diff --git a/lib/bcoin/env.js b/lib/bcoin/env.js
index 918253dd..f4f52a02 100644
--- a/lib/bcoin/env.js
+++ b/lib/bcoin/env.js
@@ -146,6 +146,7 @@ function Environment(options) {
   this.script = require('./script');
   this.stack = this.script.Stack;
   this.witness = this.script.Witness;
+  this.address = require('./address');
   this.input = require('./input');
   this.output = require('./output');
   this.coin = require('./coin');
@@ -169,7 +170,7 @@ function Environment(options) {
   this.mempoolentry = this.mempool.MempoolEntry;
   this.keypair = require('./keypair');
   this.hd = require('./hd');
-  this.address = require('./address');
+  this.keyring = require('./keyring');
   this.wallet = require('./wallet');
   this.walletdb = require('./walletdb');
   this.provider = this.walletdb.Provider;
diff --git a/lib/bcoin/address.js b/lib/bcoin/keyring.js
similarity index 76%
rename from lib/bcoin/address.js
rename to lib/bcoin/keyring.js
index 6ceeafa1..1a90e162 100644
--- a/lib/bcoin/address.js
+++ b/lib/bcoin/keyring.js
@@ -14,7 +14,7 @@ var BufferReader = require('./reader');
 
 /**
  * Represents a key ring which amounts to an address. Used for {@link Wallet}.
- * @exports Address
+ * @exports KeyRing
  * @constructor
  * @param {Object} options
  * @param {String?} options.label
@@ -30,13 +30,13 @@ var BufferReader = require('./reader');
  * @param {Boolean?} options.witness - Whether witness programs are enabled.
  */
 
-function Address(options) {
+function KeyRing(options) {
   var i;
 
-  if (!(this instanceof Address))
-    return new Address(options);
+  if (!(this instanceof KeyRing))
+    return new KeyRing(options);
 
-  if (options instanceof Address)
+  if (options instanceof KeyRing)
     return options;
 
   if (!options)
@@ -75,12 +75,12 @@ function Address(options) {
 }
 
 /**
- * Test an object to see if it is an Address.
+ * Test an object to see if it is an KeyRing.
  * @param {Object} obj
  * @returns {Boolean}
  */
 
-Address.isAddress = function isAddress(obj) {
+KeyRing.isKeyRing = function isKeyRing(obj) {
   return obj
     && Array.isArray(obj.keys)
     && typeof obj._getAddressMap === 'function';
@@ -91,7 +91,7 @@ Address.isAddress = function isAddress(obj) {
  * @returns {Base58Address}
  */
 
-Address.prototype.getID = function getID() {
+KeyRing.prototype.getID = function getID() {
   return this.getKeyAddress();
 };
 
@@ -100,7 +100,7 @@ Address.prototype.getID = function getID() {
  * @param {Buffer} key
  */
 
-Address.prototype.addKey = function addKey(key) {
+KeyRing.prototype.addKey = function addKey(key) {
   if (utils.indexOf(this.keys, key) !== -1)
     return;
 
@@ -114,7 +114,7 @@ Address.prototype.addKey = function addKey(key) {
  * @param {Buffer} key
  */
 
-Address.prototype.removeKey = function removeKey(key) {
+KeyRing.prototype.removeKey = function removeKey(key) {
   var index = utils.indexOf(this.keys, key);
 
   if (index === -1)
@@ -131,7 +131,7 @@ Address.prototype.removeKey = function removeKey(key) {
  * @returns {Buffer}
  */
 
-Address.prototype.getPrivateKey = function getPrivateKey(enc) {
+KeyRing.prototype.getPrivateKey = function getPrivateKey(enc) {
   return this.key.getPrivateKey(enc);
 };
 
@@ -141,7 +141,7 @@ Address.prototype.getPrivateKey = function getPrivateKey(enc) {
  * @returns {Buffer}
  */
 
-Address.prototype.getPublicKey = function getPublicKey(enc) {
+KeyRing.prototype.getPublicKey = function getPublicKey(enc) {
   return this.key.getPublicKey(enc);
 };
 
@@ -150,7 +150,7 @@ Address.prototype.getPublicKey = function getPublicKey(enc) {
  * @returns {Script}
  */
 
-Address.prototype.getScript = function getScript() {
+KeyRing.prototype.getScript = function getScript() {
   var redeem;
 
   if (this.type !== 'multisig')
@@ -175,7 +175,7 @@ Address.prototype.getScript = function getScript() {
  * @returns {Buffer}
  */
 
-Address.prototype.getProgram = function getProgram() {
+KeyRing.prototype.getProgram = function getProgram() {
   var hash, program;
 
   if (!this.witness)
@@ -183,10 +183,10 @@ Address.prototype.getProgram = function getProgram() {
 
   if (!this._program) {
     if (this.type === 'pubkeyhash') {
-      hash = Address.hash160(this.getPublicKey());
+      hash = KeyRing.hash160(this.getPublicKey());
       program = bcoin.script.createWitnessProgram(0, hash);
     } else if (this.type === 'multisig') {
-      hash = Address.sha256(this.getScript().encode());
+      hash = KeyRing.sha256(this.getScript().encode());
       program = bcoin.script.createWitnessProgram(0, hash);
     } else {
       assert(false, 'Unknown address type.');
@@ -204,12 +204,12 @@ Address.prototype.getProgram = function getProgram() {
  * @returns {Buffer}
  */
 
-Address.prototype.getProgramHash = function getProgramHash(enc) {
+KeyRing.prototype.getProgramHash = function getProgramHash(enc) {
   if (!this.witness)
     return;
 
   if (!this._programHash)
-    this._programHash = Address.hash160(this.getProgram().encode());
+    this._programHash = KeyRing.hash160(this.getProgram().encode());
 
   return enc === 'hex'
     ? this._programHash.toString('hex')
@@ -221,7 +221,7 @@ Address.prototype.getProgramHash = function getProgramHash(enc) {
  * @returns {Base58Address}
  */
 
-Address.prototype.getProgramAddress = function getProgramAddress() {
+KeyRing.prototype.getProgramAddress = function getProgramAddress() {
   var hash, address;
 
   if (!this.witness)
@@ -242,7 +242,7 @@ Address.prototype.getProgramAddress = function getProgramAddress() {
  * @returns {Buffer}
  */
 
-Address.prototype.getScriptHash = function getScriptHash(enc) {
+KeyRing.prototype.getScriptHash = function getScriptHash(enc) {
   if (this.witness)
     return this.getScriptHash256(enc);
   return this.getScriptHash160(enc);
@@ -254,12 +254,12 @@ Address.prototype.getScriptHash = function getScriptHash(enc) {
  * @returns {Buffer}
  */
 
-Address.prototype.getScriptHash160 = function getScriptHash256(enc) {
+KeyRing.prototype.getScriptHash160 = function getScriptHash256(enc) {
   if (this.type !== 'multisig')
     return;
 
   if (!this._scriptHash160)
-    this._scriptHash160 = Address.hash160(this.getScript().encode());
+    this._scriptHash160 = KeyRing.hash160(this.getScript().encode());
 
   return enc === 'hex'
     ? this._scriptHash160.toString('hex')
@@ -272,12 +272,12 @@ Address.prototype.getScriptHash160 = function getScriptHash256(enc) {
  * @returns {Buffer}
  */
 
-Address.prototype.getScriptHash256 = function getScriptHash256(enc) {
+KeyRing.prototype.getScriptHash256 = function getScriptHash256(enc) {
   if (this.type !== 'multisig')
     return;
 
   if (!this._scriptHash256)
-    this._scriptHash256 = Address.sha256(this.getScript().encode());
+    this._scriptHash256 = KeyRing.sha256(this.getScript().encode());
 
   return enc === 'hex'
     ? this._scriptHash256.toString('hex')
@@ -289,7 +289,7 @@ Address.prototype.getScriptHash256 = function getScriptHash256(enc) {
  * @returns {Base58Address}
  */
 
-Address.prototype.getScriptAddress = function getScriptAddress() {
+KeyRing.prototype.getScriptAddress = function getScriptAddress() {
   var hash, address;
 
   if (this.type !== 'multisig')
@@ -315,9 +315,9 @@ Address.prototype.getScriptAddress = function getScriptAddress() {
  * @returns {Buffer}
  */
 
-Address.prototype.getKeyHash = function getKeyHash(enc) {
+KeyRing.prototype.getKeyHash = function getKeyHash(enc) {
   if (!this._hash)
-    this._hash = Address.hash160(this.getPublicKey());
+    this._hash = KeyRing.hash160(this.getPublicKey());
 
   return enc === 'hex'
     ? this._hash.toString('hex')
@@ -329,7 +329,7 @@ Address.prototype.getKeyHash = function getKeyHash(enc) {
  * @returns {Base58Address}
  */
 
-Address.prototype.getKeyAddress = function getKeyAddress() {
+KeyRing.prototype.getKeyAddress = function getKeyAddress() {
   var hash, address;
 
   if (!this._address) {
@@ -350,7 +350,7 @@ Address.prototype.getKeyAddress = function getKeyAddress() {
  * @returns {Buffer}
  */
 
-Address.prototype.getHash = function getHash(enc) {
+KeyRing.prototype.getHash = function getHash(enc) {
   if (this.type === 'multisig')
     return this.getScriptHash(enc);
   return this.getKeyHash(enc);
@@ -361,13 +361,13 @@ Address.prototype.getHash = function getHash(enc) {
  * @returns {Base58Address}
  */
 
-Address.prototype.getAddress = function getAddress() {
+KeyRing.prototype.getAddress = function getAddress() {
   if (this.type === 'multisig')
     return this.getScriptAddress();
   return this.getKeyAddress();
 };
 
-Address.prototype._getAddressMap = function _getAddressMap() {
+KeyRing.prototype._getAddressMap = function _getAddressMap() {
   if (!this.addressMap) {
     this.addressMap = {};
 
@@ -390,7 +390,7 @@ Address.prototype._getAddressMap = function _getAddressMap() {
  * @returns {Boolean}
  */
 
-Address.prototype.ownInput = function ownInput(tx, index) {
+KeyRing.prototype.ownInput = function ownInput(tx, index) {
   var addressMap = this._getAddressMap();
 
   if (tx instanceof bcoin.input)
@@ -406,7 +406,7 @@ Address.prototype.ownInput = function ownInput(tx, index) {
  * @returns {Boolean}
  */
 
-Address.prototype.ownOutput = function ownOutput(tx, index) {
+KeyRing.prototype.ownOutput = function ownOutput(tx, index) {
   var addressMap = this._getAddressMap();
 
   if (tx instanceof bcoin.output)
@@ -425,7 +425,7 @@ Address.prototype.ownOutput = function ownOutput(tx, index) {
  * @returns {Number} Total number of scripts built.
  */
 
-Address.prototype.scriptInputs = function scriptInputs(tx, index) {
+KeyRing.prototype.scriptInputs = function scriptInputs(tx, index) {
   var total = 0;
   var i, input;
 
@@ -461,7 +461,7 @@ Address.prototype.scriptInputs = function scriptInputs(tx, index) {
  * @returns {Number} Total number of inputs signed.
  */
 
-Address.prototype.signInputs = function signInputs(tx, index, type) {
+KeyRing.prototype.signInputs = function signInputs(tx, index, type) {
   var total = 0;
   var i, input;
 
@@ -500,7 +500,7 @@ Address.prototype.signInputs = function signInputs(tx, index, type) {
  * @returns {Number} Total number of inputs scripts built and signed.
  */
 
-Address.prototype.sign = function sign(tx, index, type) {
+KeyRing.prototype.sign = function sign(tx, index, type) {
   var total = 0;
   var i, input;
 
@@ -529,59 +529,59 @@ Address.prototype.sign = function sign(tx, index, type) {
   return total;
 };
 
-Address.prototype.__defineGetter__('privateKey', function() {
+KeyRing.prototype.__defineGetter__('privateKey', function() {
   return this.getPrivateKey();
 });
 
-Address.prototype.__defineGetter__('publicKey', function() {
+KeyRing.prototype.__defineGetter__('publicKey', function() {
   return this.getPublicKey();
 });
 
-Address.prototype.__defineGetter__('script', function() {
+KeyRing.prototype.__defineGetter__('script', function() {
   return this.getScript();
 });
 
-Address.prototype.__defineGetter__('scriptHash', function() {
+KeyRing.prototype.__defineGetter__('scriptHash', function() {
   return this.getScriptHash();
 });
 
-Address.prototype.__defineGetter__('scriptHash160', function() {
+KeyRing.prototype.__defineGetter__('scriptHash160', function() {
   return this.getScriptHash160();
 });
 
-Address.prototype.__defineGetter__('scriptHash256', function() {
+KeyRing.prototype.__defineGetter__('scriptHash256', function() {
   return this.getScriptHash256();
 });
 
-Address.prototype.__defineGetter__('scriptAddress', function() {
+KeyRing.prototype.__defineGetter__('scriptAddress', function() {
   return this.getScriptAddress();
 });
 
-Address.prototype.__defineGetter__('program', function() {
+KeyRing.prototype.__defineGetter__('program', function() {
   return this.getProgram();
 });
 
-Address.prototype.__defineGetter__('programHash', function() {
+KeyRing.prototype.__defineGetter__('programHash', function() {
   return this.getProgramHash();
 });
 
-Address.prototype.__defineGetter__('programAddress', function() {
+KeyRing.prototype.__defineGetter__('programAddress', function() {
   return this.getProgramAddress();
 });
 
-Address.prototype.__defineGetter__('keyHash', function() {
+KeyRing.prototype.__defineGetter__('keyHash', function() {
   return this.getKeyHash();
 });
 
-Address.prototype.__defineGetter__('keyAddress', function() {
+KeyRing.prototype.__defineGetter__('keyAddress', function() {
   return this.getKeyAddress();
 });
 
-Address.prototype.__defineGetter__('hash', function() {
+KeyRing.prototype.__defineGetter__('hash', function() {
   return this.getHash();
 });
 
-Address.prototype.__defineGetter__('address', function() {
+KeyRing.prototype.__defineGetter__('address', function() {
   return this.getAddress();
 });
 
@@ -591,7 +591,7 @@ Address.prototype.__defineGetter__('address', function() {
  * @returns {Buffer}
  */
 
-Address.hash160 = function hash160(key) {
+KeyRing.hash160 = function hash160(key) {
   return utils.ripesha(key);
 };
 
@@ -600,7 +600,7 @@ Address.hash160 = function hash160(key) {
  * @returns {Buffer}
  */
 
-Address.sha256 = function sha256(key) {
+KeyRing.sha256 = function sha256(key) {
   return utils.sha256(key);
 };
 
@@ -613,7 +613,7 @@ Address.sha256 = function sha256(key) {
  * @throws Error on bad hash/prefix.
  */
 
-Address.compileHash = function compileHash(hash, type, version, network) {
+KeyRing.compileHash = function compileHash(hash, type, version, network) {
   return bcoin.script.Address.toBase58(hash, type, version, network);
 };
 
@@ -625,13 +625,13 @@ Address.compileHash = function compileHash(hash, type, version, network) {
  * @returns {Base58Address}
  */
 
-Address.compileData = function compileData(data, type, version, network) {
+KeyRing.compileData = function compileData(data, type, version, network) {
   if (type === 'witnessscripthash')
-    data = Address.sha256(data);
+    data = KeyRing.sha256(data);
   else
-    data = Address.hash160(data);
+    data = KeyRing.hash160(data);
 
-  return Address.compileHash(data, type, version, network);
+  return KeyRing.compileHash(data, type, version, network);
 };
 
 /**
@@ -641,7 +641,7 @@ Address.compileData = function compileData(data, type, version, network) {
  * @throws Parse error
  */
 
-Address.parse = function parse(address) {
+KeyRing.parse = function parse(address) {
   return bcoin.script.Address.parseBase58(address);
 };
 
@@ -652,21 +652,21 @@ Address.parse = function parse(address) {
  * @returns {Boolean}
  */
 
-Address.validate = function validate(address, type) {
+KeyRing.validate = function validate(address, type) {
   return bcoin.script.Address.validate(address, type);
 };
 
-Address.prototype.compileHash = function compileHash(hash, type, version) {
-  return Address.compileHash(hash, type, version, this.network);
+KeyRing.prototype.compileHash = function compileHash(hash, type, version) {
+  return KeyRing.compileHash(hash, type, version, this.network);
 };
 
 /**
- * Convert an Address to a more json-friendly object.
- * @param {String?} passphrase - Address passphrase
+ * Convert an KeyRing to a more json-friendly object.
+ * @param {String?} passphrase - KeyRing passphrase
  * @returns {Object}
  */
 
-Address.prototype.toJSON = function toJSON(passphrase) {
+KeyRing.prototype.toJSON = function toJSON(passphrase) {
   var key = this.key;
 
   if (!(key instanceof bcoin.keypair))
@@ -692,19 +692,19 @@ Address.prototype.toJSON = function toJSON(passphrase) {
 };
 
 /**
- * Instantiate an Address from a jsonified transaction object.
+ * Instantiate an KeyRing from a jsonified transaction object.
  * @param {Object} json - The jsonified transaction object.
- * @param {String?} passphrase - Address passphrase
- * @returns {Address}
+ * @param {String?} passphrase - KeyRing passphrase
+ * @returns {KeyRing}
  */
 
-Address.fromJSON = function fromJSON(json, passphrase) {
+KeyRing.fromJSON = function fromJSON(json, passphrase) {
   var w;
 
   assert.equal(json.v, 1);
   assert.equal(json.name, 'address');
 
-  w = new Address({
+  w = new KeyRing({
     label: json.label,
     change: json.change,
     derived: json.derived,
@@ -721,4 +721,4 @@ Address.fromJSON = function fromJSON(json, passphrase) {
   return w;
 };
 
-module.exports = Address;
+module.exports = KeyRing;
diff --git a/lib/bcoin/mtx.js b/lib/bcoin/mtx.js
index 90d130b8..219c2392 100644
--- a/lib/bcoin/mtx.js
+++ b/lib/bcoin/mtx.js
@@ -781,7 +781,7 @@ MTX.prototype.addOutput = function addOutput(address, value) {
 
   assert(this.ts === 0, 'Cannot modify a confirmed tx.');
 
-  if ((address instanceof bcoin.wallet) || (address instanceof bcoin.address))
+  if ((address instanceof bcoin.wallet) || (address instanceof bcoin.keyring))
     address = address.getAddress();
 
   if (typeof address === 'string') {
diff --git a/lib/bcoin/pool.js b/lib/bcoin/pool.js
index b97937de..758f26cc 100644
--- a/lib/bcoin/pool.js
+++ b/lib/bcoin/pool.js
@@ -1392,7 +1392,7 @@ Pool.prototype.removeWallet = function removeWallet(wallet) {
  */
 
 Pool.prototype.watchAddress = function watchAddress(address) {
-  var hash = bcoin.address.parse(address).hash;
+  var hash = bcoin.script.Address.getHash(address);
   this.watch(hash);
 };
 
@@ -1402,7 +1402,7 @@ Pool.prototype.watchAddress = function watchAddress(address) {
  */
 
 Pool.prototype.unwatchAddress = function unwatchAddress(address) {
-  var hash = bcoin.address.parse(address).hash;
+  var hash = bcoin.script.Address.getHash(address);
   this.unwatch(hash);
 };
 
diff --git a/lib/bcoin/script.js b/lib/bcoin/script.js
index 20cd629e..1ad0d0d1 100644
--- a/lib/bcoin/script.js
+++ b/lib/bcoin/script.js
@@ -2696,7 +2696,7 @@ Script.createOutputScript = function createOutputScript(options) {
     options = {};
 
   if (options.address) {
-    address = bcoin.address.parse(options.address);
+    address = bcoin.script.Address.parseBase58(options.address);
 
     if (address.type === 'pubkeyhash')
       script = Script.createPubkeyhash(address.hash);
diff --git a/lib/bcoin/wallet.js b/lib/bcoin/wallet.js
index 9b808181..24c7e011 100644
--- a/lib/bcoin/wallet.js
+++ b/lib/bcoin/wallet.js
@@ -373,7 +373,7 @@ Wallet.prototype.getID = function getID() {
 
 /**
  * Create a new receiving address (increments receiveDepth).
- * @returns {Address}
+ * @returns {KeyRing}
  */
 
 Wallet.prototype.createReceive = function createReceive() {
@@ -382,7 +382,7 @@ Wallet.prototype.createReceive = function createReceive() {
 
 /**
  * Create a new change address (increments receiveDepth).
- * @returns {Address}
+ * @returns {KeyRing}
  */
 
 Wallet.prototype.createChange = function createChange() {
@@ -392,7 +392,7 @@ Wallet.prototype.createChange = function createChange() {
 /**
  * Create a new address (increments depth).
  * @param {Boolean} change
- * @returns {Address}
+ * @returns {KeyRing}
  */
 
 Wallet.prototype.createAddress = function createAddress(change) {
@@ -424,7 +424,7 @@ Wallet.prototype.createAddress = function createAddress(change) {
 /**
  * Derive a receiving address at `index`. Do not increment depth.
  * @param {Number} index
- * @returns {Address}
+ * @returns {KeyRing}
  */
 
 Wallet.prototype.deriveReceive = function deriveReceive(index) {
@@ -437,7 +437,7 @@ Wallet.prototype.deriveReceive = function deriveReceive(index) {
 /**
  * Derive a change address at `index`. Do not increment depth.
  * @param {Number} index
- * @returns {Address}
+ * @returns {KeyRing}
  */
 
 Wallet.prototype.deriveChange = function deriveChange(index) {
@@ -451,7 +451,7 @@ Wallet.prototype.deriveChange = function deriveChange(index) {
  * Derive an address at `index`. Do not increment depth.
  * @param {Boolean} change - Whether the address on the change branch.
  * @param {Number} index
- * @returns {Address}
+ * @returns {KeyRing}
  */
 
 Wallet.prototype.deriveAddress = function deriveAddress(change, index) {
@@ -506,7 +506,7 @@ Wallet.prototype.deriveAddress = function deriveAddress(change, index) {
     options.keys.push(key.publicKey);
   }, this);
 
-  address = new bcoin.address(options);
+  address = new bcoin.keyring(options);
 
   this.addressMap[address.getKeyHash('hex')] = data.path;
 
@@ -830,7 +830,7 @@ Wallet.prototype.createTX = function createTX(options, outputs, callback) {
  * Derive an address for a single transaction input.
  * @param {TX} tx
  * @param {Number} index
- * @returns {Address}
+ * @returns {KeyRing}
  */
 
 Wallet.prototype.deriveInput = function deriveInput(tx, index) {
@@ -841,7 +841,7 @@ Wallet.prototype.deriveInput = function deriveInput(tx, index) {
  * Derive necessary addresses for signing a transaction.
  * @param {TX|Input} tx
  * @param {Number?} index - Input index.
- * @returns {Address[]}
+ * @returns {KeyRing[]}
  */
 
 Wallet.prototype.deriveInputs = function deriveInputs(tx, index) {