diff --git a/app/scripts/controllers/network/create-network-client.test.js b/app/scripts/controllers/network/create-network-client.test.js
new file mode 100644
index 000000000..7e674392b
--- /dev/null
+++ b/app/scripts/controllers/network/create-network-client.test.js
@@ -0,0 +1,7 @@
+import { NetworkClientType } from './create-network-client';
+import { testsForProviderType } from './provider-api-tests/shared-tests';
+
+describe('createNetworkClient', () => {
+  testsForProviderType(NetworkClientType.Infura);
+  testsForProviderType(NetworkClientType.Custom);
+});
diff --git a/app/scripts/controllers/network/create-network-client.ts b/app/scripts/controllers/network/create-network-client.ts
new file mode 100644
index 000000000..6e96b71f5
--- /dev/null
+++ b/app/scripts/controllers/network/create-network-client.ts
@@ -0,0 +1,191 @@
+import {
+  createAsyncMiddleware,
+  createScaffoldMiddleware,
+  JsonRpcEngine,
+  mergeMiddleware,
+  JsonRpcMiddleware,
+} from 'json-rpc-engine';
+import {
+  createBlockCacheMiddleware,
+  createBlockRefMiddleware,
+  createBlockRefRewriteMiddleware,
+  createBlockTrackerInspectorMiddleware,
+  createInflightCacheMiddleware,
+  createFetchMiddleware,
+  createRetryOnEmptyMiddleware,
+} from '@metamask/eth-json-rpc-middleware';
+import {
+  providerFromEngine,
+  providerFromMiddleware,
+  SafeEventEmitterProvider,
+} from '@metamask/eth-json-rpc-provider';
+import { createInfuraMiddleware } from '@metamask/eth-json-rpc-infura';
+import type { Hex } from '@metamask/utils/dist';
+import { PollingBlockTracker } from 'eth-block-tracker/dist';
+import { SECOND } from '../../../../shared/constants/time';
+import {
+  BUILT_IN_INFURA_NETWORKS,
+  BuiltInInfuraNetwork,
+} from '../../../../shared/constants/network';
+
+export enum NetworkClientType {
+  Custom = 'custom',
+  Infura = 'infura',
+}
+
+type CustomNetworkConfiguration = {
+  chainId: Hex;
+  rpcUrl: string;
+  type: NetworkClientType.Custom;
+};
+
+type InfuraNetworkConfiguration = {
+  network: BuiltInInfuraNetwork;
+  infuraProjectId: string;
+  type: NetworkClientType.Infura;
+};
+
+/**
+ * Create a JSON RPC network client for a specific network.
+ *
+ * @param networkConfig - The network configuration.
+ * @returns
+ */
+export function createNetworkClient(
+  networkConfig: CustomNetworkConfiguration | InfuraNetworkConfiguration,
+): { provider: SafeEventEmitterProvider; blockTracker: PollingBlockTracker } {
+  const rpcApiMiddleware =
+    networkConfig.type === NetworkClientType.Infura
+      ? createInfuraMiddleware({
+          network: networkConfig.network,
+          projectId: networkConfig.infuraProjectId,
+          maxAttempts: 5,
+          source: 'metamask',
+        })
+      : createFetchMiddleware({
+          btoa: global.btoa,
+          fetch: global.fetch,
+          rpcUrl: networkConfig.rpcUrl,
+        });
+
+  const rpcProvider = providerFromMiddleware(rpcApiMiddleware);
+
+  const blockTrackerOpts =
+    process.env.IN_TEST && networkConfig.type === 'custom'
+      ? { pollingInterval: SECOND }
+      : {};
+  const blockTracker = new PollingBlockTracker({
+    ...blockTrackerOpts,
+    provider: rpcProvider,
+  });
+
+  const networkMiddleware =
+    networkConfig.type === NetworkClientType.Infura
+      ? createInfuraNetworkMiddleware({
+          blockTracker,
+          network: networkConfig.network,
+          rpcProvider,
+          rpcApiMiddleware,
+        })
+      : createCustomNetworkMiddleware({
+          blockTracker,
+          chainId: networkConfig.chainId,
+          rpcApiMiddleware,
+        });
+
+  const engine = new JsonRpcEngine();
+
+  engine.push(networkMiddleware);
+
+  const provider = providerFromEngine(engine);
+
+  return { provider, blockTracker };
+}
+
+function createInfuraNetworkMiddleware({
+  blockTracker,
+  network,
+  rpcProvider,
+  rpcApiMiddleware,
+}: {
+  blockTracker: PollingBlockTracker;
+  network: BuiltInInfuraNetwork;
+  rpcProvider: SafeEventEmitterProvider;
+  rpcApiMiddleware: JsonRpcMiddleware<unknown, unknown>;
+}) {
+  return mergeMiddleware([
+    createNetworkAndChainIdMiddleware({ network }),
+    createBlockCacheMiddleware({ blockTracker }),
+    createInflightCacheMiddleware(),
+    createBlockRefMiddleware({ blockTracker, provider: rpcProvider }),
+    createRetryOnEmptyMiddleware({ blockTracker, provider: rpcProvider }),
+    createBlockTrackerInspectorMiddleware({ blockTracker }),
+    rpcApiMiddleware,
+  ]);
+}
+
+function createNetworkAndChainIdMiddleware({
+  network,
+}: {
+  network: BuiltInInfuraNetwork;
+}) {
+  if (!BUILT_IN_INFURA_NETWORKS[network]) {
+    throw new Error(`createInfuraClient - unknown network "${network}"`);
+  }
+
+  const { chainId, networkId } = BUILT_IN_INFURA_NETWORKS[network];
+
+  return createScaffoldMiddleware({
+    eth_chainId: chainId,
+    net_version: networkId,
+  });
+}
+
+const createChainIdMiddleware = (
+  chainId: string,
+): JsonRpcMiddleware<unknown, unknown> => {
+  return (req, res, next, end) => {
+    if (req.method === 'eth_chainId') {
+      res.result = chainId;
+      return end();
+    }
+    return next();
+  };
+};
+
+function createCustomNetworkMiddleware({
+  blockTracker,
+  chainId,
+  rpcApiMiddleware,
+}: {
+  blockTracker: PollingBlockTracker;
+  chainId: string;
+  rpcApiMiddleware: any;
+}) {
+  const testMiddlewares = process.env.IN_TEST
+    ? [createEstimateGasDelayTestMiddleware()]
+    : [];
+
+  return mergeMiddleware([
+    ...testMiddlewares,
+    createChainIdMiddleware(chainId),
+    createBlockRefRewriteMiddleware({ blockTracker }),
+    createBlockCacheMiddleware({ blockTracker }),
+    createInflightCacheMiddleware(),
+    createBlockTrackerInspectorMiddleware({ blockTracker }),
+    rpcApiMiddleware,
+  ]);
+}
+
+/**
+ * For use in tests only.
+ * Adds a delay to `eth_estimateGas` calls.
+ */
+function createEstimateGasDelayTestMiddleware() {
+  return createAsyncMiddleware(async (req, _, next) => {
+    if (req.method === 'eth_estimateGas') {
+      await new Promise((resolve) => setTimeout(resolve, SECOND * 2));
+    }
+    return next();
+  });
+}
diff --git a/app/scripts/controllers/network/createInfuraClient.js b/app/scripts/controllers/network/createInfuraClient.js
deleted file mode 100644
index 76461eb62..000000000
--- a/app/scripts/controllers/network/createInfuraClient.js
+++ /dev/null
@@ -1,49 +0,0 @@
-import { createScaffoldMiddleware, mergeMiddleware } from 'json-rpc-engine';
-import {
-  createBlockRefMiddleware,
-  createRetryOnEmptyMiddleware,
-  createBlockCacheMiddleware,
-  createInflightCacheMiddleware,
-  createBlockTrackerInspectorMiddleware,
-  providerFromMiddleware,
-} from '@metamask/eth-json-rpc-middleware';
-
-import { createInfuraMiddleware } from '@metamask/eth-json-rpc-infura';
-import { PollingBlockTracker } from 'eth-block-tracker';
-
-import { BUILT_IN_NETWORKS } from '../../../../shared/constants/network';
-
-export default function createInfuraClient({ network, projectId }) {
-  const infuraMiddleware = createInfuraMiddleware({
-    network,
-    projectId,
-    maxAttempts: 5,
-    source: 'metamask',
-  });
-  const infuraProvider = providerFromMiddleware(infuraMiddleware);
-  const blockTracker = new PollingBlockTracker({ provider: infuraProvider });
-
-  const networkMiddleware = mergeMiddleware([
-    createNetworkAndChainIdMiddleware({ network }),
-    createBlockCacheMiddleware({ blockTracker }),
-    createInflightCacheMiddleware(),
-    createBlockRefMiddleware({ blockTracker, provider: infuraProvider }),
-    createRetryOnEmptyMiddleware({ blockTracker, provider: infuraProvider }),
-    createBlockTrackerInspectorMiddleware({ blockTracker }),
-    infuraMiddleware,
-  ]);
-  return { networkMiddleware, blockTracker };
-}
-
-function createNetworkAndChainIdMiddleware({ network }) {
-  if (!BUILT_IN_NETWORKS[network]) {
-    throw new Error(`createInfuraClient - unknown network "${network}"`);
-  }
-
-  const { chainId, networkId } = BUILT_IN_NETWORKS[network];
-
-  return createScaffoldMiddleware({
-    eth_chainId: chainId,
-    net_version: networkId,
-  });
-}
diff --git a/app/scripts/controllers/network/createInfuraClient.test.js b/app/scripts/controllers/network/createInfuraClient.test.js
deleted file mode 100644
index d1b1a7ccf..000000000
--- a/app/scripts/controllers/network/createInfuraClient.test.js
+++ /dev/null
@@ -1,5 +0,0 @@
-import { testsForProviderType } from './provider-api-tests/shared-tests';
-
-describe('createInfuraClient', () => {
-  testsForProviderType('infura');
-});
diff --git a/app/scripts/controllers/network/createJsonRpcClient.js b/app/scripts/controllers/network/createJsonRpcClient.js
deleted file mode 100644
index b8cf0e7aa..000000000
--- a/app/scripts/controllers/network/createJsonRpcClient.js
+++ /dev/null
@@ -1,61 +0,0 @@
-import { createAsyncMiddleware, mergeMiddleware } from 'json-rpc-engine';
-import {
-  createFetchMiddleware,
-  createBlockRefRewriteMiddleware,
-  createBlockCacheMiddleware,
-  createInflightCacheMiddleware,
-  createBlockTrackerInspectorMiddleware,
-  providerFromMiddleware,
-} from '@metamask/eth-json-rpc-middleware';
-import { PollingBlockTracker } from 'eth-block-tracker';
-import { SECOND } from '../../../../shared/constants/time';
-
-export default function createJsonRpcClient({ rpcUrl, chainId }) {
-  const blockTrackerOpts = process.env.IN_TEST
-    ? { pollingInterval: SECOND }
-    : {};
-  const fetchMiddleware = createFetchMiddleware({ rpcUrl });
-  const blockProvider = providerFromMiddleware(fetchMiddleware);
-  const blockTracker = new PollingBlockTracker({
-    ...blockTrackerOpts,
-    provider: blockProvider,
-  });
-  const testMiddlewares = process.env.IN_TEST
-    ? [createEstimateGasDelayTestMiddleware()]
-    : [];
-
-  const networkMiddleware = mergeMiddleware([
-    ...testMiddlewares,
-    createChainIdMiddleware(chainId),
-    createBlockRefRewriteMiddleware({ blockTracker }),
-    createBlockCacheMiddleware({ blockTracker }),
-    createInflightCacheMiddleware(),
-    createBlockTrackerInspectorMiddleware({ blockTracker }),
-    fetchMiddleware,
-  ]);
-
-  return { networkMiddleware, blockTracker };
-}
-
-function createChainIdMiddleware(chainId) {
-  return (req, res, next, end) => {
-    if (req.method === 'eth_chainId') {
-      res.result = chainId;
-      return end();
-    }
-    return next();
-  };
-}
-
-/**
- * For use in tests only.
- * Adds a delay to `eth_estimateGas` calls.
- */
-function createEstimateGasDelayTestMiddleware() {
-  return createAsyncMiddleware(async (req, _, next) => {
-    if (req.method === 'eth_estimateGas') {
-      await new Promise((resolve) => setTimeout(resolve, SECOND * 2));
-    }
-    return next();
-  });
-}
diff --git a/app/scripts/controllers/network/createJsonRpcClient.test.js b/app/scripts/controllers/network/createJsonRpcClient.test.js
deleted file mode 100644
index 1c3443d25..000000000
--- a/app/scripts/controllers/network/createJsonRpcClient.test.js
+++ /dev/null
@@ -1,5 +0,0 @@
-import { testsForProviderType } from './provider-api-tests/shared-tests';
-
-describe('createJsonRpcClient', () => {
-  testsForProviderType('custom');
-});
diff --git a/app/scripts/controllers/network/network-controller.js b/app/scripts/controllers/network/network-controller.js
index 20869f227..06d236e26 100644
--- a/app/scripts/controllers/network/network-controller.js
+++ b/app/scripts/controllers/network/network-controller.js
@@ -1,8 +1,6 @@
 import { strict as assert } from 'assert';
 import EventEmitter from 'events';
 import { ComposedStore, ObservableStore } from '@metamask/obs-store';
-import { JsonRpcEngine } from 'json-rpc-engine';
-import { providerFromEngine } from '@metamask/eth-json-rpc-middleware';
 import log from 'loglevel';
 import {
   createSwappableProxy,
@@ -24,8 +22,7 @@ import {
   isSafeChainId,
 } from '../../../../shared/modules/network.utils';
 import { EVENT } from '../../../../shared/constants/metametrics';
-import createInfuraClient from './createInfuraClient';
-import createJsonRpcClient from './createJsonRpcClient';
+import { createNetworkClient } from './create-network-client';
 
 /**
  * @typedef {object} NetworkConfiguration
@@ -428,7 +425,10 @@ export default class NetworkController extends EventEmitter {
     // infura type-based endpoints
     const isInfura = INFURA_PROVIDER_TYPES.includes(type);
     if (isInfura) {
-      this._configureInfuraProvider(type, this._infuraProjectId);
+      this._configureInfuraProvider({
+        type,
+        infuraProjectId: this._infuraProjectId,
+      });
       // url-based rpc endpoints
     } else if (type === NETWORK_TYPES.RPC) {
       this._configureStandardProvider(rpcUrl, chainId);
@@ -439,25 +439,23 @@ export default class NetworkController extends EventEmitter {
     }
   }
 
-  _configureInfuraProvider(type, projectId) {
+  _configureInfuraProvider({ type, infuraProjectId }) {
     log.info('NetworkController - configureInfuraProvider', type);
-    const networkClient = createInfuraClient({
+    const { provider, blockTracker } = createNetworkClient({
       network: type,
-      projectId,
+      infuraProjectId,
+      type: 'infura',
     });
-    this._setNetworkClient(networkClient);
+    this._setProviderAndBlockTracker({ provider, blockTracker });
   }
 
   _configureStandardProvider(rpcUrl, chainId) {
     log.info('NetworkController - configureStandardProvider', rpcUrl);
-    const networkClient = createJsonRpcClient({ rpcUrl, chainId });
-    this._setNetworkClient(networkClient);
-  }
-
-  _setNetworkClient({ networkMiddleware, blockTracker }) {
-    const engine = new JsonRpcEngine();
-    engine.push(networkMiddleware);
-    const provider = providerFromEngine(engine);
+    const { provider, blockTracker } = createNetworkClient({
+      chainId,
+      rpcUrl,
+      type: 'custom',
+    });
     this._setProviderAndBlockTracker({ provider, blockTracker });
   }
 
diff --git a/app/scripts/controllers/network/network-controller.test.js b/app/scripts/controllers/network/network-controller.test.js
index a3743ae56..cd4e9a782 100644
--- a/app/scripts/controllers/network/network-controller.test.js
+++ b/app/scripts/controllers/network/network-controller.test.js
@@ -3,15 +3,15 @@ import { isMatch } from 'lodash';
 import { v4 } from 'uuid';
 import nock from 'nock';
 import sinon from 'sinon';
-import * as ethJsonRpcMiddlewareModule from '@metamask/eth-json-rpc-middleware';
+import * as ethJsonRpcProvider from '@metamask/eth-json-rpc-provider';
 import { BUILT_IN_NETWORKS } from '../../../../shared/constants/network';
 import { EVENT } from '../../../../shared/constants/metametrics';
 import NetworkController from './network-controller';
 
-jest.mock('@metamask/eth-json-rpc-middleware', () => {
+jest.mock('@metamask/eth-json-rpc-provider', () => {
   return {
     __esModule: true,
-    ...jest.requireActual('@metamask/eth-json-rpc-middleware'),
+    ...jest.requireActual('@metamask/eth-json-rpc-provider'),
   };
 });
 
@@ -1760,7 +1760,7 @@ describe('NetworkController', () => {
                   },
                 ];
                 jest
-                  .spyOn(ethJsonRpcMiddlewareModule, 'providerFromEngine')
+                  .spyOn(ethJsonRpcProvider, 'providerFromEngine')
                   .mockImplementationOnce(() => fakeProviders[0])
                   .mockImplementationOnce(() => fakeProviders[1]);
                 await withoutCallingLookupNetwork({
@@ -1876,7 +1876,7 @@ describe('NetworkController', () => {
                   },
                 ];
                 jest
-                  .spyOn(ethJsonRpcMiddlewareModule, 'providerFromEngine')
+                  .spyOn(ethJsonRpcProvider, 'providerFromEngine')
                   .mockImplementationOnce(() => fakeProviders[0])
                   .mockImplementationOnce(() => fakeProviders[1]);
                 await withoutCallingLookupNetwork({
diff --git a/app/scripts/controllers/network/provider-api-tests/helpers.js b/app/scripts/controllers/network/provider-api-tests/helpers.js
index a5d92b91e..afa91a7bb 100644
--- a/app/scripts/controllers/network/provider-api-tests/helpers.js
+++ b/app/scripts/controllers/network/provider-api-tests/helpers.js
@@ -1,10 +1,7 @@
 import nock from 'nock';
 import sinon from 'sinon';
-import { JsonRpcEngine } from 'json-rpc-engine';
-import { providerFromEngine } from '@metamask/eth-json-rpc-middleware';
 import EthQuery from 'eth-query';
-import createInfuraClient from '../createInfuraClient';
-import createJsonRpcClient from '../createJsonRpcClient';
+import { createNetworkClient } from '../create-network-client';
 
 /**
  * @typedef {import('nock').Scope} NockScope
@@ -414,20 +411,21 @@ export async function withNetworkClient(
   delete process.env.IN_TEST;
   const clientUnderTest =
     providerType === 'infura'
-      ? createInfuraClient({
+      ? createNetworkClient({
           network: infuraNetwork,
-          projectId: MOCK_INFURA_PROJECT_ID,
+          infuraProjectId: MOCK_INFURA_PROJECT_ID,
+          type: 'infura',
         })
-      : createJsonRpcClient({ rpcUrl: customRpcUrl, chainId: customChainId });
+      : createNetworkClient({
+          chainId: customChainId,
+          rpcUrl: customRpcUrl,
+          type: 'custom',
+        });
   process.env.IN_TEST = inTest;
 
-  const { networkMiddleware, blockTracker } = clientUnderTest;
+  const { provider, blockTracker } = clientUnderTest;
 
-  const engine = new JsonRpcEngine();
-  engine.push(networkMiddleware);
-  const provider = providerFromEngine(engine);
   const ethQuery = new EthQuery(provider);
-
   const curriedMakeRpcCall = (request) => makeRpcCall(ethQuery, request);
   const makeRpcCallsInSeries = async (requests) => {
     const responses = [];
diff --git a/app/scripts/controllers/network/provider-api-tests/shared-tests.js b/app/scripts/controllers/network/provider-api-tests/shared-tests.js
index d61595670..04412d3f0 100644
--- a/app/scripts/controllers/network/provider-api-tests/shared-tests.js
+++ b/app/scripts/controllers/network/provider-api-tests/shared-tests.js
@@ -291,9 +291,9 @@ export function testsForProviderType(providerType) {
         // tests on the core side.
 
         { name: 'net_listening', numberOfParameters: 0 },
-
-        { name: 'eth_subscribe', numberOfParameters: 1 },
-        { name: 'eth_unsubscribe', numberOfParameters: 1 },
+        // TODO: Methods to add back when we add testing for subscribe middleware
+        // { name: 'eth_subscribe', numberOfParameters: 1 },
+        // { name: 'eth_unsubscribe', numberOfParameters: 1 },
         { name: 'custom_rpc_method', numberOfParameters: 1 },
         { name: 'net_peerCount', numberOfParameters: 0 },
         { name: 'parity_nextNonce', numberOfParameters: 1 },
diff --git a/lavamoat/browserify/beta/policy.json b/lavamoat/browserify/beta/policy.json
index 17687c27b..7d933f82d 100644
--- a/lavamoat/browserify/beta/policy.json
+++ b/lavamoat/browserify/beta/policy.json
@@ -871,8 +871,9 @@
         "setTimeout": true
       },
       "packages": {
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util": true,
+        "@metamask/eth-json-rpc-infura>@metamask/utils": true,
         "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>pify": true,
+        "@metamask/eth-keyring-controller>@metamask/eth-sig-util": true,
         "browserify>browser-resolve": true,
         "eth-rpc-errors": true,
         "json-rpc-engine": true,
@@ -881,57 +882,19 @@
         "vinyl>clone": true
       }
     },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util": {
-      "packages": {
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util": true,
-        "ethereumjs-abi": true
-      }
-    },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util": {
-      "packages": {
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethereum-cryptography": true,
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethjs-util": true,
-        "bn.js": true,
-        "browserify>assert": true,
-        "browserify>buffer": true,
-        "ethereumjs-util>create-hash": true,
-        "ethereumjs-util>rlp": true,
-        "ethereumjs-wallet>safe-buffer": true,
-        "ganache>secp256k1>elliptic": true
-      }
-    },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethereum-cryptography": {
-      "packages": {
-        "browserify>buffer": true,
-        "ethereumjs-util>ethereum-cryptography>keccak": true,
-        "ethereumjs-util>ethereum-cryptography>secp256k1": true,
-        "ethereumjs-wallet>randombytes": true
-      }
-    },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethjs-util": {
-      "packages": {
-        "browserify>buffer": true,
-        "ethjs>ethjs-util>is-hex-prefixed": true,
-        "ethjs>ethjs-util>strip-hex-prefix": true
-      }
-    },
     "@metamask/eth-json-rpc-middleware": {
       "globals": {
         "URL": true,
-        "btoa": true,
         "console.error": true,
-        "fetch": true,
         "setTimeout": true
       },
       "packages": {
         "@metamask/eth-json-rpc-middleware>@metamask/utils": true,
         "@metamask/eth-json-rpc-middleware>pify": true,
+        "@metamask/eth-json-rpc-middleware>safe-stable-stringify": true,
         "@metamask/eth-keyring-controller>@metamask/eth-sig-util": true,
-        "browserify>browser-resolve": true,
         "eth-rpc-errors": true,
         "json-rpc-engine": true,
-        "json-rpc-engine>@metamask/safe-event-emitter": true,
-        "lavamoat>json-stable-stringify": true,
         "vinyl>clone": true
       }
     },
@@ -947,6 +910,12 @@
         "semver": true
       }
     },
+    "@metamask/eth-json-rpc-provider": {
+      "packages": {
+        "json-rpc-engine": true,
+        "json-rpc-engine>@metamask/safe-event-emitter": true
+      }
+    },
     "@metamask/eth-keyring-controller": {
       "packages": {
         "@metamask/eth-keyring-controller>@metamask/eth-hd-keyring": true,
@@ -2610,6 +2579,11 @@
         "document.createElement": true
       }
     },
+    "btoa": {
+      "packages": {
+        "browserify>buffer": true
+      }
+    },
     "classnames": {
       "globals": {
         "classNames": "write",
diff --git a/lavamoat/browserify/desktop/policy.json b/lavamoat/browserify/desktop/policy.json
index ceadebd90..46ce15ef8 100644
--- a/lavamoat/browserify/desktop/policy.json
+++ b/lavamoat/browserify/desktop/policy.json
@@ -925,8 +925,9 @@
         "setTimeout": true
       },
       "packages": {
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util": true,
+        "@metamask/eth-json-rpc-infura>@metamask/utils": true,
         "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>pify": true,
+        "@metamask/eth-keyring-controller>@metamask/eth-sig-util": true,
         "browserify>browser-resolve": true,
         "eth-rpc-errors": true,
         "json-rpc-engine": true,
@@ -935,57 +936,19 @@
         "vinyl>clone": true
       }
     },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util": {
-      "packages": {
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util": true,
-        "ethereumjs-abi": true
-      }
-    },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util": {
-      "packages": {
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethereum-cryptography": true,
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethjs-util": true,
-        "bn.js": true,
-        "browserify>assert": true,
-        "browserify>buffer": true,
-        "ethereumjs-util>create-hash": true,
-        "ethereumjs-util>rlp": true,
-        "ethereumjs-wallet>safe-buffer": true,
-        "ganache>secp256k1>elliptic": true
-      }
-    },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethereum-cryptography": {
-      "packages": {
-        "browserify>buffer": true,
-        "ethereumjs-util>ethereum-cryptography>keccak": true,
-        "ethereumjs-util>ethereum-cryptography>secp256k1": true,
-        "ethereumjs-wallet>randombytes": true
-      }
-    },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethjs-util": {
-      "packages": {
-        "browserify>buffer": true,
-        "ethjs>ethjs-util>is-hex-prefixed": true,
-        "ethjs>ethjs-util>strip-hex-prefix": true
-      }
-    },
     "@metamask/eth-json-rpc-middleware": {
       "globals": {
         "URL": true,
-        "btoa": true,
         "console.error": true,
-        "fetch": true,
         "setTimeout": true
       },
       "packages": {
         "@metamask/eth-json-rpc-middleware>@metamask/utils": true,
         "@metamask/eth-json-rpc-middleware>pify": true,
+        "@metamask/eth-json-rpc-middleware>safe-stable-stringify": true,
         "@metamask/eth-keyring-controller>@metamask/eth-sig-util": true,
-        "browserify>browser-resolve": true,
         "eth-rpc-errors": true,
         "json-rpc-engine": true,
-        "json-rpc-engine>@metamask/safe-event-emitter": true,
-        "lavamoat>json-stable-stringify": true,
         "vinyl>clone": true
       }
     },
@@ -1001,6 +964,12 @@
         "semver": true
       }
     },
+    "@metamask/eth-json-rpc-provider": {
+      "packages": {
+        "json-rpc-engine": true,
+        "json-rpc-engine>@metamask/safe-event-emitter": true
+      }
+    },
     "@metamask/eth-keyring-controller": {
       "packages": {
         "@metamask/eth-keyring-controller>@metamask/eth-hd-keyring": true,
@@ -3051,6 +3020,11 @@
         "document.createElement": true
       }
     },
+    "btoa": {
+      "packages": {
+        "browserify>buffer": true
+      }
+    },
     "classnames": {
       "globals": {
         "classNames": "write",
diff --git a/lavamoat/browserify/flask/policy.json b/lavamoat/browserify/flask/policy.json
index ceadebd90..46ce15ef8 100644
--- a/lavamoat/browserify/flask/policy.json
+++ b/lavamoat/browserify/flask/policy.json
@@ -925,8 +925,9 @@
         "setTimeout": true
       },
       "packages": {
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util": true,
+        "@metamask/eth-json-rpc-infura>@metamask/utils": true,
         "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>pify": true,
+        "@metamask/eth-keyring-controller>@metamask/eth-sig-util": true,
         "browserify>browser-resolve": true,
         "eth-rpc-errors": true,
         "json-rpc-engine": true,
@@ -935,57 +936,19 @@
         "vinyl>clone": true
       }
     },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util": {
-      "packages": {
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util": true,
-        "ethereumjs-abi": true
-      }
-    },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util": {
-      "packages": {
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethereum-cryptography": true,
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethjs-util": true,
-        "bn.js": true,
-        "browserify>assert": true,
-        "browserify>buffer": true,
-        "ethereumjs-util>create-hash": true,
-        "ethereumjs-util>rlp": true,
-        "ethereumjs-wallet>safe-buffer": true,
-        "ganache>secp256k1>elliptic": true
-      }
-    },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethereum-cryptography": {
-      "packages": {
-        "browserify>buffer": true,
-        "ethereumjs-util>ethereum-cryptography>keccak": true,
-        "ethereumjs-util>ethereum-cryptography>secp256k1": true,
-        "ethereumjs-wallet>randombytes": true
-      }
-    },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethjs-util": {
-      "packages": {
-        "browserify>buffer": true,
-        "ethjs>ethjs-util>is-hex-prefixed": true,
-        "ethjs>ethjs-util>strip-hex-prefix": true
-      }
-    },
     "@metamask/eth-json-rpc-middleware": {
       "globals": {
         "URL": true,
-        "btoa": true,
         "console.error": true,
-        "fetch": true,
         "setTimeout": true
       },
       "packages": {
         "@metamask/eth-json-rpc-middleware>@metamask/utils": true,
         "@metamask/eth-json-rpc-middleware>pify": true,
+        "@metamask/eth-json-rpc-middleware>safe-stable-stringify": true,
         "@metamask/eth-keyring-controller>@metamask/eth-sig-util": true,
-        "browserify>browser-resolve": true,
         "eth-rpc-errors": true,
         "json-rpc-engine": true,
-        "json-rpc-engine>@metamask/safe-event-emitter": true,
-        "lavamoat>json-stable-stringify": true,
         "vinyl>clone": true
       }
     },
@@ -1001,6 +964,12 @@
         "semver": true
       }
     },
+    "@metamask/eth-json-rpc-provider": {
+      "packages": {
+        "json-rpc-engine": true,
+        "json-rpc-engine>@metamask/safe-event-emitter": true
+      }
+    },
     "@metamask/eth-keyring-controller": {
       "packages": {
         "@metamask/eth-keyring-controller>@metamask/eth-hd-keyring": true,
@@ -3051,6 +3020,11 @@
         "document.createElement": true
       }
     },
+    "btoa": {
+      "packages": {
+        "browserify>buffer": true
+      }
+    },
     "classnames": {
       "globals": {
         "classNames": "write",
diff --git a/lavamoat/browserify/main/policy.json b/lavamoat/browserify/main/policy.json
index 17687c27b..7d933f82d 100644
--- a/lavamoat/browserify/main/policy.json
+++ b/lavamoat/browserify/main/policy.json
@@ -871,8 +871,9 @@
         "setTimeout": true
       },
       "packages": {
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util": true,
+        "@metamask/eth-json-rpc-infura>@metamask/utils": true,
         "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>pify": true,
+        "@metamask/eth-keyring-controller>@metamask/eth-sig-util": true,
         "browserify>browser-resolve": true,
         "eth-rpc-errors": true,
         "json-rpc-engine": true,
@@ -881,57 +882,19 @@
         "vinyl>clone": true
       }
     },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util": {
-      "packages": {
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util": true,
-        "ethereumjs-abi": true
-      }
-    },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util": {
-      "packages": {
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethereum-cryptography": true,
-        "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethjs-util": true,
-        "bn.js": true,
-        "browserify>assert": true,
-        "browserify>buffer": true,
-        "ethereumjs-util>create-hash": true,
-        "ethereumjs-util>rlp": true,
-        "ethereumjs-wallet>safe-buffer": true,
-        "ganache>secp256k1>elliptic": true
-      }
-    },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethereum-cryptography": {
-      "packages": {
-        "browserify>buffer": true,
-        "ethereumjs-util>ethereum-cryptography>keccak": true,
-        "ethereumjs-util>ethereum-cryptography>secp256k1": true,
-        "ethereumjs-wallet>randombytes": true
-      }
-    },
-    "@metamask/eth-json-rpc-infura>eth-json-rpc-middleware>eth-sig-util>ethereumjs-util>ethjs-util": {
-      "packages": {
-        "browserify>buffer": true,
-        "ethjs>ethjs-util>is-hex-prefixed": true,
-        "ethjs>ethjs-util>strip-hex-prefix": true
-      }
-    },
     "@metamask/eth-json-rpc-middleware": {
       "globals": {
         "URL": true,
-        "btoa": true,
         "console.error": true,
-        "fetch": true,
         "setTimeout": true
       },
       "packages": {
         "@metamask/eth-json-rpc-middleware>@metamask/utils": true,
         "@metamask/eth-json-rpc-middleware>pify": true,
+        "@metamask/eth-json-rpc-middleware>safe-stable-stringify": true,
         "@metamask/eth-keyring-controller>@metamask/eth-sig-util": true,
-        "browserify>browser-resolve": true,
         "eth-rpc-errors": true,
         "json-rpc-engine": true,
-        "json-rpc-engine>@metamask/safe-event-emitter": true,
-        "lavamoat>json-stable-stringify": true,
         "vinyl>clone": true
       }
     },
@@ -947,6 +910,12 @@
         "semver": true
       }
     },
+    "@metamask/eth-json-rpc-provider": {
+      "packages": {
+        "json-rpc-engine": true,
+        "json-rpc-engine>@metamask/safe-event-emitter": true
+      }
+    },
     "@metamask/eth-keyring-controller": {
       "packages": {
         "@metamask/eth-keyring-controller>@metamask/eth-hd-keyring": true,
@@ -2610,6 +2579,11 @@
         "document.createElement": true
       }
     },
+    "btoa": {
+      "packages": {
+        "browserify>buffer": true
+      }
+    },
     "classnames": {
       "globals": {
         "classNames": "write",
diff --git a/package.json b/package.json
index 6441e7a86..e76f1c517 100644
--- a/package.json
+++ b/package.json
@@ -232,8 +232,9 @@
     "@metamask/controller-utils": "^1.0.0",
     "@metamask/design-tokens": "^1.9.0",
     "@metamask/desktop": "^0.3.0",
-    "@metamask/eth-json-rpc-infura": "^7.0.0",
-    "@metamask/eth-json-rpc-middleware": "^10.0.0",
+    "@metamask/eth-json-rpc-infura": "^8.0.0",
+    "@metamask/eth-json-rpc-middleware": "^11.0.0",
+    "@metamask/eth-json-rpc-provider": "^1.0.0",
     "@metamask/eth-keyring-controller": "^10.0.1",
     "@metamask/eth-ledger-bridge-keyring": "^0.13.0",
     "@metamask/eth-token-tracker": "^4.0.0",
@@ -285,7 +286,7 @@
     "debounce-stream": "^2.0.0",
     "deep-freeze-strict": "1.1.1",
     "end-of-stream": "^1.4.4",
-    "eth-block-tracker": "^6.0.0",
+    "eth-block-tracker": "^7.0.0",
     "eth-ens-namehash": "^2.0.8",
     "eth-json-rpc-filters": "^6.0.0",
     "eth-lattice-keyring": "^0.12.3",
diff --git a/shared/constants/network.ts b/shared/constants/network.ts
index 16bafb208..077412623 100644
--- a/shared/constants/network.ts
+++ b/shared/constants/network.ts
@@ -1,4 +1,4 @@
-import { capitalize } from 'lodash';
+import { capitalize, pick } from 'lodash';
 /**
  * A type representing any valid value for 'type' for setProviderType and other
  * methods that add or manipulate networks in MetaMask state.
@@ -301,6 +301,13 @@ export const BUILT_IN_NETWORKS = {
   },
 } as const;
 
+export const BUILT_IN_INFURA_NETWORKS = pick(
+  BUILT_IN_NETWORKS,
+  INFURA_PROVIDER_TYPES,
+);
+
+export type BuiltInInfuraNetwork = keyof typeof BUILT_IN_INFURA_NETWORKS;
+
 export const NETWORK_TO_NAME_MAP = {
   [NETWORK_TYPES.MAINNET]: MAINNET_DISPLAY_NAME,
   [NETWORK_TYPES.GOERLI]: GOERLI_DISPLAY_NAME,
diff --git a/types/eth-json-rpc-filters/index.d.ts b/types/eth-json-rpc-filters/index.d.ts
new file mode 100644
index 000000000..f7515bccd
--- /dev/null
+++ b/types/eth-json-rpc-filters/index.d.ts
@@ -0,0 +1 @@
+declare module 'eth-json-rpc-filters';
diff --git a/types/eth-json-rpc-filters/subscriptionManager.d.ts b/types/eth-json-rpc-filters/subscriptionManager.d.ts
new file mode 100644
index 000000000..a79ff8ee4
--- /dev/null
+++ b/types/eth-json-rpc-filters/subscriptionManager.d.ts
@@ -0,0 +1 @@
+declare module 'eth-json-rpc-filters/subscriptionManager';
diff --git a/yarn.lock b/yarn.lock
index 6e98cfa41..6ea77ae8f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3849,35 +3849,43 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@metamask/eth-json-rpc-infura@npm:^7.0.0":
-  version: 7.0.0
-  resolution: "@metamask/eth-json-rpc-infura@npm:7.0.0"
+"@metamask/eth-json-rpc-infura@npm:^8.0.0":
+  version: 8.0.0
+  resolution: "@metamask/eth-json-rpc-infura@npm:8.0.0"
   dependencies:
     "@metamask/utils": ^3.0.1
-    eth-json-rpc-middleware: ^8.1.0
+    eth-json-rpc-middleware: ^9.0.0
     eth-rpc-errors: ^4.0.3
     json-rpc-engine: ^6.1.0
     node-fetch: ^2.6.7
-  checksum: 6230cb289b66db39d27f08ffc72cfb79274e632e4e14eb52ca72d19167d17bbf22c58718d80f801818058631dec0638bcc21ef4b229fa8d53e7f9328be870fc6
+  checksum: e8c3a4b75d4f2bb09f68d7d2ac6b992f264df893921b50a05c35968ee684b7bba90180870eebecfc89b7fbf40d11de2a545ab68f1d511f569ce0a6519c64b0aa
   languageName: node
   linkType: hard
 
-"@metamask/eth-json-rpc-middleware@npm:^10.0.0":
-  version: 10.0.0
-  resolution: "@metamask/eth-json-rpc-middleware@npm:10.0.0"
+"@metamask/eth-json-rpc-middleware@npm:^11.0.0":
+  version: 11.0.0
+  resolution: "@metamask/eth-json-rpc-middleware@npm:11.0.0"
   dependencies:
+    "@metamask/eth-json-rpc-provider": ^1.0.0
     "@metamask/eth-sig-util": ^5.0.0
-    "@metamask/safe-event-emitter": ^2.0.0
     "@metamask/utils": ^3.0.3
-    btoa: ^1.2.1
     clone: ^2.1.1
-    eth-block-tracker: ^5.0.1
+    eth-block-tracker: ^7.0.0
     eth-rpc-errors: ^4.0.3
     json-rpc-engine: ^6.1.0
-    json-stable-stringify: ^1.0.1
-    node-fetch: ^2.6.7
     pify: ^3.0.0
-  checksum: c754b3a39f175698070b4d07076e692d3080738bd25157c3b93114d286c975ee6895d5793b4188ca3d0abbcdef04bfde9e2d4835251a6b725b002d3750bf98de
+    safe-stable-stringify: ^2.3.2
+  checksum: c866d07a199ab480ceeb7ab8df61c08284640b5ac13aee3dd81dae9e0e5575f4a425d95728070ab5402c0c6cd5f9237fb5f4f22dbcdc99fe0b50bb47df561830
+  languageName: node
+  linkType: hard
+
+"@metamask/eth-json-rpc-provider@npm:^1.0.0":
+  version: 1.0.0
+  resolution: "@metamask/eth-json-rpc-provider@npm:1.0.0"
+  dependencies:
+    "@metamask/safe-event-emitter": ^2.0.0
+    json-rpc-engine: ^6.1.0
+  checksum: 27865d84d90030db1a9e5a66bc0b0ae079706fb7be635ec1e9bd4f64771e819aae78f0a026c6629d3a1a2eb277fcd51977315c049c47a70df1dd95d1d4106982
   languageName: node
   linkType: hard
 
@@ -15563,15 +15571,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"eth-block-tracker@npm:^6.0.0":
-  version: 6.0.0
-  resolution: "eth-block-tracker@npm:6.0.0"
+"eth-block-tracker@npm:^7.0.0":
+  version: 7.0.0
+  resolution: "eth-block-tracker@npm:7.0.0"
   dependencies:
+    "@metamask/eth-json-rpc-provider": ^1.0.0
     "@metamask/safe-event-emitter": ^2.0.0
     "@metamask/utils": ^3.0.1
     json-rpc-random-id: ^1.0.1
     pify: ^3.0.0
-  checksum: ad1199b822a9a3ff2673ecc92ca7cda0a37828e5bfd1927fd917a8085a99904fc29d3ef2392068bcfb14e47589df097940ef28f3e9025d1681e56a89b07e284e
+  checksum: b76f6ba022947eec0161e5592bc5386e8f05bff8a2c3e0e10c76bce21bc51900ef1cb153eb8bf31858fb0027e929c6a85a159bdf84aa1e3ef77b24e53e82ba84
   languageName: node
   linkType: hard
 
@@ -15640,21 +15649,22 @@ __metadata:
   languageName: node
   linkType: hard
 
-"eth-json-rpc-middleware@npm:^8.1.0":
-  version: 8.1.0
-  resolution: "eth-json-rpc-middleware@npm:8.1.0"
+"eth-json-rpc-middleware@npm:^9.0.0":
+  version: 9.0.1
+  resolution: "eth-json-rpc-middleware@npm:9.0.1"
   dependencies:
+    "@metamask/eth-sig-util": ^5.0.0
     "@metamask/safe-event-emitter": ^2.0.0
+    "@metamask/utils": ^3.0.3
     btoa: ^1.2.1
     clone: ^2.1.1
     eth-block-tracker: ^5.0.1
     eth-rpc-errors: ^4.0.3
-    eth-sig-util: ^1.4.2
     json-rpc-engine: ^6.1.0
     json-stable-stringify: ^1.0.1
     node-fetch: ^2.6.7
     pify: ^3.0.0
-  checksum: ec10bbc04e3b7696f82db2db528b052c8f6de811c90a12d4eb32f23cbe6ea198d86656afa5b53c52de06b631fef633cf29409bb56c04a16f173da94ee1d89ab6
+  checksum: 9512829a6958df6ef739b891a0c0804b51a140407fd2e3ddaaa6b18d975796646cfcf7f7305a18beb7903db09e0c7a91b06dc5434b6bd2d6cdb85d992d9fd3ab
   languageName: node
   linkType: hard
 
@@ -24268,8 +24278,9 @@ __metadata:
     "@metamask/eslint-config-mocha": ^9.0.0
     "@metamask/eslint-config-nodejs": ^9.0.0
     "@metamask/eslint-config-typescript": ^9.0.1
-    "@metamask/eth-json-rpc-infura": ^7.0.0
-    "@metamask/eth-json-rpc-middleware": ^10.0.0
+    "@metamask/eth-json-rpc-infura": ^8.0.0
+    "@metamask/eth-json-rpc-middleware": ^11.0.0
+    "@metamask/eth-json-rpc-provider": ^1.0.0
     "@metamask/eth-keyring-controller": ^10.0.1
     "@metamask/eth-ledger-bridge-keyring": ^0.13.0
     "@metamask/eth-token-tracker": ^4.0.0
@@ -24402,7 +24413,7 @@ __metadata:
     eslint-plugin-react: ^7.23.1
     eslint-plugin-react-hooks: ^4.2.0
     eslint-plugin-storybook: ^0.6.4
-    eth-block-tracker: ^6.0.0
+    eth-block-tracker: ^7.0.0
     eth-ens-namehash: ^2.0.8
     eth-json-rpc-filters: ^6.0.0
     eth-lattice-keyring: ^0.12.3
@@ -30453,10 +30464,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"safe-stable-stringify@npm:^2.1.0":
-  version: 2.3.1
-  resolution: "safe-stable-stringify@npm:2.3.1"
-  checksum: a0a0bad0294c3e2a9d1bf3cf2b1096dfb83c162d09a5e4891e488cce082120bd69161d2a92aae7fc48255290f17700decae9c89a07fe139794e61b5c8b411377
+"safe-stable-stringify@npm:^2.1.0, safe-stable-stringify@npm:^2.3.2":
+  version: 2.4.2
+  resolution: "safe-stable-stringify@npm:2.4.2"
+  checksum: 0324ba2e40f78cae63e31a02b1c9bdf1b786621f9e8760845608eb9e81aef401944ac2078e5c9c1533cf516aea34d08fa8052ca853637ced84b791caaf1e394e
   languageName: node
   linkType: hard