diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index 24865b0c..ee194597 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -37,7 +37,7 @@ function Chain(node, options) {
   this.loading = false;
   this.mempool = node.mempool;
   this.blockdb = node.blockdb;
-  this.db = new bcoin.chaindb(node, this);
+  this.db = new bcoin.chaindb(node, this, options);
   this.busy = false;
   this.jobs = [];
   this.pending = [];
diff --git a/lib/bcoin/chaindb.js b/lib/bcoin/chaindb.js
index 7e7bc309..13857f5c 100644
--- a/lib/bcoin/chaindb.js
+++ b/lib/bcoin/chaindb.js
@@ -35,8 +35,13 @@ function ChainDB(node, chain, options) {
   this.chain = chain;
   this.file = options.file;
 
-  if (!this.file)
-    this.file = bcoin.prefix + '/chain-' + network.type + '.db';
+  if (!this.file) {
+    this.file = bcoin.prefix
+      + '/chain-'
+      + (options.spv ? 'spv-' : '')
+      + network.type
+      + '.db';
+  }
 
   this.heightLookup = {};
   this.queue = {};
diff --git a/lib/bcoin/txdb.js b/lib/bcoin/txdb.js
index a95f84d1..6311bdb0 100644
--- a/lib/bcoin/txdb.js
+++ b/lib/bcoin/txdb.js
@@ -30,6 +30,7 @@ function TXPool(prefix, db, options) {
   this.options = options;
   this.busy = false;
   this.jobs = [];
+  this.ids = true;
 
   if (options.addressFilter)
     this._hasAddress = options.addressFilter;
@@ -85,32 +86,111 @@ TXPool.prototype.add = function add(tx, callback) {
     }, callback);
   }
 
-  return self._add(tx, callback);
+  //if (!this.ids)
+    return this._add(tx, this.__getIDs(tx), callback);
+
+  return self._getIDs(tx.getAddresses(), function(err, ids) {
+    if (err)
+      return callback(err);
+
+    return self._add(tx, ids, callback);
+  });
 };
 
-TXPool.prototype._hasAddress = function _hasAddress(address, callback) {
-  if (!address)
+// Map of address->id.
+TXPool.prototype.__getIDs = function _getIDs(tx, callback) {
+  var map = tx.getAddresses();
+  return map.reduce(function(out, addr) {
+    out[addr] = [addr];
+    return out;
+  }, {});
+};
+
+TXPool.prototype.__hasAddress = function __hasAddress(map, address, callback) {
+  if (!address || !map[address] || !map[address].length)
     return callback(null, false);
   return callback(null, true);
 };
 
+TXPool.prototype._getIDs = function getIDs(address, callback) {
+  var p = this.prefix + '/';
+  var self = this;
+  var map = {};
+
+  if (Array.isArray(address)) {
+    address = utils.uniqs(address);
+    return utils.forEachSerial(address, function(address, next) {
+      self._getIDs(address, function(err, m) {
+        if (err)
+          return next(err);
+
+        map[address] = m[address];
+
+        next();
+      });
+    }, function(err) {
+      if (err)
+        return callback(err);
+
+      return callback(null, map);
+    });
+  }
+
+  var iter = this.db.db.iterator({
+    gte: p + 'a/' + address,
+    lte: p + 'a/' + address + '~',
+    keys: true,
+    values: false,
+    fillCache: false,
+    keyAsBuffer: false
+  });
+
+  callback = utils.ensure(callback);
+
+  map[address] = [];
+
+  (function next() {
+    iter.next(function(err, key, value) {
+      if (err) {
+        return iter.end(function() {
+          callback(err);
+        });
+      }
+
+      if (key === undefined) {
+        return iter.end(function(err) {
+          if (err)
+            return callback(err);
+          map[address] = utils.uniqs(map[address]);
+          return callback(null, map);
+        });
+      }
+
+      map[address].push(key.split('/')[3]);
+
+      next();
+    });
+  })();
+};
+
 // This big scary function is what a persistent tx pool
 // looks like. It's a semi mempool in that it can handle
 // receiving txs out of order.
-TXPool.prototype._add = function add(tx, callback, force) {
+TXPool.prototype._add = function add(tx, map, callback, force) {
   var self = this;
   var p = this.prefix + '/';
   var hash = tx.hash('hex');
   var updated = false;
   var own = false;
+  var uniq = {};
   var batch;
 
-  var unlock = this._lock(add, [tx, callback], force);
-  if (!unlock)
-    return;
+  // var unlock = this._lock(add, [tx, map, callback], force);
+  // if (!unlock)
+  //   return;
 
   function done(err, result) {
-    unlock();
+    //unlock();
     if (callback)
       callback(err, result);
   };
@@ -138,20 +218,16 @@ TXPool.prototype._add = function add(tx, callback, force) {
           if (input.isCoinbase())
             return;
 
-          if (type === 'pubkey' || type === 'multisig')
-            address = null;
-
-          uaddr = address;
-
-          if (uaddr) {
-            if (!uniq[uaddr])
-              uniq[uaddr] = true;
-            else
-              uaddr = null;
+          if (address && !uniq[address]) {
+            uniq[address] = true;
+            uaddr = address;
           }
 
-          if (uaddr)
-            batch.del(p + 'p/a/' + uaddr + '/' + hash);
+          if (uaddr) {
+            map[uaddr].forEach(function(id) {
+              batch.del(p + 'p/a/' + id + '/' + hash);
+            });
+          }
         });
 
         utils.forEachSerial(tx.outputs, function(output, next, i) {
@@ -159,20 +235,16 @@ TXPool.prototype._add = function add(tx, callback, force) {
           var address = output.getAddress();
           var uaddr;
 
-          if (type === 'pubkey' || type === 'multisig')
-            address = null;
-
-          uaddr = address;
-
-          if (uaddr) {
-            if (!uniq[uaddr])
-              uniq[uaddr] = true;
-            else
-              uaddr = null;
+          if (address && !uniq[address]) {
+            uniq[address] = true;
+            uaddr = address;
           }
 
-          if (uaddr)
-            batch.del(p + 'p/a/' + uaddr + '/' + hash);
+          if (uaddr) {
+            map[uaddr].forEach(function(id) {
+              batch.del(p + 'p/a/' + id + '/' + hash);
+            });
+          }
 
           self.getCoin(hash, i, function(err, coin) {
             if (err)
@@ -210,8 +282,10 @@ TXPool.prototype._add = function add(tx, callback, force) {
     // Consume unspent money or add orphans
     utils.forEachSerial(tx.inputs, function(input, next, i) {
       var key = input.prevout.hash + '/' + input.prevout.index;
+      if (input.isCoinbase())
+        return next();
       self.getCoin(input.prevout.hash, input.prevout.index, function(err, coin) {
-        var type, address;
+        var type, address, uaddr;
 
         if (err)
           return next(err);
@@ -233,17 +307,26 @@ TXPool.prototype._add = function add(tx, callback, force) {
           type = input.getType();
           address = input.getAddress();
 
-          if (type === 'pubkey' || type === 'multisig')
-            address = null;
-
-          if (input.isCoinbase())
-            return next();
+          if (address && !uniq[address]) {
+            uniq[address] = true;
+            uaddr = address;
+          }
 
           if (address) {
-            batch.del(
-              p + 'u/a/' + address
-              + '/' + input.prevout.hash
-              + '/' + input.prevout.index);
+            map[address].forEach(function(id) {
+              batch.del(
+                p + 'u/a/' + id
+                + '/' + input.prevout.hash
+                + '/' + input.prevout.index);
+            });
+          }
+
+          if (uaddr) {
+            map[uaddr].forEach(function(id) {
+              batch.put(p + 't/a/' + id + '/' + hash, new Buffer([]));
+              if (tx.ts === 0)
+                batch.put(p + 'p/a/' + id + '/' + hash, new Buffer([]));
+            });
           }
 
           batch.del(
@@ -255,7 +338,7 @@ TXPool.prototype._add = function add(tx, callback, force) {
         }
 
         // Only add orphans if this input is ours.
-        self._hasAddress(input.getAddress(), function(err, result) {
+        self.__hasAddress(map, input.getAddress(), function(err, result) {
           if (err)
             return done(err);
 
@@ -308,7 +391,7 @@ TXPool.prototype._add = function add(tx, callback, force) {
       // Add unspent outputs or resolve orphans
       utils.forEachSerial(tx.outputs, function(output, next, i) {
         // Do not add unspents for outputs that aren't ours.
-        self._hasAddress(output.getAddress(), function(err, result) {
+        self.__hasAddress(map, output.getAddress(), function(err, result) {
           var key, coin;
 
           if (err)
@@ -382,7 +465,7 @@ TXPool.prototype._add = function add(tx, callback, force) {
             }
 
             function finish(err) {
-              var type, adddress;
+              var type, adddress, uaddr;
 
               if (err)
                 return next(err);
@@ -391,14 +474,26 @@ TXPool.prototype._add = function add(tx, callback, force) {
                 type = output.getType();
                 address = output.getAddress();
 
-                if (type === 'pubkey' || type === 'multisig')
-                  address = null;
+                if (address && !uniq[address]) {
+                  uniq[address] = true;
+                  uaddr = address;
+                }
 
                 if (address) {
-                  batch.put(
-                    p + 'u/a/' + address
-                    + '/' + hash + '/' + i,
-                    new Buffer([]));
+                  map[address].forEach(function(id) {
+                    batch.put(
+                      p + 'u/a/' + id
+                      + '/' + hash + '/' + i,
+                      new Buffer([]));
+                  });
+                }
+
+                if (uaddr) {
+                  map[uaddr].forEach(function(id) {
+                    batch.put(p + 't/a/' + id + '/' + hash, new Buffer([]));
+                    if (tx.ts === 0)
+                      batch.put(p + 'p/a/' + id + '/' + hash, new Buffer([]));
+                  });
                 }
 
                 batch.put(p + 'u/t/' + hash + '/' + i, coin.toRaw());
@@ -424,23 +519,17 @@ TXPool.prototype._add = function add(tx, callback, force) {
         else
           batch.put(p + 't/h/' + tx.height + '/' + hash, new Buffer([]));
 
-        tx.getAddresses().forEach(function(address) {
-          batch.put(p + 't/a/' + address + '/' + hash, new Buffer([]));
-          if (tx.ts === 0)
-            batch.put(p + 'p/a/' + address + '/' + hash, new Buffer([]));
-        });
-
         batch.write(function(err) {
           if (err)
             return done(err);
 
-          self.emit('tx', tx);
+          self.emit('tx', tx, map);
 
           if (updated) {
             if (tx.ts !== 0)
-              self.emit('confirmed', tx);
+              self.emit('confirmed', tx, map);
 
-            self.emit('updated', tx);
+            self.emit('updated', tx, map);
           }
 
           return done(null, true);
@@ -452,12 +541,37 @@ TXPool.prototype._add = function add(tx, callback, force) {
 
 TXPool.prototype.remove = function remove(hash, callback) {
   var self = this;
+
+  if (Array.isArray(hash)) {
+    return utils.forEachSerial(hash, function(hash, next) {
+      self.remove(hash, next);
+    }, callback);
+  }
+
+  if (hash.hash)
+    hash = hash.hash('hex');
+
+  this.getTX(hash, function(err, tx) {
+    if (err)
+      return callback(err);
+    return self._getIDs(tx.getAddresses(), function(err, map) {
+      if (err)
+        return callback(err);
+
+      return self._remove(tx, map, callback);
+    });
+  });
+};
+
+TXPool.prototype._remove = function remove(hash, map, callback) {
+  var self = this;
   var p = this.prefix + '/';
   var uniq = {};
 
   if (hash.hash)
     hash = hash.hash('hex');
 
+  // XXX Remove this
   this.getTX(hash, function(err, tx) {
     var batch;
 
@@ -489,29 +603,26 @@ TXPool.prototype.remove = function remove(hash, callback) {
         if (input.isCoinbase())
           return;
 
-        if (type === 'pubkey' || type === 'multisig')
-          address = null;
-
-        uaddr = address;
-
-        if (uaddr) {
-          if (!uniq[uaddr])
-            uniq[uaddr] = true;
-          else
-            uaddr = null;
+        if (address && !uniq[address]) {
+          uniq[address] = true;
+          uaddr = address;
         }
 
         if (uaddr) {
-          batch.del(p + 't/a/' + uaddr + '/' + hash);
-          if (tx.ts === 0)
-            batch.del(p + 'p/a/' + uaddr + '/' + hash);
+          map[uaddr].forEach(function(id) {
+            batch.del(p + 't/a/' + id + '/' + hash);
+            if (tx.ts === 0)
+              batch.del(p + 'p/a/' + id + '/' + hash);
+          });
         }
 
         if (address) {
-          batch.put(p + 'u/a/' + address
-            + '/' + input.prevout.hash
-            + '/' + input.prevout.index,
-            new Buffer([]));
+          map[address].forEach(function(id) {
+            batch.put(p + 'u/a/' + id
+              + '/' + input.prevout.hash
+              + '/' + input.prevout.index,
+              new Buffer([]));
+          });
         }
 
         if (input.output) {
@@ -529,26 +640,24 @@ TXPool.prototype.remove = function remove(hash, callback) {
         var address = output.getAddress();
         var uaddr;
 
-        if (type === 'pubkey' || type === 'multisig')
-          address = null;
-
-        uaddr = address;
-
-        if (uaddr) {
-          if (!uniq[uaddr])
-            uniq[uaddr] = true;
-          else
-            uaddr = null;
+        if (address && !uniq[address]) {
+          uniq[address] = true;
+          uaddr = address;
         }
 
         if (uaddr) {
-          batch.del(p + 't/a/' + uaddr + '/' + hash);
-          if (tx.ts === 0)
-            batch.del(p + 'p/a/' + uaddr + '/' + hash);
+          map[uaddr].forEach(function(id) {
+            batch.del(p + 't/a/' + id + '/' + hash);
+            if (tx.ts === 0)
+              batch.del(p + 'p/a/' + id + '/' + hash);
+          });
         }
 
-        if (address)
-          batch.del(p + 'u/a/' + address + '/' + hash + '/' + i);
+        if (address) {
+          map[address].forEach(function(id) {
+            batch.del(p + 'u/a/' + id + '/' + hash + '/' + i);
+          });
+        }
 
         batch.del(p + 'u/t/' + hash + '/' + i);
       });
@@ -566,12 +675,37 @@ TXPool.prototype.remove = function remove(hash, callback) {
 
 TXPool.prototype.unconfirm = function unconfirm(hash, callback) {
   var self = this;
+
+  if (Array.isArray(hash)) {
+    return utils.forEachSerial(hash, function(hash, next) {
+      self.unconfirm(hash, next);
+    }, callback);
+  }
+
+  if (hash.hash)
+    hash = hash.hash('hex');
+
+  this.getTX(hash, function(err, tx) {
+    if (err)
+      return callback(err);
+    return self._getIDs(tx.getAddresses(), function(err, map) {
+      if (err)
+        return callback(err);
+
+      return self._unconfirm(tx, map, callback);
+    });
+  });
+};
+
+TXPool.prototype._unconfirm = function unconfirm(hash, map, callback) {
+  var self = this;
   var p = this.prefix + '/';
   var uniq = {};
 
   if (hash.hash)
     hash = hash.hash('hex');
 
+  // XXX Remove this.
   this.getTX(hash, function(err, tx) {
     var batch, height;
 
@@ -600,20 +734,16 @@ TXPool.prototype.unconfirm = function unconfirm(hash, callback) {
       if (input.isCoinbase())
         return;
 
-      if (type === 'pubkey' || type === 'multisig')
-        address = null;
-
-      uaddr = address;
-
-      if (uaddr) {
-        if (!uniq[uaddr])
-          uniq[uaddr] = true;
-        else
-          uaddr = null;
+      if (address && !uniq[address]) {
+        uniq[address] = true;
+        uaddr = address;
       }
 
-      if (uaddr)
-        batch.put(p + 'p/a/' + uaddr + '/' + hash, new Buffer([]));
+      if (uaddr) {
+        map[uaddr].forEach(function(id) {
+          batch.put(p + 'p/a/' + id + '/' + hash, new Buffer([]));
+        });
+      }
     });
 
     utils.forEachSerial(tx.outputs, function(output, next, i) {
@@ -621,20 +751,16 @@ TXPool.prototype.unconfirm = function unconfirm(hash, callback) {
       var address = output.getAddress();
       var uaddr;
 
-      if (type === 'pubkey' || type === 'multisig')
-        address = null;
-
-      uaddr = address;
-
-      if (uaddr) {
-        if (!uniq[uaddr])
-          uniq[uaddr] = true;
-        else
-          uaddr = null;
+      if (address && !uniq[address]) {
+        uniq[address] = true;
+        uaddr = address;
       }
 
-      if (uaddr)
-        batch.put(p + 'p/a/' + uaddr + '/' + hash, new Buffer([]));
+      if (uaddr) {
+        map[uaddr].forEach(function(id) {
+          batch.put(p + 'p/a/' + id + '/' + hash, new Buffer([]));
+        });
+      }
 
       self.getCoin(hash, i, function(err, coin) {
         if (err)