diff --git a/lib/node.js b/lib/node.js
index ac644419..eee7c8ac 100644
--- a/lib/node.js
+++ b/lib/node.js
@@ -68,6 +68,7 @@ var BitcoreNode = function(bus, networkMonitor, blockService, transactionService
 
     if (block.height % 100 === 0) {
       console.log('block', block.id, 'height', block.height);
+      console.log('cache size', Object.keys(self.blockCache).length);
     }
 
     return Promise.each(blockchainChanges.unconfirmed, function(hash) {
@@ -78,6 +79,13 @@ var BitcoreNode = function(bus, networkMonitor, blockService, transactionService
           return self.blockService.confirm(self.blockCache[hash]);
         }));
       })
+      .then(function() {
+        var deleteHeight = block.height - 100;
+        if (deleteHeight > 0) {
+          var deleteHash = self.blockchain.hashByHeight[deleteHeight];
+          delete self.blockCache[deleteHash];
+        }
+      })
       .then(function() {
         // TODO: include this
         if (false && _.size(self.inventory) && _.all(_.values(self.inventory))) {
@@ -86,7 +94,7 @@ var BitcoreNode = function(bus, networkMonitor, blockService, transactionService
         }
       })
       .catch(function(error) {
-        self.abort(error);
+        self.stop(error);
       });
   });
 
@@ -154,7 +162,7 @@ BitcoreNode.prototype.start = function() {
 };
 
 BitcoreNode.prototype.stop = function(reason) {
-  this.networkMonitor.stop(reason);
+  this.networkMonitor.abort(reason);
 };
 
 BitcoreNode.prototype.requestFromTip = function() {