diff --git a/src/cutecoin/gui/views/wot.py b/src/cutecoin/gui/views/wot.py
index 42d684065dbe52e944beb856d3147e36631a3479..e7efa174c30d055dd7dc82be69a1d0900415a658 100644
--- a/src/cutecoin/gui/views/wot.py
+++ b/src/cutecoin/gui/views/wot.py
@@ -124,15 +124,15 @@ class Scene(QGraphicsScene):
         y = 0
         x = 200
         # capture nodes for sorting by text
-        nodes = dict()
+        nodes = list()
         for arc in selected_node['arcs']:
-            nodes[arc['id']] = {'node': graph[arc['id']], 'arc': arc}
+            nodes.append({'node': graph[arc['id']], 'arc': arc})
         # sort by text
-        nodes = ((k, v) for (k, v) in sorted(nodes.items(), key=lambda kv: kv[1]['node']['text'].lower()))
+        nodes = sorted(nodes, key=lambda _node: _node['node']['text'].lower())
         # add nodes and arcs
-        for _id, items in nodes:
-            node = self.add_node(items['node'], (x, y))
-            self.add_arc(root_node, node, items['arc'])
+        for _node in nodes:
+            node = self.add_node(_node['node'], (x, y))
+            self.add_arc(root_node, node, _node['arc'])
             y += 50
 
         # add certifiers of selected node
@@ -142,11 +142,11 @@ class Scene(QGraphicsScene):
         nodes = ((k, v) for (k, v) in sorted(graph.items(), key=lambda kv: kv[1]['text'].lower()) if selected_id in (arc['id'] for arc in v['arcs']))
         # add nodes and arcs
         for _id, certifier_node in nodes:
-            node = self.add_node(certifier_node, (x, y))
             for arc in certifier_node['arcs']:
                 if arc['id'] == selected_id:
+                    node = self.add_node(certifier_node, (x, y))
                     self.add_arc(node, root_node, arc)
-            y += 50
+                    y += 50
 
         self.update()
 
@@ -239,15 +239,15 @@ class Node(QGraphicsEllipseItem):
         # create node context menus
         self.menu = QMenu()
         # action sign identity
-        self.action_sign = QAction('Sign identity', self.scene())
+        self.action_sign = QAction('Certify identity', self.scene())
         self.menu.addAction(self.action_sign)
         self.action_sign.triggered.connect(self.sign_action)
         # action transaction toward identity
-        self.action_transaction = QAction('Send money to identity', self.scene())
+        self.action_transaction = QAction('Send money', self.scene())
         self.menu.addAction(self.action_transaction)
         self.action_transaction.triggered.connect(self.transaction_action)
         # action add identity as contact
-        self.action_contact = QAction('Add identity as contact', self.scene())
+        self.action_contact = QAction('Add as contact', self.scene())
         self.menu.addAction(self.action_contact)
         self.action_contact.triggered.connect(self.contact_action)
         # run menu
diff --git a/src/cutecoin/gui/wot_tab.py b/src/cutecoin/gui/wot_tab.py
index ebc4eeabe0b4cbcd339842474dbfb8ada5abb1cd..ceb936821b03af7b32880711cff31ce69aa11ae6 100644
--- a/src/cutecoin/gui/wot_tab.py
+++ b/src/cutecoin/gui/wot_tab.py
@@ -71,6 +71,15 @@ class WotTabWidget(QWidget, Ui_WotTabWidget):
 
         # add certifiers of uid
         for certifier in certifiers['certifications']:
+            if certifier['pubkey'] not in graph.keys():
+                node_status = (NODE_STATUS_HIGHLIGHTED and (certifier['pubkey'] == self.account.pubkey)) or 0
+                graph[certifier['pubkey']] = {
+                    'id': certifier['pubkey'],
+                    'arcs': list(),
+                    'text': certifier['uid'],
+                    'tooltip': certifier['pubkey'],
+                    'status': node_status
+                }
             if (time.time() - certifier['cert_time']['medianTime']) > self.ARC_STATUS_STRONG_time:
                 arc_status = ARC_STATUS_WEAK
             else:
@@ -82,15 +91,7 @@ class WotTabWidget(QWidget, Ui_WotTabWidget):
                     certifier['cert_time']['medianTime'] + self.signature_validity
                 ).strftime("%Y/%m/%d")
             }
-            if certifier['pubkey'] not in graph.keys():
-                node_status = (NODE_STATUS_HIGHLIGHTED and (certifier['pubkey'] == self.account.pubkey)) or 0
-                graph[certifier['pubkey']] = {
-                    'id': certifier['pubkey'],
-                    'arcs': [arc],
-                    'text': certifier['uid'],
-                    'tooltip': certifier['pubkey'],
-                    'status': node_status
-                }
+            graph[certifier['pubkey']]['arcs'].append(arc)
 
         # add certified by uid
         for certified in self.community.request(bma.wot.CertifiedBy, {'search': public_key})['certifications']:
@@ -167,10 +168,6 @@ class WotTabWidget(QWidget, Ui_WotTabWidget):
         )
 
     def sign_node(self, metadata):
-        # check if identity already certified...
-        for certified in self.community.request(bma.wot.CertifiedBy, {'search': self.account.pubkey})['certifications']:
-            if metadata['id'] == certified['pubkey']:
-                return False
         # open certify dialog
         dialog = CertificationDialog(self.account)
         dialog.edit_pubkey.setText(metadata['id'])