diff --git a/cronjobs/pplns_payout.php b/cronjobs/pplns_payout.php
index 5f1840b7..832f6e59 100755
--- a/cronjobs/pplns_payout.php
+++ b/cronjobs/pplns_payout.php
@@ -39,8 +39,8 @@ if (empty($aAllBlocks)) {
 }
 
 // Fetch precision
-$precision = $setting->getValue('system_coin_precision', 12);
-$table_precision = $setting->getValue('system_coin_precision', 12) + 3;
+$precision = $coin->getCoinValuePrevision();
+$table_precision = $coin->getCoinValuePrevision() + 3;
 
 $log->logDebug('Starting PPLNS payout process');
 $count = 0;
diff --git a/cronjobs/pps_payout.php b/cronjobs/pps_payout.php
index deeeb095..f35f1560 100755
--- a/cronjobs/pps_payout.php
+++ b/cronjobs/pps_payout.php
@@ -89,8 +89,8 @@ $log->logInfo("\tQuery Completed...");
 
 if (!empty($aAccountShares)) {
   // Runtime information for this payout
-  $precision = $setting->getValue('system_coin_precision', 12);
-  $table_precision = $setting->getValue('system_coin_precision', 12) + 3;
+  $precision = $coin->getCoinValuePrevision();
+  $table_precision = $coin->getCoinValuePrevision() + 3;
   $log->logInfo('Runtime information for this payout');
   $strLogMask = "| %-15.15s | %15.15s | %15.15s | %${table_precision}.${table_precision}s | %3.3s |";
   $log->logInfo(sprintf($strLogMask, 'PPS reward type', 'Reward Base', 'Difficulty', 'PPS Value', 'Precision'));
diff --git a/cronjobs/proportional_payout.php b/cronjobs/proportional_payout.php
index 95daf0ff..faf4e53a 100755
--- a/cronjobs/proportional_payout.php
+++ b/cronjobs/proportional_payout.php
@@ -39,8 +39,8 @@ if (empty($aAllBlocks)) {
 }
 
 // Fetch precision
-$precision = $setting->getValue('system_coin_precision', 12);
-$table_precision = $setting->getValue('system_coin_precision', 12) + 3;
+$precision = $coin->getCoinValuePrevision();
+$table_precision = $coin->getCoinValuePrevision() + 3;
 
 $count = 0;
 // Table header for account shares
diff --git a/include/classes/coins/coin_base.class.php b/include/classes/coins/coin_base.class.php
index b9242822..ab84c311 100644
--- a/include/classes/coins/coin_base.class.php
+++ b/include/classes/coins/coin_base.class.php
@@ -15,6 +15,9 @@ class CoinBase extends Base {
   // Our coins share difficulty precision
   protected $share_difficulty_precision = 0;
 
+  // Our coin value precision, mostly used on frontend
+  protected $coin_value_precision = 8;
+
   /**
    * Read our target bits
    **/
@@ -22,6 +25,13 @@ class CoinBase extends Base {
     return $this->target_bits;
   }
 
+  /**
+   * Read our coin value precision
+   **/
+  public function getCoinValuePrevision() {
+    return $this->coin_value_precision;
+  }
+
   /**
    * Read our share difficulty precision
    **/
diff --git a/include/classes/coins/coin_sha256d.class.php b/include/classes/coins/coin_sha256d.class.php
index 1147770e..2b830263 100644
--- a/include/classes/coins/coin_sha256d.class.php
+++ b/include/classes/coins/coin_sha256d.class.php
@@ -8,6 +8,7 @@ $defflip = (!cfip()) ? exit(header('HTTP/1.1 401 Unauthorized')) : 1;
  **/
 class Coin extends CoinBase {
   protected $target_bits = 32;
+  protected $coin_value_precision = 20;
 }
 
 ?>
diff --git a/include/classes/transaction.class.php b/include/classes/transaction.class.php
index 0b3abf3e..194ca486 100644
--- a/include/classes/transaction.class.php
+++ b/include/classes/transaction.class.php
@@ -16,7 +16,7 @@ class Transaction extends Base {
    * @return bool
    **/
   public function addTransaction($account_id, $amount, $type='Credit', $block_id=NULL, $coin_address=NULL, $txid=NULL) {
-    $amount = number_format($amount, $this->setting->getValue('system_coin_precision', 12), '.', '');
+    $amount = number_format($amount, $this->coin->getCoinValuePrevision(), '.', '');
     $stmt = $this->mysqli->prepare("INSERT INTO $this->table (account_id, amount, block_id, type, coin_address, txid) VALUES (?, ?, ?, ?, ?, ?)");
     if ($this->checkStmt($stmt) && $stmt->bind_param("isisss", $account_id, $amount, $block_id, $type, $coin_address, $txid) && $stmt->execute()) {
       $this->insert_id = $stmt->insert_id;
@@ -480,6 +480,7 @@ $transaction->setMemcache($memcache);
 $transaction->setNotification($notification);
 $transaction->setSetting($setting);
 $transaction->setDebug($debug);
+$transaction->setCoin($coin);
 $transaction->setCoinAddress($coin_address);
 $transaction->setMysql($mysqli);
 $transaction->setConfig($config);
diff --git a/include/config/admin_settings.inc.php b/include/config/admin_settings.inc.php
index 32cd082e..475c2448 100644
--- a/include/config/admin_settings.inc.php
+++ b/include/config/admin_settings.inc.php
@@ -308,13 +308,6 @@ $aSettings['system'][] = array(
   'name' => 'system_error_email', 'value' => $setting->getValue('system_error_email'),
   'tooltip' => 'The email address for system errors notifications, like cronjobs failures.'
 );
-$aSettings['system'][] = array(
-  'display' => 'Coin Precision', 'type' => 'text',
-  'size' => 5,
-  'default' => '12',
-  'name' => 'system_coin_precision', 'value' => $setting->getValue('system_coin_precision'),
-  'tooltip' => 'How do we round any coin values throughout MPOS. Defaults to 12 digits.'
-);
 $aSettings['system'][] = array(
   'display' => 'Date format string', 'type' => 'text',
   'size' => 25,
diff --git a/include/pages/dashboard.inc.php b/include/pages/dashboard.inc.php
index 519d7667..56747bea 100644
--- a/include/pages/dashboard.inc.php
+++ b/include/pages/dashboard.inc.php
@@ -49,7 +49,7 @@ if ($user->isAuthenticated()) {
   }
 
   // Make it available in Smarty
-  $smarty->assign('PRECISION', $setting->getValue('system_coin_precision', 12));
+  $smarty->assign('PRECISION', $coin->getCoinValuePrevision());
   $smarty->assign('BLOCKSFOUND', $aLastBlocks);
   $smarty->assign('DISABLED_DASHBOARD', $setting->getValue('disable_dashboard'));
   $smarty->assign('DISABLED_DASHBOARD_API', $setting->getValue('disable_dashboard_api'));
diff --git a/include/smarty_globals.inc.php b/include/smarty_globals.inc.php
index e2785a4e..8cd45a77 100644
--- a/include/smarty_globals.inc.php
+++ b/include/smarty_globals.inc.php
@@ -177,7 +177,7 @@ if (@$_SESSION['USERDATA']['id']) {
   case 'pps':
     $aGlobal['userdata']['pps']['unpaidshares'] = $statistics->getUserUnpaidPPSShares($_SESSION['USERDATA']['username'], $_SESSION['USERDATA']['id'], $setting->getValue('pps_last_share_id'));
     // We use coin precision + 8 to display PPS value
-    $aGlobal['ppsvalue'] = number_format($statistics->getPPSValue(), $setting->getValue('system_coin_precision', 12) + 8);
+    $aGlobal['ppsvalue'] = number_format($statistics->getPPSValue(), $coin->getCoinValuePrevision() + 8);
     $aGlobal['poolppsvalue'] = $aGlobal['ppsvalue'] * pow(2, $config['difficulty'] - 16);
     $aGlobal['userdata']['estimates'] = $statistics->getUserEstimates($aGlobal['userdata']['sharerate'], $aGlobal['userdata']['sharedifficulty'], $aGlobal['userdata']['donate_percent'], $aGlobal['userdata']['no_fees'], $aGlobal['ppsvalue']);
     break;
diff --git a/include/version.inc.php b/include/version.inc.php
index a4e0d533..2b7ea18a 100644
--- a/include/version.inc.php
+++ b/include/version.inc.php
@@ -2,7 +2,7 @@
 $defflip = (!cfip()) ? exit(header('HTTP/1.1 401 Unauthorized')) : 1;
 
 define('MPOS_VERSION', '0.0.4');
-define('DB_VERSION', '0.0.12');
+define('DB_VERSION', '0.0.13');
 define('CONFIG_VERSION', '0.0.8');
 define('HASH_VERSION', 1);
 
diff --git a/sql/000_base_structure.sql b/sql/000_base_structure.sql
index f007ca55..f4ddebcf 100644
--- a/sql/000_base_structure.sql
+++ b/sql/000_base_structure.sql
@@ -226,7 +226,7 @@ CREATE TABLE IF NOT EXISTS `transactions` (
   `account_id` int(255) unsigned NOT NULL,
   `type` varchar(25) DEFAULT NULL,
   `coin_address` varchar(255) DEFAULT NULL,
-  `amount` double(50,30) DEFAULT '0',
+  `amount` decimal(50,30) DEFAULT '0',
   `block_id` int(255) DEFAULT NULL,
   `timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
   `txid` varchar(256) DEFAULT NULL,
diff --git a/templates/bootstrap/dashboard/js/api.tpl b/templates/bootstrap/dashboard/js/api.tpl
index 07344d74..9e4a9d54 100644
--- a/templates/bootstrap/dashboard/js/api.tpl
+++ b/templates/bootstrap/dashboard/js/api.tpl
@@ -141,11 +141,11 @@ $(document).ready(function(){
 {/literal}{else}{literal}
     $('#b-ppsunpaid').html(number_format(data.getdashboarddata.data.personal.shares.unpaid));
     $('#b-ppsdiff').html(number_format(data.getdashboarddata.data.personal.sharedifficulty, 2));
-    $('#b-est1').html(number_format(data.getdashboarddata.data.personal.estimates.hours1, 12));
-    $('#b-est24hours').html(number_format(data.getdashboarddata.data.personal.estimates.hours24, 12));
-    $('#b-est7days').html(number_format(data.getdashboarddata.data.personal.estimates.days7, 12));
-    $('#b-est14days').html(number_format(data.getdashboarddata.data.personal.estimates.days14, 12));
-    $('#b-est30days').html(number_format(data.getdashboarddata.data.personal.estimates.days30, 12));
+    $('#b-est1').html(number_format(data.getdashboarddata.data.personal.estimates.hours1, {/literal}{$PRECISION}{literal}));
+    $('#b-est24hours').html(number_format(data.getdashboarddata.data.personal.estimates.hours24, {/literal}{$PRECISION}{literal}));
+    $('#b-est7days').html(number_format(data.getdashboarddata.data.personal.estimates.days7, {/literal}{$PRECISION}{literal}));
+    $('#b-est14days').html(number_format(data.getdashboarddata.data.personal.estimates.days14, {/literal}{$PRECISION}{literal}));
+    $('#b-est30days').html(number_format(data.getdashboarddata.data.personal.estimates.days30, {/literal}{$PRECISION}{literal}));
 {/literal}{/if}{literal}
 {/literal}{if $GLOBAL.config.payout_system == 'pplns'}{literal}
     $('#b-pplns').html({/literal}{$GLOBAL.pplns.target}{literal});
diff --git a/templates/bootstrap/dashboard/round_statistics/pps/round.tpl b/templates/bootstrap/dashboard/round_statistics/pps/round.tpl
index 14ab1584..7fc95e6c 100644
--- a/templates/bootstrap/dashboard/round_statistics/pps/round.tpl
+++ b/templates/bootstrap/dashboard/round_statistics/pps/round.tpl
@@ -7,7 +7,7 @@
               </div>
               <div class="circle-tile-content lightblue">
                 <div class="circle-tile-description text-faded">
-                  <p class="h5" id="b-est1">{$GLOBAL.userdata.estimates.hours1|number_format:12}</p>
+                  <p class="h5" id="b-est1">{$GLOBAL.userdata.estimates.hours1|number_format:$PRECISION}</p>
                 </div>
                 <div class="circle-tile-number text-faded">
                   <p class="h6">{$GLOBAL.config.currency} 1 Hour Estimated Earnings</p>
@@ -22,7 +22,7 @@
               </div>
               <div class="circle-tile-content lightblue">
                 <div class="circle-tile-description text-faded">
-                  <p class="h5" id="b-est24hours">{$GLOBAL.userdata.estimates.hours24|number_format:12}</p>
+                  <p class="h5" id="b-est24hours">{$GLOBAL.userdata.estimates.hours24|number_format:$PRECISION}</p>
                 </div>
                 <div class="circle-tile-number text-faded">
                   <p class="h6">{$GLOBAL.config.currency} 24 Hour Estimated Earnings</p>
@@ -37,7 +37,7 @@
               </div>
               <div class="circle-tile-content lightblue">
                 <div class="circle-tile-description text-faded">
-                  <p class="h5" id="b-est7days">{$GLOBAL.userdata.estimates.days7|number_format:12}</p>
+                  <p class="h5" id="b-est7days">{$GLOBAL.userdata.estimates.days7|number_format:$PRECISION}</p>
                 </div>
                 <div class="circle-tile-number text-faded">
                   <p class="h6">{$GLOBAL.config.currency} 7 Days Estimated Earnings</p>
@@ -52,7 +52,7 @@
               </div>
               <div class="circle-tile-content lightblue">
                 <div class="circle-tile-description text-faded">
-                  <p class="h5" id="b-est14days">{$GLOBAL.userdata.estimates.days14|number_format:12}</p>
+                  <p class="h5" id="b-est14days">{$GLOBAL.userdata.estimates.days14|number_format:$PRECISION}</p>
                 </div>
                 <div class="circle-tile-number text-faded">
                   <p class="h6">{$GLOBAL.config.currency} 14 Days Estimated Earnings</p>
@@ -67,7 +67,7 @@
               </div>
               <div class="circle-tile-content lightblue">
                 <div class="circle-tile-description text-faded">
-                  <p class="h5" id="b-est30days">{$GLOBAL.userdata.estimates.days30|number_format:12}</p>
+                  <p class="h5" id="b-est30days">{$GLOBAL.userdata.estimates.days30|number_format:$PRECISION}</p>
                 </div>
                 <div class="circle-tile-number text-faded">
                   <p class="h6">{$GLOBAL.config.currency} 30 Days Estimated Earnings</p>
diff --git a/upgrade/definitions/0.0.12_to_0.0.13.inc.php b/upgrade/definitions/0.0.12_to_0.0.13.inc.php
index b81b87ce..6c198bb9 100644
--- a/upgrade/definitions/0.0.12_to_0.0.13.inc.php
+++ b/upgrade/definitions/0.0.12_to_0.0.13.inc.php
@@ -1,5 +1,5 @@
 <?php
-function run_0012() {
+function run_0013() {
   // Ugly but haven't found a better way
   global $setting, $config, $user, $mysqli, $transaction;
 
@@ -9,7 +9,7 @@ function run_0012() {
   $db_version_now = $setting->getValue('DB_VERSION');  // Our actual version installed
 
   // Upgrade specific variables
-  $aSql[] = "ALTER TABLE " . $transaction->getTableName() . " CHANGE `amount` `amount` DOUBLE(60,30) NULL DEFAULT '0'";
+  $aSql[] = "ALTER TABLE " . $transaction->getTableName() . " CHANGE `amount` `amount` DECIMAL(50,30) NULL DEFAULT '0'";
   $aSql[] = "UPDATE " . $setting->getTableName() . " SET value = '0.0.13' WHERE name = 'DB_VERSION'";
 
   if ($db_version_now == $db_version_old && version_compare($db_version_now, DB_VERSION, '<')) {