diff --git a/README.md b/README.md
index 7e13600..aff3276 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,6 @@ Configure the app modifying [processes.json](/eth-net-intelligence-api/blob/mast
 		"NODE_ENV"	: "production", // tell the client we're in production environment
 		"RPC_HOST"	: "localhost", // eth JSON-RPC host
 		"RPC_PORT"	: "8080", // eth JSON-RPC port
-		"ETH_IMPLEMENTATION" : "cpp", // eth implementation: "cpp" or "go"
 		"INSTANCE_NAME"	     : "",
 		"WS_SERVER"	: "", // path to eth-netstats WebSockets api server
 		"WS_SECRET"	: "", // WebSockets api server secret used for login
diff --git a/bin/build.sh b/bin/build.sh
index 2dc3c05..1739962 100644
--- a/bin/build.sh
+++ b/bin/build.sh
@@ -22,6 +22,7 @@ cd ~
 # update packages
 sudo apt-get update -y
 sudo apt-get upgrade -y
+sudo apt-get install -y software-properties-common
 
 # add ethereum repos
 sudo add-apt-repository -y ppa:ethereum/ethereum
@@ -29,7 +30,7 @@ sudo add-apt-repository -y ppa:ethereum/ethereum-dev
 sudo apt-get update -y
 
 # install ethereum & install dependencies
-sudo apt-get install -y software-properties-common build-essential git unzip wget nodejs npm ntp cloud-utils $ethtype
+sudo apt-get install -y build-essential git unzip wget nodejs npm ntp cloud-utils $ethtype
 
 # add node symlink if it doesn't exist
 [[ ! -f /usr/bin/node ]] && sudo ln -s /usr/bin/nodejs /usr/bin/node
diff --git a/bin/eth.sh b/bin/eth.sh
index 3d45594..11eea28 100644
--- a/bin/eth.sh
+++ b/bin/eth.sh
@@ -1,8 +1,9 @@
 #!/bin/bash
+IP=$(ec2metadata --public-ipv4)
 trap "exit" INT
 if [[ -f /usr/bin/geth ]];
 then
-	geth -rpc -rpcport "8080" -maxpeers "20" -loglevel "3" -bootnodes "enode://09fbeec0d047e9a37e63f60f8618aa9df0e49271f3fadb2c070dc09e2099b95827b63a8b837c6fd01d0802d457dd83e3bd48bd3e6509f8209ed90dabbc30e3d3@52.16.188.185:30303"
+	geth -rpc -rpcport "8080" -maxpeers "50" -loglevel "4" -bootnodes "enode://09fbeec0d047e9a37e63f60f8618aa9df0e49271f3fadb2c070dc09e2099b95827b63a8b837c6fd01d0802d457dd83e3bd48bd3e6509f8209ed90dabbc30e3d3@52.16.188.185:30303" -nat "extip:$IP"
 else
-	eth -b -x 20 -r 52.16.188.185 -p 30303 -m off -v 4 -j
+	eth -b -x 50 -r 52.16.188.185 -p 30303 -m off -v 4 -j -u $IP
 fi
\ No newline at end of file
diff --git a/lib/node.js b/lib/node.js
index c65f2e9..1ca91ec 100644
--- a/lib/node.js
+++ b/lib/node.js
@@ -20,6 +20,7 @@ Socket = Primus.createSocket({
 	transformer: 'websockets',
 	pathname: '/api',
 	timeout: 10000,
+	strategy: 'disconnect,online',
 	plugin: {emitter: Emitter, sparkLatency: Latency}
 });
 
@@ -35,6 +36,7 @@ var PENDING_WORKS = true;
 var MAX_BLOCKS_HISTORY = 36;
 var UPDATE_INTERVAL = 5000;
 var PING_INTERVAL = 2000;
+var MINERS_LIMIT = 5;
 
 function Node()
 {
@@ -75,6 +77,7 @@ function Node()
 		txDensity: [],
 		blockTimes: [],
 		gasSpending: [],
+		miners: [],
 		uptime: 0,
 		errors: []
 	};
@@ -234,11 +237,12 @@ Node.prototype.getLatestBlocks = function()
 	this.stats.difficulty = this.difficultyChart();
 	this.stats.txDensity = this.txDensityChart();
 	this.stats.gasSpending = this.gasSpendingChart();
+	this.stats.miners = this.minersChart();
 }
 
 Node.prototype.addBlockHistory = function(block)
 {
-	if(this.blocks.length === 0 || block.number !== this.blocks[0].number)
+	if(this.blocks.length === 0 || (block !== null && block.number !== this.blocks[0].number))
 	{
 		if(this.blocks.length === MAX_BLOCKS_HISTORY)
 		{
@@ -296,6 +300,24 @@ Node.prototype.gasSpendingChart = function()
 	});
 }
 
+Node.prototype.minersChart = function()
+{
+	var miners = _.countBy(this.blocks, function(block)
+	{
+		return block.miner;
+	});
+
+	var minersArray = [];
+
+	_.forEach(miners, function(cnt, miner) {
+		minersArray.push({miner: miner, blocks: cnt});
+	});
+
+	var minersArray = _.sortBy(minersArray, 'blocks').reverse();
+
+	return minersArray.slice(0, MINERS_LIMIT);
+}
+
 Node.prototype.uptime = function()
 {
 	this.stats.uptime = ((this._tries - this._down) / this._tries) * 100;