diff --git a/lib/http/rpc.js b/lib/http/rpc.js
index 3974dfd3..2974e0af 100644
--- a/lib/http/rpc.js
+++ b/lib/http/rpc.js
@@ -2052,17 +2052,18 @@ RPC.prototype.verifyMessage = co(function* verifyMessage(args, help) {
   var b58 = valid.str(0, '');
   var sig = valid.buf(1, null, 'base64');
   var msg = valid.str(2);
-  var hash = Address.getHash(b58);
-  var key;
+  var addr, key;
 
   if (help || args.length !== 3) {
     throw new RPCError(errs.MISC_ERROR,
       'verifymessage "bitcoinaddress" "signature" "message"');
   }
 
-  if (!hash || !sig || !msg)
+  if (!sig || !msg)
     throw new RPCError(errs.TYPE_ERROR, 'Invalid parameters.');
 
+  addr = parseAddress(b58, this.network);
+
   msg = new Buffer(MAGIC_STRING + msg, 'utf8');
   msg = crypto.hash256(msg);
 
@@ -2073,7 +2074,7 @@ RPC.prototype.verifyMessage = co(function* verifyMessage(args, help) {
 
   key = crypto.hash160(key);
 
-  return crypto.ccmp(key, hash);
+  return crypto.ccmp(key, addr.hash);
 });
 
 RPC.prototype.signMessageWithPrivkey = co(function* signMessageWithPrivkey(args, help) {
diff --git a/lib/wallet/rpc.js b/lib/wallet/rpc.js
index cf25834d..e86ed623 100644
--- a/lib/wallet/rpc.js
+++ b/lib/wallet/rpc.js
@@ -236,15 +236,12 @@ RPC.prototype.dumpPrivKey = co(function* dumpPrivKey(args, help) {
   var wallet = this.wallet;
   var valid = new Validator([args]);
   var addr = valid.str(0, '');
-  var hash = Address.getHash(addr, 'hex');
-  var ring;
+  var hash, ring;
 
   if (help || args.length !== 1)
     throw new RPCError(errs.MISC_ERROR, 'dumpprivkey "bitcoinaddress"');
 
-  if (!hash)
-    throw new RPCError(errs.INVALID_ADDRESS_OR_KEY, 'Invalid address.');
-
+  hash = parseHash(addr, this.network);
   ring = yield wallet.getPrivateKey(hash);
 
   if (!ring)
@@ -360,15 +357,12 @@ RPC.prototype.getAccount = co(function* getAccount(args, help) {
   var wallet = this.wallet;
   var valid = new Validator([args]);
   var addr = valid.str(0, '');
-  var hash = Address.getHash(addr, 'hex');
-  var path;
+  var hash, path;
 
   if (help || args.length !== 1)
     throw new RPCError(errs.MISC_ERROR, 'getaccount "bitcoinaddress"');
 
-  if (!hash)
-    throw new RPCError(errs.TYPE_ERROR, 'Invalid address.');
-
+  hash = parseHash(addr, this.network);
   path = yield wallet.getPath(hash);
 
   if (!path)
@@ -518,19 +512,16 @@ RPC.prototype.getReceivedByAddress = co(function* getReceivedByAddress(args, hel
   var valid = new Validator([args]);
   var addr = valid.str(0, '');
   var minconf = valid.u32(1, 0);
-  var hash = Address.getHash(addr, 'hex');
   var height = this.wdb.state.height;
   var total = 0;
-  var i, j, wtx, output, txs;
+  var i, j, hash, wtx, output, txs;
 
   if (help || args.length < 1 || args.length > 2) {
     throw new RPCError(errs.MISC_ERROR,
       'getreceivedbyaddress "bitcoinaddress" ( minconf )');
   }
 
-  if (!hash)
-    throw new RPCError(errs.TYPE_ERROR, 'Invalid address');
-
+  hash = parseHash(addr, this.network);
   txs = yield wallet.getHistory();
 
   for (i = 0; i < txs.length; i++) {
@@ -1217,10 +1208,7 @@ RPC.prototype.listUnspent = co(function* listUnspent(args, help) {
     valid = new Validator([addrs]);
     for (i = 0; i < addrs.length; i++) {
       address = valid.str(i, '');
-      hash = Address.getHash(address, 'hex');
-
-      if (!hash)
-        throw new RPCError(errs.INVALID_ADDRESS_OR_KEY, 'Invalid address.');
+      hash = parseHash(address, this.network);
 
       if (map[hash])
         throw new RPCError(errs.INVALID_PARAMETER, 'Duplicate address.');
@@ -1491,10 +1479,7 @@ RPC.prototype.signMessage = co(function* signMessage(args, help) {
       'signmessage "bitcoinaddress" "message"');
   }
 
-  addr = Address.getHash(addr, 'hex');
-
-  if (!addr)
-    throw new RPCError(errs.INVALID_ADDRESS_OR_KEY, 'Invalid address.');
+  addr = parseHash(addr, this.network);
 
   ring = yield wallet.getKey(addr);
 
@@ -1672,6 +1657,11 @@ RPC.prototype.setLogLevel = co(function* setLogLevel(args, help) {
  * Helpers
  */
 
+function parseHash(raw, network) {
+  var addr = parseAddress(raw, network);
+  return addr.getHash('hex');
+}
+
 function parseAddress(raw, network) {
   try {
     return Address.fromString(raw, network);