diff --git a/lib/services/address/index.js b/lib/services/address/index.js
index 1fc53c01f..7f49adf14 100644
--- a/lib/services/address/index.js
+++ b/lib/services/address/index.js
@@ -13,6 +13,17 @@ var Encoding = require('./encoding');
 var Transform = require('stream').Transform;
 var assert = require('assert');
 var utils = require('../../utils');
+var LRU = require('lru-cache');
+var XXHash = require('xxhash');
+
+
+
+// See rationale about this cache at function getTxList(next)
+const TXID_LIST_CACHE_ITEMS = 250;              // nr of items (this translates to: consecutive 
+                                                // clients downloading their tx history)
+const TXID_LIST_CACHE_EXPIRATION = 1000 * 30;   // ms
+const TXID_LIST_CACHE_MIN = 100;                // Min items to cache
+const TXID_LIST_CACHE_SEED = 0x3233DE;                // Min items to cache
 
 var AddressService = function(options) {
 
@@ -24,6 +35,11 @@ var AddressService = function(options) {
   this._network = this.node.network;
   this._db = this.node.services.db;
   this._mempool = this.node.services.mempool;
+  this._txIdListCache = new LRU({
+    max: TXID_LIST_CACHE_ITEMS,        
+    maxAge: TXID_LIST_CACHE_EXPIRATION 
+  });
+ 
 
   if (this._network === 'livenet') {
     this._network = 'main';
@@ -49,8 +65,12 @@ AddressService.dependencies = [
 // for example if the query /api/addrs/txs?from=0&to=5&noAsm=1&noScriptSig=1&noSpent=1, and the addresses passed
 // in are [addr1, addr2, addr3], then if addr3 has tx1 at height 10, addr2 has tx2 at height 9 and tx1 has no txs,
 // then I would pass back [tx1, tx2] in that order
+//
+// Instead of passing addresses, with from>0, options.cacheKey can be used to define the address set.
+//
 AddressService.prototype.getAddressHistory = function(addresses, options, callback) {
   var self = this;
+  var cacheUsed = false;
 
   addresses = utils.convertAddressArrayToMostCommonFormat(addresses); // For Litecoin
 
@@ -67,31 +87,75 @@ AddressService.prototype.getAddressHistory = function(addresses, options, callba
     addresses = [addresses];
   }
 
-  async.eachLimit(addresses, 4, function(address, next) {
 
-    self._getAddressTxidHistory(address, options, next);
+  function getTxList(next) {
 
-  }, function(err) {
 
-    if(err) {
-      return callback(err);
-    }
+    function hashAddresses(addresses) {
 
-    var unique = {};
-    var list = [];
+      // Given there are only TXID_LIST_CACHE_ITEMS ~ 250 items cached at the sametime
+      // a 32 bits hash is secure enough
 
-    for (let i = 0; i < options.txIdList.length; i++) {
-      unique[options.txIdList[i].txid + options.txIdList[i].height] = options.txIdList[i];
-    }
+      return XXHash.hash(Buffer.from(addresses.join('')), TXID_LIST_CACHE_SEED);
+    };
 
-    for (var prop in unique) {
-      list.push(unique[prop]);
+    var calculatedCacheKey;
+
+    // We use the cache ONLY on from > 0 queries.
+    //
+    // Rationale: The a full history is downloaded, the client do
+    // from =0, to=x
+    // then from =x+1 to=y
+    // then [...]
+    // The objective of this cache is to speed up the from>0 queries, and also
+    // "freeze" the txid list during download.
+    //
+    if (options.from >0 ) {
+      
+      let cacheKey  = options.cacheKey;
+      if (!cacheKey) {
+         calculatedCacheKey = hashAddresses(addresses);
+         cacheKey =  calculatedCacheKey;
+      }
+
+      var txIdList  = self._txIdListCache.get(cacheKey);
+      if (txIdList) {
+        options.txIdList = txIdList;
+        cacheUsed = true;
+        return next();
+      }
     }
 
-    options.txIdList = list.sort(function(a, b) {
-     return b.height - a.height;
+    // Get the list from the db
+    async.eachLimit(addresses, 4, function(address, next) {
+      self._getAddressTxidHistory(address, options, next);
+    }, function(err) {
+      if (err) return next(err);
+
+      var list = lodash.uniqBy(options.txIdList, function(x) { 
+        return x.txid + x.height;
+      });
+
+
+      options.txIdList = lodash.orderBy(list,['height','txid'], ['desc','asc']);
+
+      if (list.length > TXID_LIST_CACHE_MIN) {
+        calculatedCacheKey  = calculatedCacheKey || hashAddresses(addresses);
+
+        self._txIdListCache.set(calculatedCacheKey, options.txIdList);
+      }
+
+      return next();
     });
 
+  };
+
+
+  getTxList(function(err) {
+    if(err) {
+      return callback(err);
+    }
+
     self._getAddressTxHistory(options, function(err, txList) {
 
       if (err) {
@@ -100,10 +164,11 @@ AddressService.prototype.getAddressHistory = function(addresses, options, callba
 
       var results = {
         totalCount: options.txIdList.length || 0,
-        items: txList
+        items: txList,
       };
 
-      callback(null, results);
+      // cacheUsed is returned for testing
+      callback(null, results, cacheUsed);
 
     });
   });
@@ -426,14 +491,13 @@ AddressService.prototype._getAddressTxHistory = function(options, callback) {
       });
     }
 
-    self._transaction.getTransaction(id.txid, next);
+    self._transaction.getDetailedTransaction(id.txid, options, next);
 
   }, callback);
 
 };
 
 AddressService.prototype._getAddressTxidHistory = function(address, options, callback) {
-
   var self = this;
 
   options = options || {};
diff --git a/lib/services/header/index.js b/lib/services/header/index.js
index fa736363b..d3a85267d 100644
--- a/lib/services/header/index.js
+++ b/lib/services/header/index.js
@@ -573,11 +573,15 @@ HeaderService.prototype._startBlockSubscription = function() {
 };
 
 HeaderService.prototype._syncComplete = function() {
+  // Check if we have reached the last block that we can download.
+  var bestHeight = Math.max(this._bestHeight, this._lastHeader.height);
+
+  var syncComplete = bestHeight === this._tip.height
 
-  // we always ask for the max number of headers, which is 2000.
-  // so any response with < 2000 means we have reached the end of the headers list.
-  // we could make an extra call if the number of total headers is multiple of 2000.
-  return this._lastHeaderCount < 2000;
+  if (syncComplete && this._initialSync)
+    log.info("Header Service: Sync Complete!")
+  
+  return syncComplete
 
 };
 
diff --git a/lib/services/p2p/index.js b/lib/services/p2p/index.js
index 928fdd588..7874a4dfd 100644
--- a/lib/services/p2p/index.js
+++ b/lib/services/p2p/index.js
@@ -10,6 +10,7 @@ var assert = require('assert');
 var Bcoin = require('./bcoin'); // !!!: DO not change this to lcoin
 var BcoinTx = require('lcoin').tx;
 var Networks = require('litecore-lib').Networks;
+var BitcoreRPC = require('litecoind-rpc');
 var LRU = require('lru-cache');
 var constants = require('../../constants');
 
@@ -22,6 +23,7 @@ var P2P = function(options) {
   BaseService.call(this, options);
   this._options = options;
 
+  this._initRPC(options);
   this._initP2P();
   this._initPubSub();
   this._bcoin = null;
@@ -129,26 +131,7 @@ P2P.prototype.getPublishEvents = function() {
 
 
 P2P.prototype.sendTransaction = function(tx, callback) {
-  var peer = this._getPeer();
-
-  var bcoinTx;
-  try {
-    bcoinTx = BcoinTx.fromRaw(tx, 'hex');
-  } catch(e) {
-    return callback(e);
-  }
-
-  log.info('P2P Service: sending transaction: ' + bcoinTx.txid());
-
-  this._outgoingTxs.set(bcoinTx.txid(), bcoinTx);
-  var inv = p2p.Inventory.forTransaction(bcoinTx.txid(), tx.hasWitness());
-  var txMessage = this.messages.Inventory([inv]);
-
-  peer.sendMessage(txMessage);
-
-  this._onPeerTx(peer, { transaction: bcoinTx });
-
-  return callback(null, bcoinTx.txid());
+  return this._client.sendRawTransaction(tx, callback);
 };
 
 
@@ -270,6 +253,17 @@ P2P.prototype._initCache = function() {
   this._inv = LRU(1000);
 };
 
+P2P.prototype._initRPC = function (options) {
+this._config = options.rpc || {
+    user: 'litecoin',
+    pass: 'local321',
+    host: 'localhost',
+    protocol: 'http',
+    port: 9332
+  };
+  this._client = new BitcoreRPC(this._config);
+}
+
 P2P.prototype._initP2P = function() {
   this._maxPeers = this._options.maxPeers || 60;
   this._minPeers = this._options.minPeers || 0;
diff --git a/lib/services/transaction/index.js b/lib/services/transaction/index.js
index e08672024..99a790b4e 100644
--- a/lib/services/transaction/index.js
+++ b/lib/services/transaction/index.js
@@ -16,7 +16,6 @@ function TransactionService(options) {
   this._header = this.node.services.header;
   this._p2p = this.node.services.p2p;
   this._timestamp = this.node.services.timestamp;
-  this._address = this.node.services.address;
   this._network = this.node.network;
 
   if (this._network === 'livenet') {
@@ -131,7 +130,8 @@ TransactionService.prototype.getTransaction = function(txid, options, callback)
     if (err) {
       return callback(err);
     }
-    if (tx) {
+    // Only add to cache if there are at least 3 confirmations, this prevents it getting stuck showing 0 confirmations
+    if (tx && tx.confirmations >= 3) {
       self._cacheTx.set(txid, tx);
     }
     callback(err, tx);
diff --git a/package-lock.json b/package-lock.json
index dfa5fed31..2139cf0cf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "litecore-node",
-  "version": "5.0.0-beta.41",
+  "version": "5.0.0-beta.44",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -20,11 +20,11 @@
       }
     },
     "accepts": {
-      "version": "1.3.4",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.4.tgz",
-      "integrity": "sha1-hiRnWMfdbSGmR0/whKR0DsBesh8=",
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
+      "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
       "requires": {
-        "mime-types": "2.1.17",
+        "mime-types": "2.1.19",
         "negotiator": "0.6.1"
       }
     },
@@ -33,6 +33,19 @@
       "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
       "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8="
     },
+    "ajv": {
+      "version": "5.5.2",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
+      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "co": "4.6.0",
+        "fast-deep-equal": "1.1.0",
+        "fast-json-stable-stringify": "2.0.0",
+        "json-schema-traverse": "0.3.1"
+      }
+    },
     "align-text": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
@@ -78,18 +91,18 @@
       "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
     },
     "are-we-there-yet": {
-      "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.4.tgz",
-      "integrity": "sha1-u13KOCu5TwXhUZQ3PRb9O6HKEQ0=",
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
+      "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
       "requires": {
         "delegates": "1.0.0",
-        "readable-stream": "2.3.3"
+        "readable-stream": "2.3.6"
       }
     },
     "argparse": {
-      "version": "1.0.9",
-      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.9.tgz",
-      "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
       "dev": true,
       "requires": {
         "sprintf-js": "1.0.3"
@@ -136,10 +149,13 @@
       "integrity": "sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog=="
     },
     "asn1": {
-      "version": "0.2.3",
-      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.3.tgz",
-      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y=",
-      "dev": true
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
+      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+      "dev": true,
+      "requires": {
+        "safer-buffer": "2.1.2"
+      }
     },
     "assert-plus": {
       "version": "0.2.0",
@@ -148,9 +164,9 @@
       "dev": true
     },
     "assertion-error": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.0.2.tgz",
-      "integrity": "sha1-E8pRXYYgbaC6xm6DTdOX2HWBCUw=",
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
+      "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
       "dev": true
     },
     "assign-symbols": {
@@ -159,11 +175,11 @@
       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c="
     },
     "async": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.0.tgz",
-      "integrity": "sha512-xAfGg1/NTLBBKlHFmnd7PlmUW9KhVQIUuSrYem9xzFUZy13ScvtyGGejaae9iAVRiRq9+Cx7DPFaAAhCpyxyPw==",
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
+      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
       "requires": {
-        "lodash": "4.17.4"
+        "lodash": "4.17.10"
       }
     },
     "async-limiter": {
@@ -178,9 +194,9 @@
       "dev": true
     },
     "atob": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/atob/-/atob-2.0.3.tgz",
-      "integrity": "sha1-GcenYEc3dEaPILLS0DNyrX1Mv10="
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.1.tgz",
+      "integrity": "sha1-ri1acpR38onWDdf5amMUoi3Wwio="
     },
     "aws-sign2": {
       "version": "0.6.0",
@@ -189,9 +205,9 @@
       "dev": true
     },
     "aws4": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.6.0.tgz",
-      "integrity": "sha1-g+9cqGCysy5KDe7e6MdxudtXRx4=",
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
+      "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==",
       "dev": true
     },
     "backo2": {
@@ -210,12 +226,48 @@
       "integrity": "sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==",
       "requires": {
         "cache-base": "1.0.1",
-        "class-utils": "0.3.5",
+        "class-utils": "0.3.6",
         "component-emitter": "1.2.1",
         "define-property": "1.0.0",
         "isobject": "3.0.1",
-        "mixin-deep": "1.3.0",
+        "mixin-deep": "1.3.1",
         "pascalcase": "0.1.1"
+      },
+      "dependencies": {
+        "define-property": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
+          "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
+          "requires": {
+            "is-descriptor": "1.0.2"
+          }
+        },
+        "is-accessor-descriptor": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
+          "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
+          "requires": {
+            "kind-of": "6.0.2"
+          }
+        },
+        "is-data-descriptor": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
+          "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
+          "requires": {
+            "kind-of": "6.0.2"
+          }
+        },
+        "is-descriptor": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
+          "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
+          "requires": {
+            "is-accessor-descriptor": "1.0.0",
+            "is-data-descriptor": "1.0.0",
+            "kind-of": "6.0.2"
+          }
+        }
       }
     },
     "base-x": {
@@ -243,13 +295,13 @@
       "optional": true,
       "requires": {
         "bindings": "1.3.0",
-        "nan": "2.8.0"
+        "nan": "2.10.0"
       }
     },
     "bcrypt-pbkdf": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz",
-      "integrity": "sha1-Y7xdy2EzG5K8Bf1SiVPDNGKgb40=",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
+      "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
       "dev": true,
       "optional": true,
       "requires": {
@@ -285,11 +337,12 @@
       }
     },
     "bl": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.1.tgz",
-      "integrity": "sha1-ysMo977kVzDUBLaSID/LWQ4XLV4=",
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz",
+      "integrity": "sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==",
       "requires": {
-        "readable-stream": "2.3.3"
+        "readable-stream": "2.3.6",
+        "safe-buffer": "5.1.1"
       }
     },
     "blob": {
@@ -308,20 +361,20 @@
       "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
     },
     "body-parser": {
-      "version": "1.18.2",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.2.tgz",
-      "integrity": "sha1-h2eKGdhLR9hZuDGZvVm84iKxBFQ=",
+      "version": "1.18.3",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.3.tgz",
+      "integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
       "requires": {
         "bytes": "3.0.0",
         "content-type": "1.0.4",
         "debug": "2.6.9",
-        "depd": "1.1.1",
-        "http-errors": "1.6.2",
-        "iconv-lite": "0.4.19",
+        "depd": "1.1.2",
+        "http-errors": "1.6.3",
+        "iconv-lite": "0.4.23",
         "on-finished": "2.3.0",
-        "qs": "6.5.1",
-        "raw-body": "2.3.2",
-        "type-is": "1.6.15"
+        "qs": "6.5.2",
+        "raw-body": "2.3.3",
+        "type-is": "1.6.16"
       }
     },
     "boom": {
@@ -334,30 +387,39 @@
       }
     },
     "brace-expansion": {
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-          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
-          "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
-          "requires": {
-            "kind-of": "3.2.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "requires": {
-                "is-buffer": "1.1.6"
-              }
-            }
-          }
-        },
-        "is-data-descriptor": {
-          "version": "0.1.4",
-          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
-          "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
-          "requires": {
-            "kind-of": "3.2.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "requires": {
-                "is-buffer": "1.1.6"
-              }
-            }
-          }
-        },
-        "is-descriptor": {
-          "version": "0.1.6",
-          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-0.1.6.tgz",
-          "integrity": "sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==",
-          "requires": {
-            "is-accessor-descriptor": "0.1.6",
-            "is-data-descriptor": "0.1.4",
-            "kind-of": "5.1.0"
-          }
-        },
-        "kind-of": {
-          "version": "5.1.0",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-5.1.0.tgz",
-          "integrity": "sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw=="
-        }
+        "define-property": "2.0.2",
+        "extend-shallow": "3.0.2",
+        "regex-not": "1.0.2",
+        "safe-regex": "1.1.0"
       }
     },
     "to-regex-range": {
@@ -4420,9 +4874,9 @@
       }
     },
     "tough-cookie": {
-      "version": "2.3.3",
-      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.3.tgz",
-      "integrity": "sha1-C2GKVWW23qkL80JdBNVe3EdadWE=",
+      "version": "2.3.4",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
+      "integrity": "sha512-TZ6TTfI5NtZnuyy/Kecv+CnoROnyXn2DN97LontgQpCwsX2XyLYCC0ENhYkehSOwAp8rTQKc/NUIF7BkQ5rKLA==",
       "dev": true,
       "requires": {
         "punycode": "1.4.1"
@@ -4459,14 +4913,21 @@
       "dev": true
     },
     "type-is": {
-      "version": "1.6.15",
-      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.15.tgz",
-      "integrity": "sha1-yrEPtJCeRByChC6v4a1kbIGARBA=",
+      "version": "1.6.16",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
+      "integrity": "sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==",
       "requires": {
         "media-typer": "0.3.0",
-        "mime-types": "2.1.17"
+        "mime-types": "2.1.19"
       }
     },
+    "typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
+      "dev": true,
+      "optional": true
+    },
     "uglify-js": {
       "version": "2.8.29",
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
@@ -4496,6 +4957,12 @@
       "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
       "integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo="
     },
+    "unicode-5.2.0": {
+      "version": "0.7.5",
+      "resolved": "https://registry.npmjs.org/unicode-5.2.0/-/unicode-5.2.0-0.7.5.tgz",
+      "integrity": "sha512-KVGLW1Bri30x00yv4HNM8kBxoqFXr0Sbo55735nvrlsx4PYBZol3UtoWgO492fSwmsetzPEZzy73rbU8OGXJcA==",
+      "dev": true
+    },
     "union-value": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.0.tgz",
@@ -4507,6 +4974,14 @@
         "set-value": "0.4.3"
       },
       "dependencies": {
+        "extend-shallow": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
+          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+          "requires": {
+            "is-extendable": "0.1.1"
+          }
+        },
         "set-value": {
           "version": "0.4.3",
           "resolved": "https://registry.npmjs.org/set-value/-/set-value-0.4.3.tgz",
@@ -4561,102 +5036,23 @@
         }
       }
     },
-    "unzip-response": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/unzip-response/-/unzip-response-1.0.2.tgz",
-      "integrity": "sha1-uYTwh3/AqJwsdzzB73tbIytbBv4="
-    },
     "urix": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
       "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI="
     },
     "use": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/use/-/use-2.0.2.tgz",
-      "integrity": "sha1-riig1y+TvyJCKhii43mZMRLeyOg=",
-      "requires": {
-        "define-property": "0.2.5",
-        "isobject": "3.0.1",
-        "lazy-cache": "2.0.2"
-      },
-      "dependencies": {
-        "define-property": {
-          "version": "0.2.5",
-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
-          "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
-          "requires": {
-            "is-descriptor": "0.1.6"
-          }
-        },
-        "is-accessor-descriptor": {
-          "version": "0.1.6",
-          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
-          "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
-          "requires": {
-            "kind-of": "3.2.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "requires": {
-                "is-buffer": "1.1.6"
-              }
-            }
-          }
-        },
-        "is-data-descriptor": {
-          "version": "0.1.4",
-          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
-          "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
-          "requires": {
-            "kind-of": "3.2.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "requires": {
-                "is-buffer": "1.1.6"
-              }
-            }
-          }
-        },
-        "is-descriptor": {
-          "version": "0.1.6",
-          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-0.1.6.tgz",
-          "integrity": "sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==",
-          "requires": {
-            "is-accessor-descriptor": "0.1.6",
-            "is-data-descriptor": "0.1.4",
-            "kind-of": "5.1.0"
-          }
-        },
-        "kind-of": {
-          "version": "5.1.0",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-5.1.0.tgz",
-          "integrity": "sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw=="
-        }
-      }
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
+      "integrity": "sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ=="
     },
     "util": {
-      "version": "0.10.3",
-      "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
-      "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
+      "version": "0.11.0",
+      "resolved": "https://registry.npmjs.org/util/-/util-0.11.0.tgz",
+      "integrity": "sha512-5n12uMzKCjvB2HPFHnbQSjaqAa98L5iIXmHrZCLavuZVe0qe/SJGbDGWlpaHk5lnBkWRDO+dRu1/PgmUYKPPTw==",
       "dev": true,
       "requires": {
-        "inherits": "2.0.1"
-      },
-      "dependencies": {
-        "inherits": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz",
-          "integrity": "sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE=",
-          "dev": true
-        }
+        "inherits": "2.0.3"
       }
     },
     "util-deprecate": {
@@ -4670,15 +5066,15 @@
       "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
     },
     "uuid": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.1.0.tgz",
-      "integrity": "sha512-DIWtzUkw04M4k3bf1IcpS2tngXEL26YUD2M0tMDUpnUrz2hgzUBlD55a4FjdLGPvfHxS6uluGWvaVEqgBcVa+g==",
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+      "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
       "dev": true
     },
     "uws": {
-      "version": "0.14.5",
-      "resolved": "https://registry.npmjs.org/uws/-/uws-0.14.5.tgz",
-      "integrity": "sha1-Z6rzPEaypYel9mZtAPdpEyjxSdw=",
+      "version": "9.14.0",
+      "resolved": "https://registry.npmjs.org/uws/-/uws-9.14.0.tgz",
+      "integrity": "sha512-HNMztPP5A1sKuVFmdZ6BPVpBQd5bUjNC8EFMFiICK+oho/OQsAJy5hnIx4btMHiOk8j04f/DbIlqnEZ9d72dqg==",
       "optional": true
     },
     "vary": {
@@ -4706,17 +5102,22 @@
       }
     },
     "which": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/which/-/which-1.3.0.tgz",
-      "integrity": "sha512-xcJpopdamTuY5duC/KnTTNBraPK54YwpenP4lzxU8H91GudWpFv38u0CKjclE1Wi2EH2EDz5LRcHcKbCIzqGyg==",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+      "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
       "requires": {
         "isexe": "2.0.0"
       }
     },
+    "which-pm-runs": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-pm-runs/-/which-pm-runs-1.0.0.tgz",
+      "integrity": "sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs="
+    },
     "wide-align": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.2.tgz",
-      "integrity": "sha512-ijDLlyQ7s6x1JgCLur53osjm/UXUYD9+0PbYKrBsYisYXzCxN+HC3mYDNy/dWdmf3AwqwU3CXwDCvsNgGK1S0w==",
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
+      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
       "requires": {
         "string-width": "1.0.2"
       }
@@ -4781,9 +5182,9 @@
       "integrity": "sha1-OS2LotDxw00e4tYw8V0O+2jhBIo="
     },
     "xmlhttprequest-ssl": {
-      "version": "1.5.4",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.4.tgz",
-      "integrity": "sha1-BPVgkVcks4kIhxXMDteBPpZ3v1c=",
+      "version": "1.5.5",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
+      "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4=",
       "optional": true
     },
     "xtend": {
@@ -4791,6 +5192,14 @@
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
       "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
     },
+    "xxhash": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/xxhash/-/xxhash-0.2.4.tgz",
+      "integrity": "sha1-i4pIFiz8zCG5IPpQAmEYfUAhbDk=",
+      "requires": {
+        "nan": "2.10.0"
+      }
+    },
     "yallist": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
@@ -4809,6 +5218,16 @@
         "window-size": "0.1.0"
       }
     },
+    "yauzl": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.4.1.tgz",
+      "integrity": "sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "fd-slicer": "1.0.1"
+      }
+    },
     "yeast": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
diff --git a/package.json b/package.json
index c177a293f..936a32a82 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "node": ">=8.0.0"
   },
   "author": "BitPay <dev@bitpay.com>",
-  "version": "5.0.0-beta.41",
+  "version": "5.0.0-beta.44",
   "main": "./index.js",
   "repository": "git://github.com/litecoin-project/litecore-node.git",
   "homepage": "https://github.com/litecoin-project/litecore-node",
@@ -29,7 +29,7 @@
   ],
   "dependencies": {
     "async": "^2.5.0",
-    "lcoin": "https://github.com/ultragtx/lcoin#for-litecore-v5.0",
+    "lcoin": "https://github.com/ostlerdev/lcoin#for-litecore-v5.0",
     "litecoind-rpc": "^0.7.1",
     "litecore-lib": "https://github.com/litecoin-project/litecore-lib#v5.0",
     "litecore-p2p": "https://github.com/litecoin-project/litecore-p2p#v5.0",
@@ -43,12 +43,13 @@
     "levelup": "^2.0.0",
     "liftoff": "^2.2.0",
     "lodash": "^4.17.4",
-    "lru-cache": "^4.0.2",
+    "lru-cache": "^4.1.1",
     "memwatch-next": "^0.3.0",
     "mkdirp": "0.5.0",
     "path-is-absolute": "^1.0.0",
     "socket.io": "^1.4.5",
-    "socket.io-client": "^1.4.5"
+    "socket.io-client": "^1.4.5",
+    "xxhash": "^0.2.4"
   },
   "devDependencies": {
     "chai": "^3.5.0",
diff --git a/test/services/address/index.unit.js b/test/services/address/index.unit.js
index fbd6616a5..fbfa008dd 100644
--- a/test/services/address/index.unit.js
+++ b/test/services/address/index.unit.js
@@ -8,6 +8,7 @@ var Encoding  = require('../../../lib/services/address/encoding');
 var Readable = require('stream').Readable;
 var EventEmitter = require('events').EventEmitter;
 var bcoin = require('lcoin');
+var lodash = require('lodash');
 
 describe('Address Service', function() {
 
@@ -54,7 +55,7 @@ describe('Address Service', function() {
 
   describe('#getAddressHistory', function() {
 
-    it('should get the address history', function(done) {
+    it('should get the address history (null case)', function(done) {
 
       sandbox.stub(addressService, '_getAddressTxidHistory').callsArgWith(2, null, null);
       sandbox.stub(addressService, '_getAddressTxHistory').callsArgWith(1, null, []);
@@ -74,6 +75,222 @@ describe('Address Service', function() {
       });
     });
 
+    it('should get the sorted address history', function(done) {
+
+      var old_getAddressTxidHistory = addressService._getAddressTxidHistory;
+      addressService._getAddressTxidHistory = function(addr, options, cb) {
+        options.txIdList = [
+          {
+            txid: "d",
+            height: 10,
+          },
+          {
+            txid: "c",
+            height: 10,
+          },
+          {
+            txid: "a",
+            height: 101,
+          },
+          {
+            txid: "b",
+            height: 100,
+          },
+        ];
+        return cb();
+      };
+
+
+      var old_getAddressTxHistory = addressService._getAddressTxHistory;
+      addressService._getAddressTxHistory = function(options, cb) {
+        return cb(null, options.txIdList);
+      };
+
+      addressService.getAddressHistory(['a', 'b', 'c'], { from: 12, to: 14 }, function(err, res) {
+
+        if (err) {
+          return done(err);
+        }
+
+        expect(res.totalCount).equal(4);
+        expect(lodash.map(res.items,'txid')).to.be.deep.equal(['a','b','c','d']);
+
+        addressService._getAddressTxidHistory = old_getAddressTxHistory;
+        addressService._getAddressTxHistory = old_getAddressTxHistory;
+        done();
+      });
+    });
+
+    it('should remove duplicated items in history', function(done) {
+
+      var old_getAddressTxidHistory = addressService._getAddressTxidHistory;
+      addressService._getAddressTxidHistory = function(addr, options, cb) {
+        options.txIdList = [
+          {
+            txid: "b",
+            height: 10,
+          },
+          {
+            txid: "b",
+            height: 10,
+          },
+          {
+            txid: "d",
+            height: 101,
+          },
+          {
+            txid: "c",
+            height: 100,
+          },
+         {
+            txid: "d",
+            height: 101,
+          },
+        ];
+        return cb();
+      };
+
+
+      var old_getAddressTxHistory = addressService._getAddressTxHistory;
+      addressService._getAddressTxHistory = function(options, cb) {
+        return cb(null, options.txIdList);
+      };
+
+      addressService.getAddressHistory(['a', 'b', 'c'], { from: 12, to: 14 }, function(err, res) {
+
+        if (err) {
+          return done(err);
+        }
+
+        expect(res.totalCount).equal(3);
+        expect(lodash.map(res.items,'txid')).to.be.deep.equal(['d','c','b']);
+
+        addressService._getAddressTxidHistory = old_getAddressTxHistory;
+        addressService._getAddressTxHistory = old_getAddressTxHistory;
+        done();
+      });
+    });
+
+
+    describe('TxIdList cache', function() {
+      var list, old_getAddressTxidHistory, old_getAddressTxHistory;
+
+      beforeEach(function(done){
+        this.clock = sinon.useFakeTimers();
+        list = [];
+        for(let i=1000; i>0; i--) {
+          list.push({
+            txid: "txid" + i,
+            height: 1000  + i,
+
+          });
+        };
+        old_getAddressTxidHistory = addressService._getAddressTxidHistory;
+        // Note that this stub DOES NOT respect options.from/to as the real function
+        addressService._getAddressTxidHistory = function(addr, options, cb) {
+          options.txIdList = lodash.clone(list);
+          return cb();
+        };
+        old_getAddressTxHistory = addressService._getAddressTxHistory;
+
+        addressService._getAddressTxHistory = function(options, cb) {
+          return cb(null, options.txIdList);
+        };
+
+        addressService.getAddressHistory(['a', 'b', 'c'], { from: 0, to: 10 }, function(err, res, cacheUsed) {
+          if (err) {
+            return done(err);
+          }
+          expect(res.totalCount).equal(1000);
+          expect(res.items,'txid').to.be.deep.equal(list);
+          expect(cacheUsed).equal(false);
+          done();
+        });
+      });
+
+      afterEach(function(done){
+        this.clock.restore();
+
+        addressService._getAddressTxidHistory = old_getAddressTxHistory;
+        addressService._getAddressTxHistory = old_getAddressTxHistory;
+        done();
+      });
+
+
+      it('should not cache the address txlist history when from =0 ', function(done) {
+        addressService.getAddressHistory(['a', 'b', 'c'], { from: 0, to: 10 }, function(err, res, cacheUsed) {
+          if (err) {
+            return done(err);
+          }
+          expect(res.totalCount).equal(1000);
+          expect(res.items,'txid').to.be.deep.equal(list);
+          expect(cacheUsed).equal(false);
+          done();
+        });
+      });
+
+      it('should cache the address txlist history', function(done) {
+        addressService.getAddressHistory(['a', 'b', 'c'], { from: 1, to: 10 }, function(err, res, cacheUsed) {
+          if (err) {
+            return done(err);
+          }
+          expect(cacheUsed).equal(true);
+          expect(res.totalCount).equal(1000);
+          expect(res.items,'txid').to.be.deep.equal(list);
+          done();
+        });
+      });
+
+
+      it('should retrive cached list using cachekey', function(done) {
+        addressService.getAddressHistory([], { from: 1, to: 10, cacheKey: 977282097 }, function(err, res, cacheUsed) {
+          if (err) {
+            return done(err);
+          }
+          expect(cacheUsed).equal(true);
+          expect(res.totalCount).equal(1000);
+          expect(res.items,'txid').to.be.deep.equal(list);
+          done();
+        });
+      });
+
+   
+
+      it('should expire cache', function(done) {
+        this.clock.tick(35*1000);
+        addressService.getAddressHistory(['a', 'b', 'c'], { from: 1, to: 10 }, function(err, res, cacheUsed) {
+          if (err) {
+            return done(err);
+          }
+          expect(cacheUsed).equal(false);
+          expect(res.totalCount).equal(1000);
+          expect(res.items,'txid').to.be.deep.equal(list);
+          done();
+        });
+      });
+
+      it('should cache using the address as key', function(done) {
+        addressService.getAddressHistory(['a', 'b', 'c', 'd'], { from: 1, to: 10 }, function(err, res, cacheUsed) {
+          if (err) {
+            return done(err);
+          }
+          expect(cacheUsed).equal(false);
+          expect(res.totalCount).equal(1000);
+          expect(res.items,'txid').to.be.deep.equal(list);
+          addressService.getAddressHistory(['a', 'b', 'c', 'd'], { from: 1, to: 10 }, function(err, res, cacheUsed) {
+            if (err) {
+              return done(err);
+            }
+            expect(cacheUsed).equal(true);
+            expect(res.totalCount).equal(1000);
+            expect(res.items,'txid').to.be.deep.equal(list);
+            done();
+          });
+        });
+      });
+
+
+    });
   });
 
   describe('#_getAddressTxidHistory', function() {