diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index ee02236d..884e89b4 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -80,6 +80,7 @@ function Chain(options) {
   this.synced = false;
   this.segwitActive = null;
   this.csvActive = null;
+  this.stateCache = {};
 
   this.orphan = {
     map: {},
@@ -2238,6 +2239,9 @@ Chain.prototype.getState = function getState(prev, id, callback) {
     if (!entry)
       return walkForward(constants.thresholdStates.DEFINED);
 
+    if (self.stateCache[entry.hash])
+      return walkForward(self.stateCache[entry.hash]);
+
     return entry.getMedianTimeAsync(function(err, medianTime) {
       if (err)
         return walk(err);
@@ -2267,12 +2271,17 @@ Chain.prototype.getState = function getState(prev, id, callback) {
           if (err)
             return callback(err);
 
-          if (medianTime >= timeTimeout)
+          if (medianTime >= timeTimeout) {
+            self.stateCache[entry.hash] = constants.thresholdStates.FAILED;
             return walkForward(constants.thresholdStates.FAILED);
+          }
 
-          if (medianTime >= timeStart)
+          if (medianTime >= timeStart) {
+            self.stateCache[entry.hash] = constants.thresholdStates.STARTED;
             return walkForward(constants.thresholdStates.STARTED);
+          }
 
+          self.stateCache[entry.hash] = state;
           return walkForward(state);
         });
       case constants.thresholdStates.STARTED:
@@ -2280,8 +2289,10 @@ Chain.prototype.getState = function getState(prev, id, callback) {
           if (err)
             return callback(err);
 
-          if (medianTime >= timeTimeout)
+          if (medianTime >= timeTimeout) {
+            self.stateCache[entry.hash] = constants.thresholdStates.FAILED;
             return walkForward(constants.thresholdStates.FAILED);
+          }
 
           count = 0;
           i = 0;
@@ -2306,16 +2317,21 @@ Chain.prototype.getState = function getState(prev, id, callback) {
             if (err)
               return callback(err);
 
-            if (count >= threshold)
+            if (count >= threshold) {
+              self.stateCache[entry.hash] = constants.thresholdStates.LOCKED_IN;
               return walkForward(constants.thresholdStates.LOCKED_IN);
+            }
 
+            self.stateCache[entry.hash] = state;
             return walkForward(state);
           }
         });
       case constants.thresholdStates.LOCKED_IN:
+        self.stateCache[entry.hash] = constants.thresholdStates.ACTIVE;
         return walkForward(constants.thresholdStates.ACTIVE);
       case constants.thresholdStates.FAILED:
       case constants.thresholdStates.ACTIVE:
+        self.stateCache[entry.hash] = state;
         return walkForward(state);
     }
 
diff --git a/lib/bcoin/chaindb.js b/lib/bcoin/chaindb.js
index c3b038d3..0a44eaee 100644
--- a/lib/bcoin/chaindb.js
+++ b/lib/bcoin/chaindb.js
@@ -82,7 +82,7 @@ function ChainDB(chain, options) {
   // We add a padding of 100 for forked chains,
   // reorgs, chain locator creation and the bip34
   // check.
-  this.cacheWindow = (network.pow.retargetInterval + 1) * 2 + 100;
+  this.cacheWindow = (network.pow.retargetInterval + 1) * 4 + 100;
 
   this.coinCache = new NullCache(100000);
   this.cacheHash = new bcoin.lru(this.cacheWindow);