diff --git a/app.js b/app.js
index 8418a0f..42285fd 100644
--- a/app.js
+++ b/app.js
@@ -63,6 +63,9 @@ api.on('connection', function(spark) {
             spark.emit('ready');
 
             client.write({action: 'add', data: info});
+
+            var blockPropagationChart = Nodes.blockPropagationChart();
+            client.write({action: 'blockPropagationChart', data: blockPropagationChart});
         }
     });
 
@@ -70,14 +73,16 @@ api.on('connection', function(spark) {
     {
         console.log('Latency: ', spark.latency);
         console.log('got update from ' + spark.id);
-        console.log(data);
 
         if(typeof data.id !== 'undefined' && typeof data.stats !== 'undefined')
         {
             data.stats.latency = spark.latency;
-            var stats = Nodes.update(data.id, data.stats);
 
+            var stats = Nodes.update(data.id, data.stats);
             client.write({action: 'update', data: stats});
+
+            var blockPropagationChart = Nodes.blockPropagationChart();
+            client.write({action: 'blockPropagationChart', data: blockPropagationChart});
         }
     });
 
@@ -116,6 +121,9 @@ client.on('connection', function(spark) {
         console.log(data);
 
         spark.emit('init', {nodes: Nodes.all()});
+
+        var blockPropagationChart = Nodes.blockPropagationChart();
+        spark.write({action: 'blockPropagationChart', data: blockPropagationChart});
     });
 
     spark.on('client-pong', function(data) {
diff --git a/models/collection.js b/models/collection.js
index 686e1d6..55a1b3f 100644
--- a/models/collection.js
+++ b/models/collection.js
@@ -1,9 +1,11 @@
 var _ = require('lodash');
+var Blockchain = require('./history');
 var Node = require('./node');
 
 var Collection = function Collection()
 {
 	this._list = [];
+	this._history = new Blockchain();
 	this._bestBlock = null;
 
 	return this;
@@ -24,36 +26,14 @@ Collection.prototype.update = function(id, stats)
 	if(!node)
 		return false;
 
-	if(this._bestBlock === null)
-	{
-		stats.block.received = (new Date()).getTime();
-		stats.block.propagation = 0;
-		this._bestBlock = stats.block;
-	}
-	else
- 	{
-		var oldStats = node.getStats();
+	var block = this._history.add(stats.block, id);
+	var propagationHistory = this._history.getNodePropagation(id);
 
-		if(stats.block.number !== oldStats.stats.block.number)
-		{
-			stats.block.received = (new Date()).getTime();
+	stats.block.arrived = block.arrived;
+	stats.block.received = block.received;
+	stats.block.propagation = block.propagation;
 
-			if(this._bestBlock.number < stats.block.number)
-			{
-				stats.block.propagation = 0;
-				this._bestBlock = stats.block;
-			}
-			else
-			{
-				stats.block.propagation = stats.block.received - this._bestBlock.received;
-			}
-		} else {
-			stats.block.received = oldStats.stats.block.received;
-			stats.block.propagation = oldStats.stats.block.propagation;
-		}
-	}
-
-	return node.setStats(stats);
+	return node.setStats(stats, propagationHistory);
 }
 
 Collection.prototype.updateLatency = function(id, latency)
@@ -118,4 +98,9 @@ Collection.prototype.all = function()
 	return this._list;
 }
 
+Collection.prototype.blockPropagationChart = function()
+{
+	return this._history.getBlockPropagation();
+}
+
 module.exports = Collection;
\ No newline at end of file
diff --git a/models/history.js b/models/history.js
new file mode 100644
index 0000000..1a20517
--- /dev/null
+++ b/models/history.js
@@ -0,0 +1,159 @@
+var _ = require('lodash');
+
+var MAX_HISTORY = 1008;
+var MAX_PROPAGATION = 36;
+var MAX_BLOCK_PROPAGATION = 96;
+
+var History = function History(data)
+{
+	// this._items = new Array(MAX_HISTORY);
+	this._items = [];
+
+	var item = {
+		height: 0,
+		block: {
+			number: 0,
+			hash: '0x?',
+			arrived: 0,
+			received: 0,
+			propagation: 0,
+			difficulty: 0,
+			gasUsed: 0,
+			transactions: [],
+			uncles: []
+		},
+		propagTimes: []
+	};
+
+	// _.fill(this._items, item);
+}
+
+History.prototype.add = function(block, id)
+{
+	var historyBlock = this.search(block.number);
+
+	var now = (new Date()).getTime();
+	block.arrived = now;
+	block.received = now;
+	block.propagation = 0;
+
+	if(historyBlock)
+	{
+		var propIndex = _.findIndex(historyBlock.propagTimes, {node: id});
+
+		if(propIndex === -1)
+		{
+			block.arrived = historyBlock.block.arrived;
+			block.received = now;
+			block.propagation = now - historyBlock.block.received;
+
+			historyBlock.propagTimes.push({node: id, received: now, propagation: block.propagation});
+		}
+		else
+		{
+			block.arrived = historyBlock.block.arrived;
+			block.received = historyBlock.propagTimes[propIndex].received;
+			block.propagation = historyBlock.propagTimes[propIndex].propagation;
+		}
+	}
+	else
+	{
+		var item = {
+			height: block.number,
+			block: block,
+			propagTimes: []
+		}
+
+		item.propagTimes.push({node: id, received: now, propagation: block.propagation});
+		console.log('item: ', item);
+		this._save(item);
+	}
+	this.getNodePropagation(id);
+
+	return block;
+}
+
+History.prototype._save = function(block)
+{
+	this._items.push(block);
+
+	if(this._items.length > MAX_HISTORY){
+		this._items.shift();
+	}
+}
+
+History.prototype.search = function(number)
+{
+	var index = _.findIndex(this._items, {height: number});
+
+	if(index < 0)
+		return false;
+
+	return this._items[index];
+}
+
+History.prototype.bestBlock = function(obj)
+{
+	return _.max(this._items, 'height');
+}
+
+History.prototype.getNodePropagation = function(id)
+{
+	var propagation = new Array(MAX_PROPAGATION);
+	var bestBlock = this.bestBlock().height;
+
+	_.fill(propagation, -1);
+
+	var sorted = _(this._items)
+		.sortByOrder('height', false)
+		.slice(0, MAX_PROPAGATION)
+		.reverse()
+		.forEach(function(n, key)
+		{
+			var index = MAX_PROPAGATION - 1 - bestBlock + n.height;
+
+			if(index > 0)
+			{
+				propagation[index] = _.result(_.find(n.propagTimes, 'node', id), 'propagation', -1);
+			}
+		})
+		.value();
+
+	return propagation;
+}
+
+History.prototype.getBlockPropagation = function()
+{
+	var propagation = new Array(MAX_BLOCK_PROPAGATION);
+	var bestBlock = this.bestBlock().height;
+	var i = 0;
+
+	_.fill(propagation, -1);
+
+	var sorted = _(this._items)
+		.sortByOrder('height', false)
+		.slice(0, MAX_PROPAGATION)
+		.reverse()
+		.forEach(function(n, key)
+		{
+			if(i < MAX_BLOCK_PROPAGATION)
+			{
+				_.forEach(n.propagTimes, function(p, i)
+				{
+					propagation.push({block: n.height, propagation: _.result(p, 'propagation', -1)});
+					propagation.shift();
+					i++;
+				});
+			}
+		})
+		.value();
+
+	return propagation;
+}
+
+History.prototype.history = function()
+{
+	return _.chain(this._items).sortBy('number').reverse().value();
+}
+
+module.exports = History;
diff --git a/models/node.js b/models/node.js
index 146d1ce..e972a69 100644
--- a/models/node.js
+++ b/models/node.js
@@ -1,4 +1,5 @@
 var geoip = require('geoip-lite');
+var _ = require('lodash');
 
 var MAX_HISTORY = 36;
 
@@ -31,13 +32,13 @@ var Node = function Node(data)
 		uptime: 0,
 		lastUpdate: 0
 	};
-	this.blockHistory = [];
+	this.history = new Array(MAX_HISTORY);
 	this.uptime = {
 		started: null,
 		history: []
 	};
 
-	this.initBlockHistory();
+	_.fill(this.history, -1);
 
 	if(this.id === null) {
 		this.uptime.started = (new Date()).getTime();
@@ -90,41 +91,14 @@ Node.prototype.setInfo = function(data)
 
 Node.prototype.getInfo = function()
 {
-	return {id: this.id, info: this.info, geo: this.geo, stats: this.stats, history: this.blockHistory};
+	return {id: this.id, info: this.info, geo: this.geo, stats: this.stats, history: this.history};
 }
 
-Node.prototype.initBlockHistory = function()
-{
-	for(var i=0; i < MAX_HISTORY; i++)
-	{
-		this.blockHistory.push({
-			number: 0,
-			received: 0,
-			propagation: 0
-		});
-	}
-}
-
-Node.prototype.setStats = function(stats)
+Node.prototype.setStats = function(stats, history)
 {
 	if(typeof stats !== 'undefined' && typeof stats.block !== 'undefined' && typeof stats.block.number !== 'undefined')
 	{
-		stats.block.hash = stats.block.hash.replace('0x', '');
-
-		if(stats.block.number > this.stats.block.number)
-		{
-			if(this.blockHistory.length === MAX_HISTORY )
-				this.blockHistory.shift();
-
-			var history = {
-				number: stats.block.number,
-				received: stats.block.received,
-				propagation: stats.block.propagation
-			};
-
-			this.blockHistory.push(history);
-		}
-
+		this.history = history;
 		this.stats = stats;
 
 		return this.getStats();
@@ -147,7 +121,7 @@ Node.prototype.setLatency = function(latency)
 
 Node.prototype.getStats = function()
 {
-	return {id: this.id, stats: this.stats, history: this.blockHistory};
+	return {id: this.id, stats: this.stats, history: this.history};
 }
 
 Node.prototype.setState = function(active)
diff --git a/public/css/style.css b/public/css/style.css
index ce033a5..3cbe054 100644
--- a/public/css/style.css
+++ b/public/css/style.css
@@ -193,25 +193,88 @@ div.small-title-miner {
 	opacity: .8;
 }
 
-.hoverinfo {
+table i {
+	-webkit-font-smoothing: subpixel-antialiased;
+	-moz-font-smoothing: subpixel-antialiased;
+}
+
+table th,
+table td {
+	border-color: #222 !important;
+}
+
+table td {
+	line-height: 18px;
+}
+
+table th {
+	color: #888;
+}
+
+table th i {
+	font-size: 20px;
+}
+table td i {
 	position: relative;
-	width: auto;
-	left: -50%;
-	text-align: center;
-	color: #333;
-	border: none !important;
-	box-shadow: none !important;
-	border-radius: 3px !important;
-	padding: 5px !important;
-	line-height: 14px !important;
+	line-height: 16px;
+}
+table td i:before {
+	position: absolute;
+	top: 10px;
+	left: 5px;
 }
 
-.hoverinfo .propagationBox {
-	top: 3px;
+.table>tbody>tr>td,
+.table>thead>tr>th {
+	padding: 5px;
 }
 
-.jqstooltip {
+.th-nodename {
+	width: 400px;
+}
 
+.th-latency {
+	width: 100px;
+}
+
+.th-blockhash {
+	width: 150px;
+}
+
+.th-blocktime {
+	width: 110px;
+}
+
+.th-peerPropagationChart {
+	width: 140px;
+}
+
+.nodeInfo .tooltip .tooltip-inner {
+	max-width: 400px;
+	text-align: left;
+	font-size: 12px;
+}
+
+#mapHolder {
+	display: block;
+	position: relative;
+	padding-bottom: 56.25%;
+	height: 0;
+	overflow: hidden;
+	max-width: 100%;
+	height: auto;
+	margin: 10px auto;
+}
+
+#mapHolder > svg {
+	right: 0;
+	bottom: 0;
+	width: 100%;
+	height: 100%;
+	display: inline-block;
+	position: absolute;
+	top: 0;
+	left: 0;
 }
 
 .jqsfield {
@@ -241,127 +304,19 @@ div.small-title-miner {
 	border-bottom-color: #fff;
 }
 
-table i {
-	-webkit-font-smoothing: subpixel-antialiased;
-	-moz-font-smoothing: subpixel-antialiased;
-}
-
-table th,
-table td {
-	border-color: #222 !important;
-}
-
-table th {
-	color: #888;
-}
-
-table th i {
-	font-size: 20px;
-}
-table td i {
+.hoverinfo {
 	position: relative;
-	line-height: 16px;
-}
-table td i:before {
-	position: absolute;
-	top: 10px;
-	left: 5px;
+	width: auto;
+	left: -50%;
+	text-align: center;
+	color: #333;
+	border: none !important;
+	box-shadow: none !important;
+	border-radius: 3px !important;
+	padding: 5px !important;
+	line-height: 14px !important;
 }
 
-#mapHolder {
-	display: block;
-	position: relative;
-	padding-bottom: 56.25%;
-	height: 0;
-	overflow: hidden;
-	max-width: 100%;
-	height: auto;
-	margin: 10px auto;
-}
-
-#mapHolder > svg {
-	right: 0;
-	bottom: 0;
-	width: 100%;
-	height: 100%;
-	display: inline-block;
-	position: absolute;
-	top: 0;
-	left: 0;
-}
-
-.nodeInfo .tooltip .tooltip-inner {
-	max-width: 400px;
-	text-align: left;
-	font-size: 12px;
-}
-
-.table>tbody>tr>td,
-.table>thead>tr>th {
-	padding: 5px;
-}
-
-.th-nodename {
-	width: 400px;
-}
-
-.th-latency {
-	width: 100px;
-}
-
-.th-blockhash {
-	width: 150px;
-}
-
-.th-blocktime {
-	width: 110px;
-}
-
-.th-peerPropagationChart {
-	width: 140px;
-}
-
-@media only screen and (max-width: 639px) {
-	/*.big-info {
-		padding-bottom: 15px;
-		padding-top: 15px;
-		border: 1px solid rgba(255,255,255,0.05);
-	}
-
-	.big-info .icon-full-width i {
-		width: 70px;
-		height: 60px;
-		font-size: 60px;
-		line-height: 60px;
-		margin-right: 20px;
-	}
-
-	.big-info span {
-		opacity: 0.7;
-	}
-
-	.big-info span.small-title {
-		font-size: 13px;
-		line-height: 14px;
-		letter-spacing: 1px;
-		padding-top: 0px;
-	}
-
-	.big-info span.big-details {
-		display: block;
-		font-weight: 200;
-		font-size: 46px;
-		line-height: 50px;
-		letter-spacing: -4px;
-	}*/
-}
-
-@media only screen and (max-width: 479px) {
-	/*.stat-holder {
-		width: 100%;
-	}*/
-}
-
-[ng\:cloak], [ng-cloak], [data-ng-cloak], [x-ng-cloak], .ng-cloak, .x-ng-cloak {
-  display: none !important;
-}
+.hoverinfo .propagationBox {
+	top: 3px;
+}
\ No newline at end of file
diff --git a/public/js/controllers.js b/public/js/controllers.js
index 6139267..00bc09b 100644
--- a/public/js/controllers.js
+++ b/public/js/controllers.js
@@ -91,8 +91,15 @@ function StatsCtrl($scope, $filter, socket, _, toastr) {
 		switch(action) {
 			case "init":
 				$scope.nodes = data;
+				$scope.$apply();
+
+				_.forEach($scope.nodes, function(node, index) {
+					makePeerPropagationChart($scope.nodes[index]);
+				});
+
+				if($scope.nodes.length > 0)
+					toastr['success']("Got nodes list", "Got nodes!");
 
-				if($scope.nodes.length > 0) toastr['success']("Got nodes list", "Got nodes!");
 				break;
 
 			case "add":
@@ -100,30 +107,42 @@ function StatsCtrl($scope, $filter, socket, _, toastr) {
 					toastr['success']("New node "+ $scope.nodes[findIndex({id: data.id})].info.name +" connected!", "New node!");
 				else
 					toastr['info']("Node "+ $scope.nodes[findIndex({id: data.id})].info.name +" reconnected!", "Node is back!");
+
 				break;
 
 			case "update":
 				var index = findIndex({id: data.id});
 				$scope.nodes[index].stats = data.stats;
 				$scope.nodes[index].history = data.history;
-				makePeerPropagationChart(index);
+				makePeerPropagationChart($scope.nodes[index]);
+
 				break;
 
 			case "info":
 				$scope.nodes[findIndex({id: data.id})].info = data.info;
+
+				break;
+
+			case "blockPropagationChart":
+				$scope.blockPropagationChart = data;
+				makeBlockPropagationChart();
+
 				break;
 
 			case "inactive":
 				$scope.nodes[findIndex({id: data.id})].stats = data.stats;
 				toastr['error']("Node "+ $scope.nodes[findIndex({id: data.id})].info.name +" went away!", "Node connection was lost!");
+
 				break;
 
 			case "latency":
 				$scope.nodes[findIndex({id: data.id})].stats.latency = data.latency;
+
 				break;
 
 			case "client-ping":
 				socket.emit('client-pong');
+
 				break;
 		}
 
@@ -135,14 +154,12 @@ function StatsCtrl($scope, $filter, socket, _, toastr) {
 		return _.findIndex($scope.nodes, search);
 	}
 
-	function makePeerPropagationChart(index)
+	function makePeerPropagationChart(node)
 	{
-		$scope.nodes[index].propagation = _.map($scope.nodes[index].history, function(block) {
-			return block.propagation;
-		});
-
-		jQuery('.' + $scope.nodes[index].id).sparkline($scope.nodes[index].propagation, {
+		jQuery('.' + node.id).sparkline(node.history, {
 			type: 'bar',
+			negBarColor: '#7f7f7f',
+			zeroAxis: false,
 			height: 18,
 			barWidth : 2,
 			barSpacing : 1,
@@ -157,6 +174,30 @@ function StatsCtrl($scope, $filter, socket, _, toastr) {
 		});
 	}
 
+	function makeBlockPropagationChart()
+	{
+		jQuery('.spark-blockpropagation').sparkline(_.map($scope.blockPropagationChart, function(history) {
+			if(typeof history.propagation === 'undefined')
+				return -1;
+
+			return history.propagation;
+		}), {
+			type: 'bar',
+			negBarColor: '#7f7f7f',
+			zeroAxis: false,
+			barWidth : 2,
+			barSpacing : 1,
+			tooltipSuffix: ' ms',
+			colorMap: jQuery.range_map({
+				'0:1': '#10a0de',
+				'1:1000': '#7bcc3a',
+				'1001:3000': '#FFD162',
+				'3001:7000': '#ff8a00',
+				'7001:': '#F74B4B'
+			})
+		});
+	}
+
 	function addNewNode(data)
 	{
 		var index = findIndex({id: data.id});
@@ -168,8 +209,7 @@ function StatsCtrl($scope, $filter, socket, _, toastr) {
 		}
 
 		$scope.nodes[index] = data;
-		$scope.nodes[index].history = data.history;
-		makePeerPropagationChart(index);
+		makePeerPropagationChart($scope.nodes[index]);
 
 		return false;
 	}
diff --git a/public/js/filters.js b/public/js/filters.js
index 53a695d..a4fc293 100644
--- a/public/js/filters.js
+++ b/public/js/filters.js
@@ -86,6 +86,9 @@ angular.module('netStatsApp.filters', [])
 })
 .filter('hashFilter', function() {
 	return function(hash) {
+		if(hash.substr(0,2) === '0x')
+			hash = hash.substr(2,64);
+
 		return hash.substr(0, 8) + '...' + hash.substr(56, 8);
 	}
 })
diff --git a/views/index.jade b/views/index.jade
index ab79b67..0eacaad 100644
--- a/views/index.jade
+++ b/views/index.jade
@@ -58,24 +58,29 @@ block content
       div.clearfix
 
     div.row
-      div.col-xs-4.stats-boxes(style="padding-top: 30px;")
+      div.col-xs-6.stats-boxes(style="padding-top: 30px;")
         div.row
-          div.col-xs-6.stat-holder
+          div.col-xs-4.stat-holder
             div.big-info.chart
               span.small-title block time
               span.big-details.spark-blocktimes
 
-          div.col-xs-6.stat-holder
+          div.col-xs-4.stat-holder
+            div.big-info.chart
+              span.small-title block propagation
+              span.big-details.spark-blockpropagation
+
+          div.col-xs-4.stat-holder
             div.big-info.chart
               span.small-title difficulty
               span.big-details.spark-difficulty
 
-          div.col-xs-6.stat-holder
+          div.col-xs-4.stat-holder
             div.big-info.chart
               span.small-title transactions
               span.big-details.spark-transactions
 
-          div.col-xs-6.stat-holder
+          div.col-xs-4.stat-holder
             div.big-info.chart
               span.small-title gas spending
               span.big-details.spark-gasspending
@@ -91,13 +96,6 @@ block content
                 div.block(ng-repeat="i in getNumber(miner.blocks) track by $index", class="{{miner.blocks | minerBlocksClass}}")
                 div.clearfix
 
-      div.col-xs-2.stats-boxes(style="padding-top: 30px;")
-        div.row
-          //- div.col-xs-12.stat-holder
-          //-   div.big-info.chart
-          //-     span.small-title miners
-          //-     span.big-details test
-
       div.col-xs-4
         div.col-xs-12
           nodemap#mapHolder(data="map")
@@ -149,7 +147,7 @@ block content
             td(class="{{ node.stats | blockClass : bestBlock }}")
               span.small {{node.stats.block.hash | hashFilter}}
             td(style="padding-left: 14px;") {{node.stats.block.transactions.length || 0}}
-            td(class="{{ node.stats.block.received | timeClass : node.stats.active }}") {{node.stats.block.received | blockTimeFilter }}
+            td(class="{{ node.stats.block.arrived | timeClass : node.stats.active }}") {{node.stats.block.arrived | blockTimeFilter }}
             td(class="{{ node.stats | propagationTimeClass : bestBlock }}") {{node.stats.block.propagation | blockPropagationFilter}}
               div.propagationBox
             td.peerPropagationChart(class="{{node.id}}")
diff --git a/views/layout.jade b/views/layout.jade
index fe441cb..43d9574 100644
--- a/views/layout.jade
+++ b/views/layout.jade
@@ -3,6 +3,7 @@ html(ng-app="netStatsApp")
   head
     meta(name="viewport", content="width=device-width, initial-scale=1.0, maximum-scale=1.0")
     title= title
+    style(type="text/css") [ng\:cloak], [ng-cloak], [data-ng-cloak], [x-ng-cloak], .ng-cloak, .x-ng-cloak { display: none !important; }
     link(rel='stylesheet', href='//fonts.googleapis.com/css?family=Source+Sans+Pro:200,300,400,600,700')
     link(rel='stylesheet', href='/css/bootstrap.min.css')
     link(rel='stylesheet', href='/css/toastr.min.css')