diff --git a/lib/crypto/secp256k1-native.js b/lib/crypto/secp256k1-native.js
index a7a0b0a1..256a43f3 100644
--- a/lib/crypto/secp256k1-native.js
+++ b/lib/crypto/secp256k1-native.js
@@ -8,8 +8,8 @@
 'use strict';
 
 var assert = require('assert');
-var random = require('./random');
 var secp256k1 = require('secp256k1');
+var random = require('./random');
 
 /**
  * @exports crypto/secp256k1
diff --git a/lib/crypto/secp256k1.js b/lib/crypto/secp256k1.js
index 4f14413b..d00b58ae 100644
--- a/lib/crypto/secp256k1.js
+++ b/lib/crypto/secp256k1.js
@@ -8,7 +8,7 @@
 
 var native;
 
-if (+process.env.BCOIN_USE_ELLIPTIC !== 1) {
+if (+process.env.BCOIN_NO_SECP256K1 !== 1) {
   try {
     native = require('secp256k1/bindings');
   } catch (e) {
diff --git a/lib/db/backends.js b/lib/db/backends.js
index 073a4cb1..fc7bee74 100644
--- a/lib/db/backends.js
+++ b/lib/db/backends.js
@@ -7,11 +7,19 @@
 'use strict';
 
 exports.get = function get(name) {
-  if (name === 'memory')
-    return require('./memdb');
-
   try {
-    return require(name);
+    switch (name) {
+      case 'leveldown':
+        return require('leveldown');
+      case 'rocksdown':
+        return require('rocksdown');
+      case 'lmdb':
+        return require('lmdb');
+      case 'memory':
+        return require('./memdb');
+      default:
+        throw new Error('Database backend "' + name + '" not found.');
+    }
   } catch (e) {
     if (e.code === 'MODULE_NOT_FOUND')
       throw new Error('Database backend "' + name + '" not found.');
diff --git a/lib/http/base.js b/lib/http/base.js
index 5ceb050e..9d394e50 100644
--- a/lib/http/base.js
+++ b/lib/http/base.js
@@ -7,8 +7,6 @@
 
 'use strict';
 
-/* jshint -W069 */
-
 var assert = require('assert');
 var EventEmitter = require('events').EventEmitter;
 var URL = require('url');
@@ -535,7 +533,8 @@ HTTPBase.prototype._initSockets = function _initSockets() {
     return;
 
   this.io = new IOServer({
-    transports: ['websocket']
+    transports: ['websocket'],
+    serveClient: false
   });
 
   this.io.attach(this.server);
diff --git a/lib/http/request.js b/lib/http/request.js
index 1a5f67d4..0d661272 100644
--- a/lib/http/request.js
+++ b/lib/http/request.js
@@ -6,8 +6,6 @@
 
 'use strict';
 
-/* jshint -W069 */
-
 var Stream = require('stream').Stream;
 var assert = require('assert');
 var url, qs, http, https, StringDecoder;
diff --git a/lib/native-browser.js b/lib/native-browser.js
index 7b814419..8f8d0686 100644
--- a/lib/native-browser.js
+++ b/lib/native-browser.js
@@ -1 +1,3 @@
+'use strict';
+
 exports.binding = null;
diff --git a/lib/workers/worker-browser.js b/lib/workers/worker-browser.js
index a1fa25d9..a72642ae 100644
--- a/lib/workers/worker-browser.js
+++ b/lib/workers/worker-browser.js
@@ -7,16 +7,17 @@
 
 'use strict';
 
-/* jshint worker: true */
-
-self.importScripts('/bcoin-master.js');
-
 self.onmessage = function onmessage(event) {
+  var file = '/bcoin-master.js';
   var env;
 
   self.onmessage = function() {};
 
   env = JSON.parse(event.data);
 
+  if (env.BCOIN_MASTER_URL)
+    file = env.BCOIN_MASTER_URL;
+
+  self.importScripts(file);
   self.master.listen(env);
 };
diff --git a/lib/workers/workerpool.js b/lib/workers/workerpool.js
index 4d1949c8..d9a4de79 100644
--- a/lib/workers/workerpool.js
+++ b/lib/workers/workerpool.js
@@ -10,6 +10,7 @@
 var assert = require('assert');
 var EventEmitter = require('events').EventEmitter;
 var os = require('os');
+var path = require('path');
 var cp = require('./cp');
 var util = require('../utils/util');
 var co = require('../utils/co');
@@ -18,6 +19,7 @@ var jobs = require('./jobs');
 var Parser = require('./parser');
 var Framer = require('./framer');
 var packets = require('./packets');
+
 var HAS_WORKERS = typeof global.Worker === 'function';
 var HAS_CP = typeof cp.spawn === 'function';
 
@@ -464,6 +466,7 @@ function Worker(id) {
   this.pending = {};
 
   this.env = {
+    BCOIN_MASTER_URL: process.env.BCOIN_MASTER_URL,
     BCOIN_WORKER_NETWORK: Network.type,
     BCOIN_WORKER_ISTTY: process.stdout
       ? (process.stdout.isTTY ? '1' : '0')
@@ -516,8 +519,12 @@ Worker.prototype._init = function _init() {
 
 Worker.prototype._initWebWorkers = function _initWebWorkers() {
   var self = this;
+  var file = '/bcoin-worker.js';
 
-  this.child = new global.Worker('/bcoin-worker.js');
+  if (process.env.BCOIN_WORKER_URL)
+    file = process.env.BCOIN_WORKER_URL;
+
+  this.child = new global.Worker(file);
 
   this.child.onerror = function onerror(err) {
     self.emit('error', err);
@@ -545,12 +552,15 @@ Worker.prototype._initWebWorkers = function _initWebWorkers() {
 
 Worker.prototype._initChildProcess = function _initChildProcess() {
   var self = this;
-  var file = process.argv[0];
-  var argv = [__dirname + '/worker.js'];
+  var bin = process.argv[0];
+  var file = path.join(__dirname, 'worker.js');
   var env = Object.assign({}, process.env, this.env);
   var options = { stdio: 'pipe', env: env };
 
-  this.child = cp.spawn(file, argv, options);
+  if (process.env.BCOIN_WORKER_FILE)
+    file = process.env.BCOIN_WORKER_FILE;
+
+  this.child = cp.spawn(bin, [file], options);
 
   this.child.unref();
   this.child.stdin.unref();
@@ -911,7 +921,7 @@ exports.disable = function disable() {
 };
 
 exports.set({
-  enabled: HAS_CP && +process.env.BCOIN_WORKERS_ENABLED !== 0,
+  enabled: +process.env.BCOIN_WORKERS_ENABLED !== 0,
   size: +process.env.BCOIN_WORKERS_SIZE || null,
   timeout: +process.env.BCOIN_WORKERS_TIMEOUT || null
 });
diff --git a/package.json b/package.json
index 9d7ab6f2..e76f9705 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,7 @@
     "jsdoc": "^3.4.3",
     "level-js": "^2.2.4",
     "mocha": "^3.4.1",
+    "node-loader": "^0.6.0",
     "webpack": "^3.0.0"
   },
   "main": "./lib/bcoin.js",
@@ -62,8 +63,9 @@
     "lint": "eslint lib/ test/ migrate/ examples/ bench/ bin/cli bin/node bin/spvnode || exit 0",
     "lint-file": "eslint",
     "test": "mocha --reporter spec test/*-test.js",
-    "test-browser": "BCOIN_NO_NATIVE=1 BCOIN_USE_ELLIPTIC=1 mocha --reporter spec test/*-test.js",
+    "test-browser": "BCOIN_NO_NATIVE=1 BCOIN_NO_SECP256K1=1 mocha --reporter spec test/*-test.js",
     "test-file": "mocha --reporter spec",
-    "webpack": "webpack"
+    "webpack": "webpack --config webpack.browser.js",
+    "webpack-node": "webpack --config webpack.node.js"
   }
 }
diff --git a/webpack.config.js b/webpack.browser.js
similarity index 50%
rename from webpack.config.js
rename to webpack.browser.js
index cc7c56cb..c8571011 100644
--- a/webpack.config.js
+++ b/webpack.browser.js
@@ -2,6 +2,8 @@
 
 var webpack = require('webpack')
 var path = require('path');
+var str = JSON.stringify;
+var env = process.env;
 
 module.exports = {
   target: 'web',
@@ -10,7 +12,7 @@ module.exports = {
     'bcoin-master': './lib/workers/master'
   },
   output: {
-    path: path.resolve(__dirname, 'browser'),
+    path: path.join(__dirname, 'browser'),
     filename: '[name].js'
   },
   resolve: {
@@ -20,11 +22,21 @@ module.exports = {
   module: {
     rules: [{
       test: /\.js$/,
-      exclude: path.resolve(__dirname, 'node_modules'),
+      exclude: path.join(__dirname, 'node_modules'),
       loader: 'babel-loader'
     }]
   },
   plugins: [
+    new webpack.DefinePlugin({
+      'process.env.BCOIN_NETWORK':
+        str(env.BCOIN_NETWORK || 'main'),
+      'process.env.BCOIN_WORKERS_ENABLED':
+        str(env.BCOIN_WORKERS_ENABLED || '0'),
+      'process.env.BCOIN_WORKER_URL':
+        str(env.BCOIN_WORKER_URL || '/bcoin-worker.js'),
+      'process.env.BCOIN_MASTER_URL':
+        str(env.BCOIN_MASTER_URL || '/bcoin-master.js')
+    }),
     new webpack.optimize.UglifyJsPlugin({
       compress: {
         warnings: false
diff --git a/webpack.node.js b/webpack.node.js
new file mode 100644
index 00000000..3f71ae87
--- /dev/null
+++ b/webpack.node.js
@@ -0,0 +1,42 @@
+'use strict';
+
+var webpack = require('webpack')
+var path = require('path');
+var str = JSON.stringify;
+var env = process.env;
+
+module.exports = {
+  target: 'node',
+  entry: {
+    'bcoin': './lib/bcoin-browser',
+    'bcoin-worker': './lib/workers/worker'
+  },
+  output: {
+    path: __dirname,
+    filename: '[name].js',
+    libraryTarget: 'commonjs2'
+  },
+  resolve: {
+    modules: ['node_modules'],
+    extensions: ['.node', '.js', '.json'],
+    alias: {
+      'bindings': __dirname + '/webpack/bindings.js'
+    }
+  },
+  node: {
+    __dirname: false,
+    __filename: false
+  },
+  module: {
+    rules: [{
+      test: /\.node$/,
+      loader: 'node-loader'
+    }]
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      'process.env.BCOIN_WORKER_FILE':
+        str(env.BCOIN_WORKER_FILE || "path.join(__dirname, 'bcoin-worker.js')")
+    })
+  ]
+};
diff --git a/webpack/bindings.js b/webpack/bindings.js
new file mode 100644
index 00000000..919b3d23
--- /dev/null
+++ b/webpack/bindings.js
@@ -0,0 +1,13 @@
+'use strict';
+
+module.exports = function bindings(name) {
+  switch (name) {
+    case 'leveldown':
+      return require('leveldown/build/Release/leveldown.node');
+    case 'bcoin-native':
+      return require('bcoin-native/build/Release/bcoin-native.node');
+    case 'secp256k1':
+      return require('secp256k1/build/Release/secp256k1.node');
+  }
+  throw new Error('Cannot find module "' + name + '".');
+};