diff --git a/lib/bcoin/network.js b/lib/bcoin/network.js
index 2bfabdf1..03d81313 100644
--- a/lib/bcoin/network.js
+++ b/lib/bcoin/network.js
@@ -79,6 +79,12 @@ function Network(options) {
 
 Network.primary = null;
 
+Network.main = null;
+Network.testnet = null;
+Network.regtest = null;
+Network.segnet3 = null;
+Network.segnet4 = null;
+
 /**
  * Update the height of the network.
  * @param {Number} height
diff --git a/lib/bcoin/txdb.js b/lib/bcoin/txdb.js
index 63cebd4b..cdb9742b 100644
--- a/lib/bcoin/txdb.js
+++ b/lib/bcoin/txdb.js
@@ -110,6 +110,131 @@ TXDB.prototype._testFilter = function _testFilter(addresses) {
   return false;
 };
 
+// Each address can potentially map to multiple
+// accounts and wallets due to the fact that
+// multisig accounts can have shared addresses.
+// An address could map to 2 accounts on different
+// wallets, or 2 accounts on the same wallet!
+// In summary, bitcoin is hard. Use Bobchain instead.
+//
+// Table:
+// [address-hash] -> [array of Path objects]
+// '1edc6b6858fd12c64b26d8bd1e0e50d44b5bafb9':
+//   [Path {
+//     id: 'WLTZ3f5mMBsgWr1TcLzAdtLD8pkLcmWuBfPt',
+//     name: 'default',
+//     account: 0,
+//     change: 0,
+//     index: 0
+//   }]
+//
+
+// What we need:
+// Table: Above.
+// All: uniqified paths by id/name
+// Outputs: Technically uniqified by ID, but id/name works too.
+
+// What they need (api):
+// outputs: [ - SAME AS OUTPUTS ABOVE!!!
+//   // Sum of value:
+//   { value: 0, id: wallet-id, name: account, index: account }
+// ]
+
+function WalletMap(table) {
+  var i, j, keys, key, paths, path;
+
+  this.inputs = [];
+  this.outputs = [];
+  this.paths = [];
+  this.accounts = null;
+  this.wallets = [];
+  this.table = null;
+
+  keys = Object.keys(table);
+
+  // Flatten paths and push all of
+  // them onto the `paths` array.
+  for (i = 0; i < keys.length; i++) {
+    key = keys[i];
+    paths = table[key];
+    for (j = 0; j < paths.length; j++) {
+      path = paths[j];
+      this.wallets.push(path.id);
+      this.paths.push(path);
+    }
+  }
+
+  this.wallets = utils.uniq(this.wallets);
+  this.accounts = uniq(this.paths);
+  this.table = table;
+}
+
+WalletMap.fromTX = function fromTX(table, tx) {
+  var map = new WalletMap(table);
+  var i, input, output;
+
+  for (i = 0; i < tx.inputs.length; i++) {
+    input = tx.inputs[i];
+    map.inputs.push(MapMember.fromMember(table, input));
+  }
+
+  for (i = 0; i < tx.outputs.length; i++) {
+    output = tx.outputs[i];
+    map.outputs.push(MapMember.fromMember(table, output));
+  }
+
+  return map;
+};
+
+WalletMap.prototype.hasPaths = function hasPaths(address) {
+  var paths;
+
+  if (!address)
+    return false;
+
+  paths = this.table[address];
+
+  return paths && paths.length !== 0;
+};
+
+WalletMap.prototype.getPaths = function getPaths(address) {
+  return this.table[address];
+};
+
+function MapMember() {
+  this.value = 0;
+  this.hash = null;
+  this.wallets = [];
+  this.paths = [];
+}
+
+MapMember.fromMember = function fromMember(table, io) {
+  var hash = io.getHash('hex');
+  var member = new MapMember();
+  var i, paths;
+
+  member.value = io.coin
+    ? io.coin.value
+    : io.value || 0;
+
+  if (!hash)
+    return member;
+
+  paths = table[hash];
+
+  assert(paths);
+
+  member.hash = hash;
+  member.paths = paths;
+
+  for (i = 0; i < paths.length; i++)
+    member.wallets.push(paths[i].id);
+
+  member.wallets = utils.uniq(member.wallets);
+
+  return member;
+};
+
 /**
  * Map a transactions' addresses to wallet IDs.
  * @param {TX} tx
@@ -119,9 +244,7 @@ TXDB.prototype._testFilter = function _testFilter(addresses) {
 TXDB.prototype.getMap = function getMap(tx, callback) {
   var i, input, output, address, addresses, map;
 
-  input = tx.getInputHashes('hex');
-  output = tx.getOutputHashes('hex');
-  addresses = utils.uniq(input.concat(output));
+  addresses = tx.getHashes('hex');
 
   if (!this._testFilter(addresses))
     return callback();
@@ -130,31 +253,12 @@ TXDB.prototype.getMap = function getMap(tx, callback) {
     if (err)
       return callback(err);
 
-    if (table.count === 0)
+    if (!table)
       return callback();
 
-    map = {
-      table: table,
-      input: [],
-      output: [],
-      all: []
-    };
+    map = WalletMap.fromTX(table, tx);
 
-    for (i = 0; i < input.length; i++) {
-      address = input[i];
-      assert(map.table[address]);
-      map.input = map.input.concat(map.table[address]);
-    }
-
-    for (i = 0; i < output.length; i++) {
-      address = output[i];
-      assert(map.table[address]);
-      map.output = map.output.concat(map.table[address]);
-    }
-
-    map.input = uniq(map.input);
-    map.output = uniq(map.output);
-    map.all = uniq(map.input.concat(map.output));
+    utils.print(map);
 
     return callback(null, map);
   });
@@ -168,7 +272,8 @@ TXDB.prototype.getMap = function getMap(tx, callback) {
 
 TXDB.prototype.mapAddresses = function mapAddresses(address, callback) {
   var self = this;
-  var table = { count: 0 };
+  var table = {};
+  var count = 0;
   var i, keys, values;
 
   return utils.forEachSerial(address, function(address, next) {
@@ -190,7 +295,7 @@ TXDB.prototype.mapAddresses = function mapAddresses(address, callback) {
 
       assert(!table[address]);
       table[address] = values;
-      table.count += values.length;
+      count += values.length;
 
       return next();
     });
@@ -198,6 +303,9 @@ TXDB.prototype.mapAddresses = function mapAddresses(address, callback) {
     if (err)
       return callback(err);
 
+    if (count === 0)
+      return callback();
+
     return callback(null, table);
   });
 };
@@ -338,8 +446,8 @@ TXDB.prototype._add = function add(tx, map, callback, force) {
       batch.put('m/' + pad32(tx.ts) + '/' + hash, DUMMY);
     }
 
-    for (i = 0; i < map.all.length; i++) {
-      path = map.all[i];
+    for (i = 0; i < map.accounts.length; i++) {
+      path = map.accounts[i];
       id = path.id + '/' + path.account;
       batch.put('T/' + id + '/' + hash, DUMMY);
       if (tx.ts === 0) {
@@ -362,7 +470,7 @@ TXDB.prototype._add = function add(tx, map, callback, force) {
       address = input.getHash('hex');
 
       // Only add orphans if this input is ours.
-      if (!address || !map.table[address].length)
+      if (!map.hasPaths(address))
         return next();
 
       self.getCoin(prevout.hash, prevout.index, function(err, coin) {
@@ -385,7 +493,7 @@ TXDB.prototype._add = function add(tx, map, callback, force) {
 
           updated = true;
 
-          paths = map.table[address];
+          paths = map.getPaths(address);
 
           for (j = 0; j < paths.length; j++) {
             path = paths[j];
@@ -462,7 +570,7 @@ TXDB.prototype._add = function add(tx, map, callback, force) {
         var coin;
 
         // Do not add unspents for outputs that aren't ours.
-        if (!address || !map.table[address].length)
+        if (!map.hasPaths(address))
           return next();
 
         if (output.script.isUnspendable())
@@ -521,7 +629,7 @@ TXDB.prototype._add = function add(tx, map, callback, force) {
               return next(err);
 
             if (!orphans) {
-              paths = map.table[address];
+              paths = map.getPaths(address);
 
               for (j = 0; j < paths.length; j++) {
                 path = paths[j];
@@ -749,8 +857,8 @@ TXDB.prototype._confirm = function _confirm(tx, map, callback, force) {
     batch.del('m/' + pad32(existing.ps) + '/' + hash);
     batch.put('m/' + pad32(tx.ts) + '/' + hash, DUMMY);
 
-    for (i = 0; i < map.all.length; i++) {
-      path = map.all[i];
+    for (i = 0; i < map.accounts.length; i++) {
+      path = map.accounts[i];
       id = path.id + '/' + path.account;
       batch.del('P/' + id + '/' + hash);
       batch.put('H/' + id + '/' + pad32(tx.height) + '/' + hash, DUMMY);
@@ -762,7 +870,7 @@ TXDB.prototype._confirm = function _confirm(tx, map, callback, force) {
       var address = output.getHash('hex');
 
       // Only update coins if this output is ours.
-      if (!address || !map.table[address].length)
+      if (!map.hasPaths(address))
         return next();
 
       self.getCoin(hash, i, function(err, coin) {
@@ -888,8 +996,8 @@ TXDB.prototype._remove = function remove(tx, map, callback, force) {
     batch.del('m/' + pad32(tx.ts) + '/' + hash);
   }
 
-  for (i = 0; i < map.all.length; i++) {
-    path = map.all[i];
+  for (i = 0; i < map.accounts.length; i++) {
+    path = map.accounts[i];
     id = path.id + '/' + path.account;
     batch.del('T/' + id + '/' + hash);
     if (tx.ts === 0) {
@@ -916,10 +1024,10 @@ TXDB.prototype._remove = function remove(tx, map, callback, force) {
       if (!input.coin)
         continue;
 
-      if (!address || !map.table[address].length)
+      if (!map.hasPaths(address))
         continue;
 
-      paths = map.table[address];
+      paths = map.getPaths(address);
 
       for (j = 0; j < paths.length; j++) {
         path = paths[j];
@@ -937,13 +1045,13 @@ TXDB.prototype._remove = function remove(tx, map, callback, force) {
       key = hash + '/' + i;
       address = output.getHash('hex');
 
-      if (!address || !map.table[address].length)
+      if (!map.hasPaths(address))
         continue;
 
       if (output.script.isUnspendable())
         continue;
 
-      paths = map.table[address];
+      paths = map.getPaths(address);
 
       for (j = 0; j < paths.length; j++) {
         path = paths[j];
@@ -1040,8 +1148,8 @@ TXDB.prototype._unconfirm = function unconfirm(tx, map, callback, force) {
   batch.del('m/' + pad32(ts) + '/' + hash);
   batch.put('m/' + pad32(tx.ps) + '/' + hash, DUMMY);
 
-  for (i = 0; i < map.all.length; i++) {
-    path = map.all[i];
+  for (i = 0; i < map.accounts.length; i++) {
+    path = map.accounts[i];
     id = path.id + '/' + path.account;
     batch.put('P/' + id + '/' + hash, DUMMY);
     batch.del('H/' + id + '/' + pad32(height) + '/' + hash);
diff --git a/lib/bcoin/walletdb.js b/lib/bcoin/walletdb.js
index d27315aa..c8f71119 100644
--- a/lib/bcoin/walletdb.js
+++ b/lib/bcoin/walletdb.js
@@ -125,35 +125,35 @@ WalletDB.prototype._init = function _init() {
 
   this.tx.on('tx', function(tx, map) {
     self.emit('tx', tx, map);
-    map.all.forEach(function(path) {
+    map.accounts.forEach(function(path) {
       self.fire(path.id, 'tx', tx, path.name);
     });
   });
 
   this.tx.on('conflict', function(tx, map) {
     self.emit('conflict', tx, map);
-    map.all.forEach(function(path) {
+    map.accounts.forEach(function(path) {
       self.fire(path.id, 'conflict', tx, path.name);
     });
   });
 
   this.tx.on('confirmed', function(tx, map) {
     self.emit('confirmed', tx, map);
-    map.all.forEach(function(path) {
+    map.accounts.forEach(function(path) {
       self.fire(path.id, 'confirmed', tx, path.name);
     });
   });
 
   this.tx.on('unconfirmed', function(tx, map) {
     self.emit('unconfirmed', tx, map);
-    map.all.forEach(function(path) {
+    map.accounts.forEach(function(path) {
       self.fire(path.id, 'unconfirmed', tx, path.name);
     });
   });
 
   this.tx.on('updated', function(tx, map) {
     self.emit('updated', tx, map);
-    map.all.forEach(function(path) {
+    map.accounts.forEach(function(path) {
       self.fire(path.id, 'updated', tx, path.name);
     });
     self.updateBalances(tx, map, function(err, balances) {
@@ -186,21 +186,28 @@ WalletDB.prototype.updateBalances = function updateBalances(tx, map, callback) {
   var self = this;
   var balances = {};
 
-  utils.forEachSerial(map.output, function(path, next) {
-    if (self.listeners('balance').length === 0
-        && !self.hasListener(path.id, 'balance')) {
-      return next();
-    }
+  utils.forEachSerial(map.outputs, function(output, next) {
+    utils.forEachSerial(output.wallets, function(id, next) {
+      if (self.listeners('balance').length === 0
+          && !self.hasListener(id, 'balance')) {
+        return next();
+      }
 
-    if (balances[path.id] != null)
-      return next();
+      if (balances[id] != null)
+        return next();
 
-    self.getBalance(path.id, function(err, balance) {
+      self.getBalance(id, function(err, balance) {
+        if (err)
+          return next(err);
+
+        balances[id] = balance;
+
+        next();
+      });
+    }, function(err) {
       if (err)
         return next(err);
 
-      balances[path.id] = balance;
-
       next();
     });
   }, function(err) {
@@ -213,12 +220,19 @@ WalletDB.prototype.updateBalances = function updateBalances(tx, map, callback) {
 
 WalletDB.prototype.syncOutputs = function syncOutputs(tx, map, callback) {
   var self = this;
-  utils.forEachSerial(map.output, function(path, next) {
-    self.syncOutputDepth(path.id, tx, function(err, receive, change) {
+  utils.forEachSerial(map.outputs, function(output, next) {
+    utils.forEachSerial(output.wallets, function(id, next) {
+      self.syncOutputDepth(id, tx, function(err, receive, change) {
+        if (err)
+          return next(err);
+        self.fire(id, 'address', receive, change);
+        self.emit('address', receive, change, map);
+        next();
+      });
+    }, function(err) {
       if (err)
         return next(err);
-      self.fire(path.id, 'address', receive, change, path.name);
-      self.emit('address', receive, change, map);
+
       next();
     });
   }, callback);
@@ -702,7 +716,7 @@ WalletDB.prototype.saveAddress = function saveAddress(id, addresses, callback) {
       if (paths[id])
         return next();
 
-      paths[id] = hash[1];
+      paths[id] = Path.fromKeyRing(id, hash[1]);
 
       batch.put('W/' + hash[0], serializePaths(paths));
 
@@ -1143,6 +1157,75 @@ WalletDB.prototype.getRedeem = function getRedeem(id, hash, callback) {
   });
 };
 
+/**
+ * Path
+ * @constructor
+ */
+
+function Path() {
+  this.id = null;
+  this.name = null;
+  this.account = 0;
+  this.change = 0;
+  this.index = 0;
+  this.hash = null;
+}
+
+Path.prototype.fromRaw = function fromRaw(data) {
+  var p = new BufferReader(data);
+  this.id = p.readVarString('utf8');
+  this.name = p.readVarString('utf8');
+  this.account = p.readU32();
+  this.change = p.readU32();
+  this.index = p.readU32();
+  return this;
+};
+
+Path.fromRaw = function fromRaw(data) {
+  return new Path().fromRaw(data);
+};
+
+Path.prototype.fromKeyRing = function fromKeyRing(id, address) {
+  this.id = id;
+  this.name = address.name;
+  this.account = address.account;
+  this.change = address.change;
+  this.index = address.index;
+  return this;
+};
+
+Path.fromKeyRing = function fromKeyRing(id, address) {
+  return new Path().fromKeyRing(id, address);
+};
+
+Path.prototype.toPath = function() {
+  return 'm/' + this.account
+    + '\'/' + this.change
+    + '/' + this.index;
+};
+
+Path.prototype.inspect = function() {
+  return '<Path: ' + this.id
+    + '/' + this.name
+    + ': ' + this.toPath()
+    + '>';
+};
+
+Path.prototype.toRaw = function toRaw(writer) {
+  var p = new BufferWriter(writer);
+
+  p.writeVarString(this.id, 'utf8');
+  p.writeVarString(this.name, 'utf8');
+  p.writeU32(this.account);
+  p.writeU32(this.change);
+  p.writeU32(this.index);
+
+  if (!writer)
+    p = p.render();
+
+  return p;
+};
+
 /*
  * Helpers
  */
@@ -1150,17 +1233,11 @@ WalletDB.prototype.getRedeem = function getRedeem(id, hash, callback) {
 function parsePaths(data) {
   var p = new BufferReader(data);
   var out = {};
-  var id;
+  var path;
 
   while (p.left()) {
-    id = p.readVarString('utf8');
-    out[id] = {
-      id: id,
-      name: p.readVarString('utf8'),
-      account: p.readU32(),
-      change: p.readU32(),
-      index: p.readU32()
-    };
+    path = Path.fromRaw(p);
+    out[path.id] = path;
   }
 
   return out;
@@ -1174,11 +1251,7 @@ function serializePaths(out) {
   for (i = 0; i < keys.length; i++) {
     id = keys[i];
     path = out[id];
-    p.writeVarString(id, 'utf8');
-    p.writeVarString(path.name, 'utf8');
-    p.writeU32(path.account);
-    p.writeU32(path.change);
-    p.writeU32(path.index);
+    path.toRaw(p);
   }
 
   return p.render();
diff --git a/test/wallet-test.js b/test/wallet-test.js
index 51dfe1e2..9d5b4391 100644
--- a/test/wallet-test.js
+++ b/test/wallet-test.js
@@ -433,8 +433,10 @@ describe('Wallet', function() {
                 var t3 = bcoin.mtx().addOutput(w2, 15000);
                 w1.fill(t3, { rate: 10000 }, function(err) {
                   assert(err);
-                  assert(balance.total === 5460);
-                  cb();
+                  setTimeout(function() {
+                    assert(balance.total === 5460);
+                    cb();
+                  }, 100);
                 });
               });
             });