diff --git a/include/classes/tools.class.php b/include/classes/tools.class.php
index c26f2a6b..19f4ce0e 100644
--- a/include/classes/tools.class.php
+++ b/include/classes/tools.class.php
@@ -77,6 +77,8 @@ class Tools extends Base {
       return 'btce';
     } else if (preg_match('/cryptsy.com/', $url)) {
       return 'cryptsy';
+    } else if (preg_match('/cryptopia.co.nz/', $url)) {
+     return 'cryptopia';
     } else if (preg_match('/cryptorush.in/', $url)) {
       return 'cryptorush';
     } else if (preg_match('/mintpal.com/', $url)) {
@@ -114,6 +116,9 @@ class Tools extends Base {
       	case 'cryptsy':
       	  return @$aData['return']['markets'][$strCurrency]['lasttradeprice'];
       	  break;
+        case 'cryptopia':
+      	  return @$aData['Data']['LastPrice'];
+      	  break;
       	case 'cryptorush':
       	  return @$aData["$strCurrency/" . $this->config['price']['currency']]['last_trade'];
       	  break;
diff --git a/include/config/admin_settings.inc.php b/include/config/admin_settings.inc.php
index 9b88597e..3dd2a4da 100644
--- a/include/config/admin_settings.inc.php
+++ b/include/config/admin_settings.inc.php
@@ -197,21 +197,21 @@ $aSettings['statistics'][] = array(
 );
 $aSettings['statistics'][] = array(
   'display' => 'Pool Hashrate Modifier', 'type' => 'select',
-  'options' => array( '1' => 'KH/s', '0.001' => 'MH/s', '0.000001' => 'GH/s', '0.000000001' => 'TH/s' ),
+  'options' => array( '1' => 'KH/s', '0.001' => 'MH/s', '0.000001' => 'GH/s', '0.000000001' => 'TH/s', '0.000000000001' => 'PH/s', '0.000000000000001' => 'EH/s' ),
   'default' => '1',
   'name' => 'statistics_pool_hashrate_modifier', 'value' => $setting->getValue('statistics_pool_hashrate_modifier'),
   'tooltip' => 'Auto-adjust displayed pool hashrates to a certain limit.'
 );
 $aSettings['statistics'][] = array(
   'display' => 'Network Hashrate Modifier', 'type' => 'select',
-  'options' => array( '1' => 'KH/s', '0.001' => 'MH/s', '0.000001' => 'GH/s', '0.000000001' => 'TH/s' ),
+  'options' => array( '1' => 'KH/s', '0.001' => 'MH/s', '0.000001' => 'GH/s', '0.000000001' => 'TH/s', '0.000000000001' => 'PH/s', '0.000000000000001' => 'EH/s' ),
   'default' => '1',
   'name' => 'statistics_network_hashrate_modifier', 'value' => $setting->getValue('statistics_network_hashrate_modifier'),
   'tooltip' => 'Auto-adjust displayed network hashrates to a certain limit.'
 );
 $aSettings['statistics'][] = array(
   'display' => 'Personal Hashrate Modifier', 'type' => 'select',
-  'options' => array( '1' => 'KH/s', '0.001' => 'MH/s', '0.000001' => 'GH/s', '0.000000001' => 'TH/s' ),
+  'options' => array( '1' => 'KH/s', '0.001' => 'MH/s', '0.000001' => 'GH/s', '0.000000001' => 'TH/s', '0.000000000001' => 'PH/s', '0.000000000000001' => 'EH/s' ),
   'default' => '1',
   'name' => 'statistics_personal_hashrate_modifier', 'value' => $setting->getValue('statistics_personal_hashrate_modifier'),
   'tooltip' => 'Auto-adjust displayed personal hashrates to a certain limit.'
diff --git a/include/smarty_globals.inc.php b/include/smarty_globals.inc.php
index f4d5e3b8..b0179f08 100644
--- a/include/smarty_globals.inc.php
+++ b/include/smarty_globals.inc.php
@@ -47,7 +47,7 @@ if (! $statistics_ajax_refresh_interval = $setting->getValue('statistics_ajax_re
 if (! $statistics_ajax_long_refresh_interval = $setting->getValue('statistics_ajax_long_refresh_interval')) $statistics_ajax_long_refresh_interval = 10;
 
 // Small helper array
-$aHashunits = array( '1' => 'KH/s', '0.001' => 'MH/s', '0.000001' => 'GH/s', '0.000000001' => 'TH/s' );
+$aHashunits = array( '1' => 'KH/s', '0.001' => 'MH/s', '0.000001' => 'GH/s', '0.000000001' => 'TH/s', '0.000000000001' => 'PH/s', '0.000000000000001' => 'EH/s' );
 
 // Global data for Smarty
 $aGlobal = array(
diff --git a/sql/000_base_structure.sql b/sql/000_base_structure.sql
index 8466915b..839789eb 100644
--- a/sql/000_base_structure.sql
+++ b/sql/000_base_structure.sql
@@ -182,10 +182,10 @@ CREATE TABLE IF NOT EXISTS `statistics_shares` (
   `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
   `account_id` int(10) unsigned NOT NULL,
   `block_id` int(10) unsigned NOT NULL,
-  `valid` int(11) NOT NULL,
-  `invalid` int(11) NOT NULL DEFAULT '0',
-  `pplns_valid` int(11) NOT NULL,
-  `pplns_invalid` int(11) NOT NULL DEFAULT '0',
+  `valid` bigint(20) NOT NULL,
+  `invalid` bigint(20) NOT NULL DEFAULT '0',
+  `pplns_valid` bigint(20) NOT NULL,
+  `pplns_invalid` bigint(20) NOT NULL DEFAULT '0',
   PRIMARY KEY (`id`),
   KEY `account_id` (`account_id`),
   KEY `block_id` (`block_id`)