diff --git a/init.js b/init.js
index 3d4feea..1abe554 100644
--- a/init.js
+++ b/init.js
@@ -289,7 +289,7 @@ var spawnPoolWorkers = function(){
                         //var timeChangeTotal = roundTo(Math.max(now - lastStartTime, 0) / 1000, 4);
                         if (timeChangeSec < 900) {
                             // loyal miner keeps mining :)
-                            redisCommands.push(['hincrbyfloat', msg.coin + ':shares:timesCurrent', workerAddress, timeChangeSec]);                            
+                            redisCommands.push(['hincrbyfloat', msg.coin + ':shares:timesCurrent', workerAddress + "." + poolConfigs[msg.coin].poolId, timeChangeSec]);                            
                             //logger.debug('PPLNT', msg.coin, 'Thread '+msg.thread, workerAddress+':{totalTimeSec:'+timeChangeTotal+', timeChangeSec:'+timeChangeSec+'}');
                             connection.multi(redisCommands).exec(function(err, replies){
                                 if (err)
diff --git a/libs/paymentProcessor.js b/libs/paymentProcessor.js
index 1ba7e44..5e24b4d 100644
--- a/libs/paymentProcessor.js
+++ b/libs/paymentProcessor.js
@@ -908,8 +908,31 @@ function SetupForPool(logger, poolOptions, setupFinished){
                                     logger.error(logSystem, logComponent, 'No worker shares for round: ' + round.height + ' blockHash: ' + round.blockHash);
                                     return;
                                 }
-                                var workerTimes = allWorkerTimes[i];
-                                                               
+                                var workerTimesWithPoolIds = allWorkerTimes[i];
+                                var workerTimes = {};
+                                var maxTime = 0;
+                                if (pplntEnabled === true) {
+	                                for (var workerAddressWithPoolId in workerTimesWithPoolIds){
+                                        var workerWithoutPoolId = workerAddressWithPoolId.split('.')[0];
+                                        var workerTimeFloat = parseFloat(workerTimesWithPoolIds[workerAddressWithPoolId]);
+                                        if (maxTime < workerTimeFloat) {
+                                            maxTime = workerTimeFloat;
+                                        }
+	                                    if (!(workerWithoutPoolId in workerTimes)) {
+	                                        workerTimes[workerWithoutPoolId] = workerTimeFloat;
+	                                    } else {
+                                            // add time from other instances with penalty
+	                                        if (workerTimes[workerWithoutPoolId] < workerTimeFloat) {
+	                                            workerTimes[workerWithoutPoolId] = workerTimes[workerWithoutPoolId] * 0.5 + workerTimeFloat;
+	                                        } else {
+                                                workerTimes[workerWithoutPoolId] = workerTimes[workerWithoutPoolId] + workerTimeFloat * 0.5; 
+                                            }
+                                            if (workerTimes[workerWithoutPoolId] > maxTime) {
+                                                workerTimes[workerWithoutPoolId] = maxTime;
+                                            }
+	                                    }
+	                                }
+                                }
                                 switch (round.category){
                                     case 'kicked':
                                     case 'orphan':
@@ -926,12 +949,6 @@ function SetupForPool(logger, poolOptions, setupFinished){
                                         // adjust block immature .. tx fees
                                         immature = Math.round(immature - feeSatoshi);
                                         
-                                        // find most time spent in this round by single worker
-                                        maxTime = 0;
-                                        for (var workerAddress in workerTimes){
-                                            if (maxTime < parseFloat(workerTimes[workerAddress]))
-                                                maxTime = parseFloat(workerTimes[workerAddress]);
-                                        }
                                         // total up shares for round
                                         for (var workerAddress in workerShares){
                                             var worker = workers[workerAddress] = (workers[workerAddress] || {});
@@ -984,12 +1001,6 @@ function SetupForPool(logger, poolOptions, setupFinished){
                                         // adjust block reward .. tx fees
                                         reward = Math.round(reward - feeSatoshi);
                                         
-                                        // find most time spent in this round by single worker
-                                        maxTime = 0;
-                                        for (var workerAddress in workerTimes){
-                                            if (maxTime < parseFloat(workerTimes[workerAddress]))
-                                                maxTime = parseFloat(workerTimes[workerAddress]);
-                                        }
                                         // total up shares for round
                                         for (var workerAddress in workerShares){
                                             var worker = workers[workerAddress] = (workers[workerAddress] || {});
diff --git a/libs/stats.js b/libs/stats.js
index 496c49d..e2d568d 100644
--- a/libs/stats.js
+++ b/libs/stats.js
@@ -616,12 +616,10 @@ module.exports = function(logger, portalConfig, poolConfigs){
                 }
                 for (var worker in coinStats.currentRoundTimes) {
                     var time = parseFloat(coinStats.currentRoundTimes[worker]);
-                    if (_maxTimeShare < time)
-                        _maxTimeShare = time;
-                    
-                    var miner = worker.split(".")[0];
-                    if (miner in coinStats.miners) {
-                        coinStats.miners[miner].currRoundTime += parseFloat(coinStats.currentRoundTimes[worker]);
+                    if (_maxTimeShare < time) { _maxTimeShare = time; }
+                    var miner = worker.split(".")[0];	// split poolId from minerAddress
+                    if (miner in coinStats.miners && coinStats.miners[miner].currRoundTime < time) {
+                        coinStats.miners[miner].currRoundTime = time;
                     }
                 }
 
@@ -636,6 +634,10 @@ module.exports = function(logger, portalConfig, poolConfigs){
 					coinStats.workers[worker].luckHours = ((_networkHashRate / _wHashRate * _blocktime) / (60 * 60)).toFixed(3);
 					coinStats.workers[worker].hashrate = _workerRate;
 					coinStats.workers[worker].hashrateString = _this.getReadableHashRateString(_workerRate);
+					var miner = worker.split('.')[0];
+					if (miner in coinStats.miners) {
+						coinStats.workers[worker].currRoundTime = coinStats.miners[miner].currRoundTime;
+					}
                 }
 				for (var miner in coinStats.miners) {
 					var _workerRate = shareMultiplier * coinStats.miners[miner].shares / portalConfig.website.stats.hashrateWindow;
diff --git a/pool_configs/zen_example.json b/pool_configs/zen_example.json
index 96e8e9a..33a9662 100644
--- a/pool_configs/zen_example.json
+++ b/pool_configs/zen_example.json
@@ -54,6 +54,9 @@
             }
         }
     },
+    
+    "poolId": "main",
+    "_comment_poolId": "use it for region identification: eu, us, asia or keep default if you have one stratum instance for one coin",
 
     "daemons": [
         {