diff --git a/htdocs/blockedlog/admin/blockedlog_list.php b/htdocs/blockedlog/admin/blockedlog_list.php
index 266b8579142..ec9994d0f5f 100644
--- a/htdocs/blockedlog/admin/blockedlog_list.php
+++ b/htdocs/blockedlog/admin/blockedlog_list.php
@@ -236,8 +236,9 @@ if ($action === 'downloadblockchain') {
 	}
 
 	if (!$error) {
-		// Now restart request with all data = no limit(1) in sql request
-		$sql = "SELECT rowid, date_creation, tms, user_fullname, action, amounts, element, fk_object, date_object, ref_object, signature, fk_user, object_data, object_version, debuginfo";
+		// Now restart request with all data, si without the limit(1) in sql request
+		$sql = "SELECT rowid, date_creation, tms, user_fullname, action, amounts, element, fk_object, date_object, ref_object,";
+		$sql .= " signature, fk_user, object_data, object_version, object_format, debuginfo";
 		$sql .= " FROM ".MAIN_DB_PREFIX."blockedlog";
 		$sql .= " WHERE entity = ".((int) $conf->entity);
 		if (GETPOSTINT('monthtoexport') > 0 || GETPOSTINT('yeartoexport') > 0) {
@@ -280,21 +281,43 @@ if ($action === 'downloadblockchain') {
 				// We set here all data used into signature calculation (see checkSignature method) and more
 				// IMPORTANT: We must have here, the same rule for transformation of data than into the fetch method (db->jdate for date, ...)
 				$block_static->id = $obj->rowid;
-				$block_static->date_creation = $db->jdate($obj->date_creation);
-				$block_static->date_modification = $db->jdate($obj->tms);
+				$block_static->entity = $obj->entity;
+
+
+				$block_static->date_creation = $db->jdate($obj->date_creation);		// TODO Use gmt
+
+				$block_static->amounts = (float) $obj->amounts;						// Database store value with 8 digits, we cut ending 0 them with (flow)
+				$block_static->vat = $obj->vat;
+
 				$block_static->action = $obj->action;
-				$block_static->fk_object = $obj->fk_object;
-				$block_static->element = $obj->element;
-				$block_static->amounts = (float) $obj->amounts;
+				$block_static->date_object = $db->jdate($obj->date_object);			// TODO Use gmt ?
 				$block_static->ref_object = $obj->ref_object;
-				$block_static->date_object = $db->jdate($obj->date_object);
+
 				$block_static->user_fullname = $obj->user_fullname;
-				$block_static->fk_user = $obj->fk_user;
-				$block_static->signature = $obj->signature;
+
 				$block_static->object_data = $block_static->dolDecodeBlockedData($obj->object_data);
-				$block_static->object_version = $obj->object_version;
+
+				// Old hash + Previous fields concatenated = signature
+				$block_static->signature = $obj->signature;
+
+				$block_static->element = $obj->element;								// Not in signature
+				$block_static->fk_object = $obj->fk_object;							// Not in signature
+
+				$block_static->fk_user = $obj->fk_user;								// Not in signature
+
+				$block_static->date_modification = $db->jdate($obj->tms);			// Not in signature
+				$block_static->object_version = $obj->object_version;				// Not in signature
+				$block_static->object_format = $obj->object_format;					// Not in signature
+
+				$block_static->signature_line = $obj->signature_line;
+				$block_static->certified = ($obj->certified == 1);
+
+				$block_static->linktoref = $obj->linktoref;
+				$block_static->linktype = $obj->linktype;
+
 				$block_static->debuginfo = $obj->debuginfo;
 
+				//var_dump($block->id.' '.$block->signature, $block->object_data);
 				$checksignature = $block_static->checkSignature($previoushash); // If $previoushash is not defined, checkSignature will search it
 
 				if ($checksignature) {
@@ -313,21 +336,22 @@ if ($action === 'downloadblockchain') {
 				if ($i == 0) {
 					$statusofrecordnote = $langs->trans("PreviousFingerprint").': '.$previoushash.($statusofrecordnote ? ' - '.$statusofrecordnote : '');
 				}
-				fwrite($fh, $obj->rowid
-					.';'.$obj->date_creation
-					.';"'.str_replace('"', '""', $obj->user_fullname).'";'
-					.$obj->action
-					.';'.$obj->element
-					.';'.$obj->amounts
-					.';'.$obj->fk_object
-					.';'.$obj->date_object
-					.';"'.str_replace('"', '""', $obj->ref_object).'";'
-					.$obj->signature
-					.';'.$statusofrecord
+
+				fwrite($fh, $block_static->id
+					.';'.$block_static->date_creation
+					.';"'.str_replace('"', '""', $block_static->user_fullname).'";'
+					.$block_static->action
+					.';'.$block_static->element
+					.';'.$block_static->amounts			// Can be 1.20000000 with 8 digits. TODO Clean to have 8 digits in V1
+					.';'.$block_static->fk_object
+					.';'.$block_static->date_object
+					.';"'.str_replace('"', '""', $block_static->ref_object).'";"'
+					.$block_static->signature.'";'
+					.$statusofrecord
 					.';'.$statusofrecordnote
-					.';'.$obj->object_version
-					.';"'.str_replace('"', '""', $obj->object_data).'";'
-					.str_replace('"', '""', $obj->debuginfo).'"'
+					.';'.$block_static->object_version
+					.';"'.str_replace('"', '""', $obj->object_data).'"'				// We must the string to decode into object with dolDecodeBlockedData
+					.';"'.str_replace('"', '""', $block_static->debuginfo).'"'
 					."\n");
 
 				// Set new previous hash for next fetch
@@ -593,9 +617,10 @@ if (getDolGlobalString('BLOCKEDLOG_SCAN_ALL_FOR_LOWERIDINERROR')) {
 	// TODO Make a full scan of table in reverse order of id of $block, so we can use the parameter $previoushash into checkSignature to save requests
 	// to find the $loweridinerror.
 } else {
-	// This is version that optimize the memory (but will not report errors that are outside the filter range)
+	// This is version that optimize the memory (note: it will not report errors that are outside the filter range)
 	if (is_array($blocks)) {
 		foreach ($blocks as &$block) {
+			//var_dump($block->id.' '.$block->signature, $block->object_data);
 			$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'];
diff --git a/htdocs/blockedlog/class/blockedlog.class.php b/htdocs/blockedlog/class/blockedlog.class.php
index 37bff34be4b..4b568428fb4 100644
--- a/htdocs/blockedlog/class/blockedlog.class.php
+++ b/htdocs/blockedlog/class/blockedlog.class.php
@@ -77,12 +77,27 @@ class BlockedLog
 	 */
 	public $amounts = null;
 
+	/**
+	 * @var float|string|null
+	 */
+	public $vat = null;
+
 	/**
 	 * trigger action
 	 * @var string
 	 */
 	public $action = '';
 
+	/**
+	 * @var string $linktype. Example 'paymentofinvoice'
+	 */
+	public $linktype = '';
+
+	/**
+	 * @var string $linkref
+	 */
+	public $linkref = '';
+
 	/**
 	 * Object element
 	 * @var string
@@ -862,15 +877,15 @@ class BlockedLog
 				$this->id 				= $obj->rowid;
 				$this->entity 			= $obj->entity;
 
-				$this->date_creation 	= $this->db->jdate($obj->date_creation);
-				$this->date_modification = $this->db->jdate($obj->tms);
+				$this->date_creation 	= $this->db->jdate($obj->date_creation);	// TODO Use gmt ?
+				$this->date_modification = $this->db->jdate($obj->tms);				// TODO Use gmt ?
 
 				$this->amounts			= (float) $obj->amounts;
 				$this->action 			= $obj->action;
 				$this->element			= $obj->element;
 
 				$this->fk_object = $obj->fk_object;
-				$this->date_object = $this->db->jdate($obj->date_object);
+				$this->date_object = $this->db->jdate($obj->date_object);			// TODO Use gmt ?
 				$this->ref_object = $obj->ref_object;
 
 				$this->fk_user = $obj->fk_user;
@@ -1102,7 +1117,7 @@ class BlockedLog
 
 		//$signature_line = dol_hash($concatenatedata, '5'); // Not really useful
 		$signature = dol_hash($previoushash.$concatenatedata, 'sha256');
-		//var_dump($previoushash); var_dump($concatenatedata); var_dump($signature_line); var_dump($signature);
+
 
 		$res = ($signature === $this->signature);