diff --git a/lib/bcoin/address.js b/lib/bcoin/address.js
index 25ad6d4a..5381279b 100644
--- a/lib/bcoin/address.js
+++ b/lib/bcoin/address.js
@@ -449,10 +449,15 @@ Address.validate = function validate(address, type) {
  * @returns {Hash|null}
  */
 
-Address.getHash = function getHash(data) {
+Address.getHash = function getHash(data, enc) {
   var hash;
 
-  if (data instanceof Address) {
+  if (utils.isHex(data))
+    return enc === 'hex' ? data : new Buffer(data, 'hex');
+
+  if (Buffer.isBuffer(data)) {
+    hash = data;
+  } else if (data instanceof Address) {
     hash = data.hash;
   } else {
     try {
@@ -462,7 +467,9 @@ Address.getHash = function getHash(data) {
     }
   }
 
-  return hash.toString('hex');
+  return enc === 'hex'
+    ? hash.toString('hex')
+    : hash;
 };
 
 /*
diff --git a/lib/bcoin/input.js b/lib/bcoin/input.js
index 861e2edf..fafa8b99 100644
--- a/lib/bcoin/input.js
+++ b/lib/bcoin/input.js
@@ -178,14 +178,15 @@ Input.prototype.getAddress = function getAddress() {
 
 /**
  * Get the address hash.
+ * @param {String?} enc
  * @returns {Hash} hash
  */
 
-Input.prototype.getHash = function getHash() {
+Input.prototype.getHash = function getHash(enc) {
   var address = this.getAddress();
   if (!address)
     return;
-  return address.getHash('hex');
+  return address.getHash(enc);
 };
 
 /**
diff --git a/lib/bcoin/mempool.js b/lib/bcoin/mempool.js
index 1a4cbe01..d2062cae 100644
--- a/lib/bcoin/mempool.js
+++ b/lib/bcoin/mempool.js
@@ -469,7 +469,7 @@ Mempool.prototype.getCoinsByAddress = function getCoinsByAddress(addresses, call
   addresses = utils.uniq(addresses);
 
   utils.forEachSerial(addresses, function(address, next) {
-    address = bcoin.address.getHash(address);
+    address = bcoin.address.getHash(address, 'hex');
 
     if (!address)
       return next();
@@ -513,7 +513,7 @@ Mempool.prototype.getTXByAddress = function getTXByAddress(addresses, callback)
   addresses = utils.uniq(addresses);
 
   utils.forEachSerial(addresses, function(address, next) {
-    address = bcoin.address.getHash(address);
+    address = bcoin.address.getHash(address, 'hex');
 
     if (!address)
       return next();
@@ -1594,7 +1594,7 @@ Mempool.prototype._addUnchecked = function _addUnchecked(entry, callback) {
   batch.put('m/' + pad32(entry.ts) + '/' + hash, DUMMY);
 
   if (this.options.indexAddress) {
-    addresses = tx.getHashes();
+    addresses = tx.getHashes('hex');
     for (i = 0; i < addresses.length; i++)
       batch.put('T/' + addresses[i] + '/' + hash, DUMMY);
   }
@@ -1612,7 +1612,7 @@ Mempool.prototype._addUnchecked = function _addUnchecked(entry, callback) {
     batch.put('s/' + key, tx.hash());
 
     if (this.options.indexAddress) {
-      address = input.getHash();
+      address = input.getHash('hex');
       if (address)
         batch.del('C/' + address + '/' + key);
     }
@@ -1630,7 +1630,7 @@ Mempool.prototype._addUnchecked = function _addUnchecked(entry, callback) {
     batch.put('c/' + key, coin);
 
     if (this.options.indexAddress) {
-      address = output.getHash();
+      address = output.getHash('hex');
       if (address)
         batch.put('C/' + address + '/' + key, DUMMY);
     }
@@ -1668,7 +1668,7 @@ Mempool.prototype._removeUnchecked = function _removeUnchecked(hash, limit, call
     batch.del('m/' + pad32(entry.ts) + '/' + hash);
 
     if (self.options.indexAddress) {
-      addresses = tx.getHashes();
+      addresses = tx.getHashes('hex');
       for (i = 0; i < addresses.length; i++)
         batch.del('T/' + addresses[i] + '/' + hash);
     }
@@ -1692,14 +1692,14 @@ Mempool.prototype._removeUnchecked = function _removeUnchecked(hash, limit, call
         if (result) {
           batch.put('c/' + key, input.coin.toRaw());
           if (self.options.indexAddress) {
-            address = input.getHash();
+            address = input.getHash('hex');
             if (address)
               batch.put('C/' + address + '/' + key, DUMMY);
           }
         } else {
           batch.del('c/' + key);
           if (self.options.indexAddress) {
-            address = input.getHash();
+            address = input.getHash('hex');
             if (address)
               batch.del('C/' + address + '/' + key);
           }
@@ -1721,7 +1721,7 @@ Mempool.prototype._removeUnchecked = function _removeUnchecked(hash, limit, call
         batch.del('c/' + key);
 
         if (self.options.indexAddress) {
-          address = output.getHash();
+          address = output.getHash('hex');
           if (address)
             batch.del('C/' + address + '/' + key);
         }
diff --git a/lib/bcoin/output.js b/lib/bcoin/output.js
index 23b7cf3f..4ff7047d 100644
--- a/lib/bcoin/output.js
+++ b/lib/bcoin/output.js
@@ -86,14 +86,15 @@ Output.prototype.getAddress = function getAddress() {
 
 /**
  * Get the address hash.
+ * @param {String?} enc
  * @returns {Hash} hash
  */
 
-Output.prototype.getHash = function getHash() {
+Output.prototype.getHash = function getHash(enc) {
   var address = this.getAddress();
   if (!address)
     return;
-  return address.getHash('hex');
+  return address.getHash(enc);
 };
 
 /**
@@ -104,7 +105,7 @@ Output.prototype.getHash = function getHash() {
  */
 
 Output.prototype.test = function test(addressMap) {
-  var hash = this.getHash();
+  var hash = this.getHash('hex');
 
   if (!hash)
     return false;
diff --git a/lib/bcoin/pool.js b/lib/bcoin/pool.js
index d09ae8bd..cff0d4a9 100644
--- a/lib/bcoin/pool.js
+++ b/lib/bcoin/pool.js
@@ -1242,7 +1242,7 @@ Pool.prototype.updateWatch = function updateWatch() {
  */
 
 Pool.prototype.watchAddress = function watchAddress(address) {
-  this.watch(bcoin.address.getHash(address), 'hex');
+  this.watch(bcoin.address.getHash(address));
 };
 
 /**
diff --git a/lib/bcoin/tx.js b/lib/bcoin/tx.js
index 62209d26..1c40613f 100644
--- a/lib/bcoin/tx.js
+++ b/lib/bcoin/tx.js
@@ -811,8 +811,17 @@ TX.prototype.getAddresses = function getAddresses() {
  * @returns {Hash[]} hashes
  */
 
-TX.prototype.getInputHashes = function getInputHashes() {
-  return Object.keys(this.getInputAddresses().table);
+TX.prototype.getInputHashes = function getInputHashes(enc) {
+  var input = this.getInputAddresses();
+  var i;
+
+  if (enc === 'hex')
+    return Object.keys(input.table);
+
+  for (i = 0; i < input.length; i++)
+    input[i] = input[i].getHash();
+
+  return input;
 };
 
 /**
@@ -820,8 +829,17 @@ TX.prototype.getInputHashes = function getInputHashes() {
  * @returns {Hash[]} hashes
  */
 
-TX.prototype.getOutputHashes = function getOutputHashes() {
-  return Object.keys(this.getOutputAddresses().table);
+TX.prototype.getOutputHashes = function getOutputHashes(enc) {
+  var output = this.getOutputAddresses();
+  var i;
+
+  if (enc === 'hex')
+    return Object.keys(output.table);
+
+  for (i = 0; i < output.length; i++)
+    output[i] = output[i].getHash();
+
+  return output;
 };
 
 /**
@@ -829,8 +847,17 @@ TX.prototype.getOutputHashes = function getOutputHashes() {
  * @returns {Hash[]} hashes
  */
 
-TX.prototype.getHashes = function getHashes() {
-  return Object.keys(this.getAddresses().table);
+TX.prototype.getHashes = function getHashes(enc) {
+  var hashes = this.getAddresses();
+  var i;
+
+  if (enc === 'hex')
+    return Object.keys(hashes.table);
+
+  for (i = 0; i < hashes.length; i++)
+    hashes[i] = hashes[i].getHash();
+
+  return hashes;
 };
 
 /**
diff --git a/lib/bcoin/txdb.js b/lib/bcoin/txdb.js
index 3fef65f2..0267896c 100644
--- a/lib/bcoin/txdb.js
+++ b/lib/bcoin/txdb.js
@@ -110,8 +110,8 @@ TXDB.prototype._testFilter = function _testFilter(addresses) {
 TXDB.prototype.getMap = function getMap(tx, callback) {
   var i, input, output, address, addresses, map;
 
-  input = tx.getInputHashes();
-  output = tx.getOutputHashes();
+  input = tx.getInputHashes('hex');
+  output = tx.getOutputHashes('hex');
   addresses = utils.uniq(input.concat(output));
 
   if (!this._testFilter(addresses))
@@ -347,7 +347,7 @@ TXDB.prototype._add = function add(tx, map, callback, force) {
       if (tx.isCoinbase())
         return next();
 
-      address = input.getHash();
+      address = input.getHash('hex');
 
       // Only add orphans if this input is ours.
       if (!address || !map.table[address].length)
@@ -445,7 +445,7 @@ TXDB.prototype._add = function add(tx, map, callback, force) {
 
       // Add unspent outputs or resolve orphans
       utils.forEachSerial(tx.outputs, function(output, next, i) {
-        var address = output.getHash();
+        var address = output.getHash('hex');
         var key = hash + '/' + i;
         var coin;
 
@@ -747,7 +747,7 @@ TXDB.prototype._confirm = function _confirm(tx, map, callback, force) {
     }
 
     utils.forEachSerial(tx.outputs, function(output, next, i) {
-      var address = output.getHash();
+      var address = output.getHash('hex');
 
       // Only update coins if this output is ours.
       if (!address || !map.table[address].length)
@@ -896,7 +896,7 @@ TXDB.prototype._remove = function remove(tx, map, callback, force) {
     for (i = 0; i < tx.inputs.length; i++) {
       input = tx.inputs[i];
       key = input.prevout.hash + '/' + input.prevout.index;
-      address = input.getHash();
+      address = input.getHash('hex');
 
       if (tx.isCoinbase())
         break;
@@ -923,7 +923,7 @@ TXDB.prototype._remove = function remove(tx, map, callback, force) {
     for (i = 0; i < tx.outputs.length; i++) {
       output = tx.outputs[i];
       key = hash + '/' + i;
-      address = output.getHash();
+      address = output.getHash('hex');
 
       if (!address || !map.table[address].length)
         continue;
diff --git a/lib/bcoin/wallet.js b/lib/bcoin/wallet.js
index 16994ebd..5cc6e6d1 100644
--- a/lib/bcoin/wallet.js
+++ b/lib/bcoin/wallet.js
@@ -729,7 +729,7 @@ Wallet.prototype.getInputPaths = function getInputPaths(tx, callback) {
   if (tx instanceof bcoin.input) {
     if (!tx.coin)
       return callback(new Error('Not all coins available.'));
-    hashes = [tx.coin.getHash()];
+    hashes = [tx.coin.getHash('hex')];
     return done();
   }
 
@@ -740,7 +740,7 @@ Wallet.prototype.getInputPaths = function getInputPaths(tx, callback) {
     if (!tx.hasCoins())
       return callback(new Error('Not all coins available.'));
 
-    hashes = tx.getInputHashes();
+    hashes = tx.getInputHashes('hex');
     done();
   });
 };
@@ -757,9 +757,9 @@ Wallet.prototype.getOutputPaths = function getOutputPaths(tx, callback) {
   var hashes;
 
   if (tx instanceof bcoin.output)
-    hashes = [tx.getHash()];
+    hashes = [tx.getHash('hex')];
   else
-    hashes = tx.getOutputHashes();
+    hashes = tx.getOutputHashes('hex');
 
   utils.forEachSerial(hashes, function(hash, next, i) {
     self.getPath(hash, function(err, path) {