diff --git a/src/sakia/data/graphs/base_graph.py b/src/sakia/data/graphs/base_graph.py
index 81b7a93a8fc978361462659831f7f82281c27dc6..05d64ac49946e4ef92dfe04456cc54df3a7a70b0 100644
--- a/src/sakia/data/graphs/base_graph.py
+++ b/src/sakia/data/graphs/base_graph.py
@@ -1,12 +1,21 @@
 import logging
 import time
 import networkx
-from PyQt5.QtCore import QLocale, QDateTime, QObject
+from PyQt5.QtCore import QLocale, QDateTime, QObject, QT_TRANSLATE_NOOP
 from sakia.errors import NoPeerAvailable
 from .constants import EdgeStatus, NodeStatus
 from sakia.constants import MAX_CONFIRMATIONS
 
 
+def sentry_display(identity):
+    sentry_text = ""
+    sentry_symbol = ""
+    if identity.sentry:
+        sentry_symbol = "✴ "
+        sentry_text = QT_TRANSLATE_NOOP("BaseGraph", "(sentry)") + " "
+    return sentry_symbol, sentry_text
+
+
 class BaseGraph(QObject):
     def __init__(self, app, blockchain_service, identities_service, nx_graph):
         """
@@ -92,29 +101,12 @@ class BaseGraph(QObject):
                 return "{0} %".format(QLocale().toString(float(confirmation), 'f', 0))
         return None
 
-    def is_sentry(self, nb_certs, nb_members):
-        """
-        Check if it is a sentry or not
-        :param int nb_certs: the number of certs
-        :param int nb_members: the number of members
-        :return: True if a sentry
-        """
-        Y = {
-            10: 2,
-            100: 4,
-            1000: 6,
-            10000: 12,
-            100000: 20
-        }
-        for k in reversed(sorted(Y.keys())):
-            if nb_members >= k:
-                return nb_certs >= Y[k]
-        return False
-
     def add_certifier_node(self, certifier, identity, certification, node_status):
+        sentry_symbol, sentry_text = sentry_display(certifier)
+        name_text = certifier.uid if certifier.uid else certifier.pubkey[:12]
         metadata = {
-            'text': certifier.uid if certifier.uid else certifier.pubkey[:12],
-            'tooltip': certifier.pubkey,
+            'text': sentry_symbol + name_text,
+            'tooltip': sentry_text + certifier.pubkey,
             'identity': certifier,
             'status': node_status
         }
@@ -135,9 +127,11 @@ class BaseGraph(QObject):
         self.nx_graph.add_edge(certifier.pubkey, identity.pubkey, attr_dict=arc)
 
     def add_certified_node(self, identity, certified, certification, node_status):
+        sentry_symbol, sentry_text = sentry_display(certified)
+        name_text = certified.uid if certified.uid else certified.pubkey[:12]
         metadata = {
-            'text': certified.uid if certified.uid else certified.pubkey[:12],
-            'tooltip': certified.pubkey,
+            'text': sentry_symbol + name_text,
+            'tooltip': sentry_text + certified.pubkey,
             'identity': certified,
             'status': node_status
         }
@@ -237,9 +231,11 @@ class BaseGraph(QObject):
         :param list edges:  Optional, default=None, List of edges (certified by identity)
         :param list connected:  Optional, default=None, Public key list of the connected nodes around the identity
         """
+        sentry_symbol, sentry_text = sentry_display(identity)
+        name_text = identity.uid
         metadata = {
-            'text': identity.uid,
-            'tooltip': identity.pubkey,
+            'text': sentry_symbol + name_text,
+            'tooltip': sentry_text + identity.pubkey,
             'status': status,
             'identity': identity
         }
diff --git a/src/sakia/gui/dialogs/connection_cfg/congratulation.ui b/src/sakia/gui/dialogs/connection_cfg/congratulation.ui
new file mode 100644
index 0000000000000000000000000000000000000000..fb71eb2c33c8f039df923c08c5908e313158d1d8
--- /dev/null
+++ b/src/sakia/gui/dialogs/connection_cfg/congratulation.ui
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>CongratulationPopup</class>
+ <widget class="QDialog" name="CongratulationPopup">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>350</width>
+    <height>198</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>350</width>
+    <height>16777215</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>Congratulation</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout_2">
+   <item>
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <widget class="QLabel" name="label">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string>label</string>
+       </property>
+       <property name="textFormat">
+        <enum>Qt::RichText</enum>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignJustify|Qt::AlignTop</set>
+       </property>
+       <property name="openExternalLinks">
+        <bool>true</bool>
+       </property>
+       <property name="textInteractionFlags">
+        <set>Qt::TextBrowserInteraction</set>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QDialogButtonBox" name="buttonBox">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="standardButtons">
+        <set>QDialogButtonBox::Ok</set>
+       </property>
+       <property name="centerButtons">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>CongratulationPopup</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/src/sakia/gui/dialogs/connection_cfg/view.py b/src/sakia/gui/dialogs/connection_cfg/view.py
index a158d1322e9bd33bb378e4d43ad7d6a9e2ae0d75..60bfa346a196f112a3cef831be16ffe96dde9a2d 100644
--- a/src/sakia/gui/dialogs/connection_cfg/view.py
+++ b/src/sakia/gui/dialogs/connection_cfg/view.py
@@ -1,11 +1,12 @@
 from PyQt5.QtWidgets import QDialog
 from PyQt5.QtCore import pyqtSignal, Qt
 from .connection_cfg_uic import Ui_ConnectionConfigurationDialog
+from .congratulation_uic import Ui_CongratulationPopup
 from duniterpy.key import SigningKey, ScryptParams
 from math import ceil, log
 from sakia.gui.widgets import toast
 from sakia.helpers import timestamp_to_dhms
-from sakia.gui.widgets.dialogs import QAsyncMessageBox
+from sakia.gui.widgets.dialogs import dialog_async_exec, QAsyncMessageBox
 from sakia.constants import ROOT_SERVERS
 
 
@@ -153,13 +154,23 @@ class ConnectionConfigView(QDialog, Ui_ConnectionConfigurationDialog):
                                                                                     hours=hours,
                                                                                     min=minutes)
 
-        await QAsyncMessageBox.information(self, self.tr("Registration"), self.tr("""
-<b>Congratulations !</b><br>
+        dialog = QDialog(self)
+        about_dialog = Ui_CongratulationPopup()
+        about_dialog.setupUi(dialog)
+        dialog.setWindowTitle("Registration")
+        about_dialog.label.setText(self.tr("""
+<p><b>Congratulations !</b><br>
 <br>
 You just published your identity to the network.<br>
-For your identity to be registered, you will need <b>{certs} certifications</b> from members.<br>
-Once you got the required certifications, you will be able to validate your registration
+For your identity to be registered, you will need<br>
+<b>{certs} certifications</b> from members.<br>
+Once you got the required certifications, <br>
+you will be able to validate your registration<br>
 by <b>publishing your membership request !</b><br>
-Please notice that your identity document <b>will expire in {expiration_time_str}.</b> If you failed
-to get {certs} certifications before this time, the process will have to be restarted from scratch.
+Please notice that your identity document <br>
+<b>will expire in {expiration_time_str}.</b><br>
+If you failed to get {certs} certifications before this time, <br>
+the process will have to be restarted from scratch.</p>
 """.format(certs=blockchain_parameters.sig_qty, expiration_time_str=expiration_time_str)))
+
+        await dialog_async_exec(dialog)
diff --git a/src/sakia/gui/navigation/identities/table_model.py b/src/sakia/gui/navigation/identities/table_model.py
index 0b6651f814132bac1668f12e9a01a7b838702d47..37cbae948976738205de3bc2ee3d534767a86584 100644
--- a/src/sakia/gui/navigation/identities/table_model.py
+++ b/src/sakia/gui/navigation/identities/table_model.py
@@ -150,8 +150,10 @@ class IdentitiesTableModel(QAbstractTableModel):
         expiration_date = self.identities_service.expiration_date(identity)
         sigdate_ts = identity.timestamp
         sigdate_block = identity.blockstamp
+        name = "✴ " if identity.sentry else ""
+        name += identity.uid
 
-        return identity.uid, identity.pubkey, join_date, expiration_date, sigdate_ts, sigdate_block, identity
+        return name, identity.pubkey, join_date, expiration_date, sigdate_ts, sigdate_block, identity
 
     def refresh_identities(self, identities):
         """
diff --git a/tests/helpers.py b/tests/helpers.py
index f4d7108029f58264aa61143c22687520dabc612b..74b83d37e6d0a9598bb2625bf58bc0b5690fdb7a 100644
--- a/tests/helpers.py
+++ b/tests/helpers.py
@@ -1,4 +1,4 @@
-from PyQt5.QtWidgets import QApplication, QMessageBox
+from PyQt5.QtWidgets import QApplication, QMessageBox, QDialog
 from PyQt5.QtCore import Qt
 from PyQt5.QtTest import QTest
 
@@ -6,5 +6,7 @@ from PyQt5.QtTest import QTest
 def click_on_top_message_box():
     topWidgets = QApplication.topLevelWidgets()
     for w in topWidgets:
-        if type(w) is QMessageBox:
+        if isinstance(w, QMessageBox):
+            QTest.keyClick(w, Qt.Key_Enter)
+        elif isinstance(w, QDialog) and w.windowTitle() == "Registration":
             QTest.keyClick(w, Qt.Key_Enter)