diff --git a/htdocs/blockedlog/admin/blockedlog_list.php b/htdocs/blockedlog/admin/blockedlog_list.php
index 67c6c394815..f618042c994 100644
--- a/htdocs/blockedlog/admin/blockedlog_list.php
+++ b/htdocs/blockedlog/admin/blockedlog_list.php
@@ -261,7 +261,7 @@ if (GETPOST('withtab', 'alpha'))
 
 llxHeader('', $langs->trans("BrowseBlockedLog"));
 
-$MAXLINES = 10000;
+$MAXLINES = 100000;
 
 $blocks = $block_static->getLog('all', 0, $MAXLINES, $sortfield, $sortorder, $search_fk_user, $search_start, $search_end, $search_ref, $search_amount, $search_code);
 if (!is_array($blocks))
@@ -433,12 +433,18 @@ if (!empty($conf->global->BLOCKEDLOG_SCAN_ALL_FOR_LOWERIDINERROR)) {
 	// This is version that optimize the memory (but will not report errors that are outside the filter range)
 	$loweridinerror = 0;
 	$checkresult = array();
+	$checkdetail = array();
 	if (is_array($blocks))
 	{
 		foreach ($blocks as &$block)
 		{
-			$checksignature = $block->checkSignature(); // Note: this make a sql request at each call, we can't avoid this as the sorting order is various
+			$tmpcheckresult = $block->checkSignature('', 1); // Note: this make a sql request at each call, we can't avoid this as the sorting order is various
+
+			$checksignature = $tmpcheckresult['checkresult'];
+
 			$checkresult[$block->id] = $checksignature; // false if error
+			$checkdetail[$block->id] = $tmpcheckresult;
+
 			if (!$checksignature)
 			{
 				if (empty($loweridinerror)) $loweridinerror = $block->id;
@@ -488,7 +494,11 @@ if (is_array($blocks))
 
 		   	// Fingerprint
 		   	print '<td class="nowrap">';
-		   	print $form->textwithpicto(dol_trunc($block->signature, '8'), $block->signature, 1, 'help', '', 0, 2, 'fingerprint'.$block->id);
+		   	$texttoshow = $langs->trans("Fingerprint").' - '.$langs->trans("Saved").':<br>'.$block->signature;
+		   	$texttoshow .= '<br><br>'.$langs->trans("Fingerprint").' - Recalculated sha256(previoushash * data):<br>'.$checkdetail[$block->id]['calculatedsignature'];
+		   	$texttoshow .= '<br><span class="opacitymedium">'.$langs->trans("PreviousHash").'='.$checkdetail[$block->id]['previoushash'].'</span>';
+		   	//$texttoshow .= '<br>keyforsignature='.$checkdetail[$block->id]['keyforsignature'];
+		   	print $form->textwithpicto(dol_trunc($block->signature, '8'), $texttoshow, 1, 'help', '', 0, 2, 'fingerprint'.$block->id);
 		   	print '</td>';
 
 		   	// Status
@@ -500,7 +510,6 @@ if (is_array($blocks))
 		   	} else {
 		   		print img_picto($langs->trans('OkCheckFingerprintValidity'), 'statut4');
 		   	}
-
 		   	print '</td>';
 
 		   	// Note
@@ -520,6 +529,10 @@ if (is_array($blocks))
 			print '</tr>';
 		}
 	}
+
+	if (count($blocks) == 0) {
+		print '<tr><td colspan="12"><span class="opacitymedium">'.$langs->trans("NoRecordFound").'</span></td></tr>';
+	}
 }
 
 print '</table>';
diff --git a/htdocs/blockedlog/class/blockedlog.class.php b/htdocs/blockedlog/class/blockedlog.class.php
index f6402ca3b04..4e32533074a 100644
--- a/htdocs/blockedlog/class/blockedlog.class.php
+++ b/htdocs/blockedlog/class/blockedlog.class.php
@@ -840,10 +840,11 @@ class BlockedLog
 	/**
 	 *	Check if current signature still correct compared to the value in chain
 	 *
-	 *	@param	string		$previoushash		If previous signature hash is known, we can provide it to avoid to make a search of it in database.
-	 *	@return	boolean							True if OK, False if KO
+	 *	@param	string			$previoushash		If previous signature hash is known, we can provide it to avoid to make a search of it in database.
+	 *  @param	int				$returnarray		1=Return array of details, 0=Boolean
+	 *	@return	boolean|array						True if OK, False if KO
 	 */
-	public function checkSignature($previoushash = '')
+	public function checkSignature($previoushash = '', $returnarray = 0)
 	{
 		if (empty($previoushash))
 		{
@@ -852,7 +853,7 @@ class BlockedLog
 		// Recalculate hash
 		$keyforsignature = $this->buildKeyForSignature();
 
-		$signature_line = dol_hash($keyforsignature, '5'); // Not really usefull
+		//$signature_line = dol_hash($keyforsignature, '5'); // Not really usefull
 		$signature = dol_hash($previoushash.$keyforsignature, '5');
 		//var_dump($previoushash); var_dump($keyforsignature); var_dump($signature_line); var_dump($signature);
 
@@ -862,7 +863,11 @@ class BlockedLog
 			$this->error = 'Signature KO';
 		}
 
-		return $res;
+		if ($returnarray) {
+			return array('checkresult' => $res, 'calculatedsignature' => $signature, 'previoushash' => $previoushash, 'keyforsignature'=>$keyforsignature);
+		} else {
+			return $res;
+		}
 	}
 
 	/**
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 61bf5dc87a6..c5b1593cbc5 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -3363,6 +3363,12 @@ function img_picto($titlealt, $picto, $moreatt = '', $pictoisfullpath = false, $
 			} else {
 				$fakey = 'fa-'.$pictowithouttext;
 			}
+			if ($pictowithouttext == 'payment') {
+				$fasize = '0.9em';
+			}
+			if ($pictowithouttext == 'loan') {
+				$fasize = '0.95em';
+			}
 
 			// Define $marginleftonlyshort
 			$arrayconvpictotomarginleftonly = array(