87bd40f115c07ecf376821c729ce
+  checksum: 10/0d52657d7ae36eb130999dffff1168ec348687b48dd38e2ff59992ed916c88d328cf1d07ff4a4a10bc78de5e1c23f04b306d569e42f7a2293915c081e4dfee86
   languageName: node
   linkType: hard
 
@@ -26031,16 +26020,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"lru-cache@npm:^4.0.1":
-  version: 4.1.1
-  resolution: "lru-cache@npm:4.1.1"
-  dependencies:
-    pseudomap: "npm:^1.0.2"
-    yallist: "npm:^2.1.2"
-  checksum: 10/a412db13e89abe202c2314e633bd8580be2a668ba2036c34da376ac66163aa9fba4727ca66ff7907ad68fb574511f0bc6275c0598fdaeeab92e1125f5397d0e4
-  languageName: node
-  linkType: hard
-
 "lru-cache@npm:^5.1.1":
   version: 5.1.1
   resolution: "lru-cache@npm:5.1.1"
@@ -26927,7 +26906,7 @@ __metadata:
     copy-to-clipboard: "npm:^3.3.3"
     copy-webpack-plugin: "npm:^12.0.2"
     core-js-pure: "npm:^3.38.0"
-    cross-spawn: "npm:^7.0.3"
+    cross-spawn: "npm:^7.0.5"
     crypto-browserify: "npm:^3.12.0"
     css-loader: "npm:^6.10.0"
     css-to-xpath: "npm:^0.1.0"
@@ -30655,13 +30634,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"pseudomap@npm:^1.0.2":
-  version: 1.0.2
-  resolution: "pseudomap@npm:1.0.2"
-  checksum: 10/856c0aae0ff2ad60881168334448e898ad7a0e45fe7386d114b150084254c01e200c957cf378378025df4e052c7890c5bd933939b0e0d2ecfcc1dc2f0b2991f5
-  languageName: node
-  linkType: hard
-
 "psl@npm:^1.1.33":
   version: 1.9.0
   resolution: "psl@npm:1.9.0"
@@ -33737,15 +33709,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"shebang-command@npm:^1.2.0":
-  version: 1.2.0
-  resolution: "shebang-command@npm:1.2.0"
-  dependencies:
-    shebang-regex: "npm:^1.0.0"
-  checksum: 10/9eed1750301e622961ba5d588af2212505e96770ec376a37ab678f965795e995ade7ed44910f5d3d3cb5e10165a1847f52d3348c64e146b8be922f7707958908
-  languageName: node
-  linkType: hard
-
 "shebang-command@npm:^2.0.0":
   version: 2.0.0
   resolution: "shebang-command@npm:2.0.0"
@@ -33755,13 +33718,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"shebang-regex@npm:^1.0.0":
-  version: 1.0.0
-  resolution: "shebang-regex@npm:1.0.0"
-  checksum: 10/404c5a752cd40f94591dfd9346da40a735a05139dac890ffc229afba610854d8799aaa52f87f7e0c94c5007f2c6af55bdcaeb584b56691926c5eaf41dc8f1372
-  languageName: node
-  linkType: hard
-
 "shebang-regex@npm:^3.0.0":
   version: 3.0.0
   resolution: "shebang-regex@npm:3.0.0"
@@ -37911,7 +37867,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"which@npm:^1.2.12, which@npm:^1.2.14, which@npm:^1.2.9, which@npm:^1.3.1":
+"which@npm:^1.2.12, which@npm:^1.2.14, which@npm:^1.3.1":
   version: 1.3.1
   resolution: "which@npm:1.3.1"
   dependencies:
@@ -38245,13 +38201,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"yallist@npm:^2.1.2":
-  version: 2.1.2
-  resolution: "yallist@npm:2.1.2"
-  checksum: 10/75fc7bee4821f52d1c6e6021b91b3e079276f1a9ce0ad58da3c76b79a7e47d6f276d35e206a96ac16c1cf48daee38a8bb3af0b1522a3d11c8ffe18f898828832
-  languageName: node
-  linkType: hard
-
 "yallist@npm:^3.0.2":
   version: 3.1.1
   resolution: "yallist@npm:3.1.1"