diff --git a/res/ui/informations_tab.ui b/res/ui/informations_tab.ui
index bacf3de57d0b1825f0daf2e6f96fa158a9557d1d..95281ec61ec9124cd8efd5d8ef546cf2f5b2cac6 100644
--- a/res/ui/informations_tab.ui
+++ b/res/ui/informations_tab.ui
@@ -91,15 +91,15 @@ QGroupBox::title {
         </widget>
        </item>
        <item>
-        <widget class="QGroupBox" name="group_wot">
+        <widget class="QGroupBox" name="group_rules">
          <property name="title">
-          <string>WoT</string>
+          <string>Rules</string>
          </property>
-         <layout class="QVBoxLayout" name="verticalLayout_4">
+         <layout class="QVBoxLayout" name="verticalLayout_6">
           <item>
-           <widget class="QLabel" name="label_wot">
+           <widget class="QLabel" name="label_rules">
             <property name="text">
-             <string>label_wot</string>
+             <string>label_rules</string>
             </property>
             <property name="alignment">
              <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
@@ -110,15 +110,15 @@ QGroupBox::title {
         </widget>
        </item>
        <item>
-        <widget class="QGroupBox" name="group_rules">
+        <widget class="QGroupBox" name="group_wot">
          <property name="title">
-          <string>Rules</string>
+          <string>WoT</string>
          </property>
-         <layout class="QVBoxLayout" name="verticalLayout_6">
+         <layout class="QVBoxLayout" name="verticalLayout_4">
           <item>
-           <widget class="QLabel" name="label_rules">
+           <widget class="QLabel" name="label_wot">
             <property name="text">
-             <string>label_rules</string>
+             <string>label_wot</string>
             </property>
             <property name="alignment">
              <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
diff --git a/src/cutecoin/core/transfer.py b/src/cutecoin/core/transfer.py
index 0eebedf50665b1c68e20624868cd0fdced1a2578..abd3b1ffeb1cce1846a38ae0e834d7edef028c33 100644
--- a/src/cutecoin/core/transfer.py
+++ b/src/cutecoin/core/transfer.py
@@ -79,18 +79,14 @@ class Transfer(object):
             self._metadata['time'] = community.get_block().mediantime
 
     def check_registered(self, tx, block, time):
-        logging.debug("REGISTERED : BEFORE : {0}".format(self._metadata))
         if tx.signed_raw() == self.txdoc.signed_raw():
             self.state = Transfer.VALIDATED
             self._metadata['block'] = block
             self._metadata['time'] = time
-        logging.debug("REGISTERED : AFTER : {0}".format(self._metadata))
 
     def check_refused(self, block):
-        logging.debug("REFUSED : BEFORE : {0}".format(self._metadata))
         if block > self._metadata['block'] + 15:
             self.state = Transfer.REFUSED
-        logging.debug("REFUSED : AFTER : {0}".format(self._metadata))
 
     def drop(self):
         self.state = Transfer.DROPPED
diff --git a/src/cutecoin/gui/currency_tab.py b/src/cutecoin/gui/currency_tab.py
index 6e719290c68423703a5aeabe566d3f45ac9b0b3a..ef3e74bc950eab7b29a2163b60fe36cf00ecc7ba 100644
--- a/src/cutecoin/gui/currency_tab.py
+++ b/src/cutecoin/gui/currency_tab.py
@@ -10,7 +10,7 @@ import requests
 
 from ucoinpy.api import bma
 from PyQt5.QtWidgets import QWidget, QMenu, QAction, QApplication, \
-                            QMessageBox, QDialog, QAbstractItemView
+                            QMessageBox, QDialog, QAbstractItemView, QHeaderView
 from PyQt5.QtCore import QModelIndex, Qt, pyqtSlot, QObject, \
                         QThread, pyqtSignal, QDateTime
 from PyQt5.QtGui import QIcon
@@ -92,6 +92,25 @@ class CurrencyTabWidget(QWidget, Ui_CurrencyTabWidget):
 
         self.watcher_thread.start()
 
+        person = Person.lookup(self.app.current_account.pubkey, self.community)
+        join_block = person.membership(self.community).block_number
+        join_date = self.community.get_block(join_block).mediantime
+        parameters = self.community.get_parameters()
+        expiration_date = join_date + parameters['sigValidity']
+        current_time = time.time()
+        sig_validity = self.community.get_parameters()['sigValidity']
+        warning_expiration_time = int(sig_validity / 3)
+        will_expire_soon = (current_time > expiration_date - warning_expiration_time)
+
+        if will_expire_soon:
+            days = QDateTime().currentDateTime().daysTo(QDateTime.fromTime_t(expiration_date))
+            QMessageBox.warning(
+                self,
+                "Membership expiration",
+                "Warning : Membership expiration in {0} days".format(days),
+                QMessageBox.Ok
+            )
+
     def refresh(self):
         if self.app.current_account is None:
             self.tabs_account.setEnabled(False)
@@ -122,7 +141,7 @@ class CurrencyTabWidget(QWidget, Ui_CurrencyTabWidget):
             self.table_history.setModel(proxy)
             self.table_history.setSelectionBehavior(QAbstractItemView.SelectRows)
             self.table_history.setSortingEnabled(True)
-
+            self.table_history.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents)
             self.tab_community = CommunityTabWidget(self.app.current_account,
                                                     self.community,
                                                     self.password_asker)
@@ -171,20 +190,7 @@ class CurrencyTabWidget(QWidget, Ui_CurrencyTabWidget):
                                                            QModelIndex(),
                                                            [])
 
-        person = Person.lookup(self.app.current_account.pubkey, self.community)
-        join_block = person.membership(self.community).block_number
-        join_date = self.community.get_block(join_block).mediantime
-        parameters = self.community.get_parameters()
-        expiration_date = join_date + parameters['sigValidity']
-        current_time = QDateTime().currentDateTime().toTime_t()
-        sig_validity = self.community.get_parameters()['sigValidity']
-        warning_expiration_time = int(sig_validity / 3)
-        will_expire_soon = (current_time > expiration_date*1000 - warning_expiration_time*1000)
-
         text = "Connected : Block {0}".format(block_number)
-        if will_expire_soon:
-            days = QDateTime().currentDateTime().daysTo(QDateTime(expiration_date*1000))
-            text += " - Warning : Membership expiration in {0}".format(days)
         self.status_label.setText(text)
 
     def refresh_wallets(self):
diff --git a/src/cutecoin/gui/informations_tab.py b/src/cutecoin/gui/informations_tab.py
index 500b7f847fcc8ca6e6fecb7256db104ba2662a6f..e1002d646518df4b1eb3e6d66f8ad4c22b78880e 100644
--- a/src/cutecoin/gui/informations_tab.py
+++ b/src/cutecoin/gui/informations_tab.py
@@ -48,7 +48,7 @@ class InformationsTabWidget(QWidget, Ui_InformationsTabWidget):
             <tr><td align="right"><b>{:.2f}</b></td><td>{:} {:}</td></tr>
             <tr><td align="right"><b>{:}</b></td><td>{:}</td></tr>
             <tr><td align="right"><b>{:.2f}</b></td><td>{:} {:}</td></tr>
-            <tr><td align="right"><b>{:2.2%}</b></td><td>{:}</td></tr>
+            <tr><td align="right"><b>{:2.2%} / {:} days</b></td><td>{:}</td></tr>
             </table>
             """.format(
                 self.get_referential_value(block['dividend']),
@@ -62,9 +62,9 @@ class InformationsTabWidget(QWidget, Ui_InformationsTabWidget):
                 self.get_referential_value(block['monetaryMass'] / block['membersCount']),
                 'Monetary Mass per member M(t)/N(t) in',
                 self.get_referential_name(),
-                block['dividend'] / (block['monetaryMass'] - (block['membersCount'] * block['dividend'])) / block[
-                    'membersCount'],
-                'Actual % Growth c = UD(t)/[M(t-1)/N(t)]'
+                block['dividend'] / (block['monetaryMass'] / block['membersCount']),
+                params['dt'] / 86400,
+                'Actual growth c = UD(t)/[M(t-1)/N(t)]'
             )
         )
 
@@ -72,7 +72,7 @@ class InformationsTabWidget(QWidget, Ui_InformationsTabWidget):
         self.label_money.setText(
             """
             <table cellpadding="5">
-            <tr><td align="right"><b>{:2.0%}</b></td><td>{:}</td></tr>
+            <tr><td align="right"><b>{:2.0%} / {:} days</b></td><td>{:}</td></tr>
             <tr><td align="right"><b>{:}</b></td><td>{:} {:}</td></tr>
             <tr><td align="right"><b>{:}</b></td><td>{:}</td></tr>
             <tr><td align="right"><b>{:}</b></td><td>{:}</td></tr>
@@ -83,12 +83,13 @@ class InformationsTabWidget(QWidget, Ui_InformationsTabWidget):
             </table>
             """.format(
                 params['c'],
-                'Growth parameter c',
+                params['dt'] / 86400,
+                'Fundamental growth (c)',
                 params['ud0'],
-                'Initial Universal Dividend in',
+                'Initial Universal Dividend UD(0) in',
                 self.community.short_currency,
                 params['dt'] / 86400,
-                'Time period in days between two UD',
+                'Time period (dt) in days (86400 seconds) between two UD',
                 params['medianTimeBlocks'],
                 'Number of blocks used for calculating median time',
                 params['avgGenTime'],
@@ -102,6 +103,31 @@ class InformationsTabWidget(QWidget, Ui_InformationsTabWidget):
             )
         )
 
+        # set infos in label
+        self.label_rules.setText(
+            """
+            <table cellpadding="5">
+            <tr><td align="right"><b>{:}</b></td><td>{:}</td></tr>
+            <tr><td align="right"><b>{:}</b></td><td>{:}</td></tr>
+            <tr><td align="right"><b>{:}</b></td><td>{:}</td></tr>
+            </table>
+            """.format(
+                '{:2.0%} / {:} days'.format(params['c'], params['dt'] / 86400),
+                'Fundamental growth (c) / Delta time (dt)',
+                'UD(t+1) = MAX { UD(t) ; c * M(t) / N(t) }',
+                'Universal Dividend (formula)',
+                'UD(t+1) = MAX {{ {:.2f} {:} ; {:2.0%} * {:.2f} {:} / {:} }}'.format(
+                    self.get_referential_value(block['dividend']),
+                    self.get_referential_name(),
+                    params['c'],
+                    self.get_referential_value(block['monetaryMass']),
+                    self.get_referential_name(),
+                    block['membersCount']
+                ),
+                'Universal Dividend (computed)'
+            )
+        )
+
         # set infos in label
         self.label_wot.setText(
             """
@@ -129,30 +155,6 @@ class InformationsTabWidget(QWidget, Ui_InformationsTabWidget):
             )
         )
 
-        # set infos in label
-        self.label_rules.setText(
-            """
-            <table cellpadding="5">
-            <tr><td align="right"><b>{:}</b></td><td>{:}</td></tr>
-            <tr><td align="right"><b>{:}</b></td><td>{:}</td></tr>
-            <tr><td align="right"><b>{:}</b></td><td>{:}</td></tr>
-            </table>
-            """.format(
-                "{:2.0%} / {:} days".format(params['c'], params['dt'] / 86400),
-                'Growth percent (c)',
-                "UD t+1 = MAX ( UD t ; c * Mt / Nt+1 )",
-                'Universal Dividend (formula)',
-                "UD t+1 = MAX ( {:.2f} {:} ; {:2.0%} * {:.2f} {:} / Nt+1 )".format(
-                    self.get_referential_value(params['ud0']),
-                    self.get_referential_name(),
-                    params['c'],
-                    self.get_referential_value(block['monetaryMass']),
-                    self.get_referential_name()
-                ),
-                'Universal Dividend (computed)'
-            )
-        )
-
     def get_referential_value(self, value):
         return self.account.units_to_ref(value, self.community)
 
diff --git a/src/cutecoin/gui/mainwindow.py b/src/cutecoin/gui/mainwindow.py
index 10bf7bc0de1b2a9c58e798abd7c8bdda8d67b2ab..bb7d1c9a63a69acd9bfd62b09d4b7f8d83b53a5a 100644
--- a/src/cutecoin/gui/mainwindow.py
+++ b/src/cutecoin/gui/mainwindow.py
@@ -80,7 +80,7 @@ class MainWindow(QMainWindow, Ui_MainWindow):
 
         self.label_time = QLabel("", self)
 
-        self.statusbar.addPermanentWidget(self.status_label)
+        self.statusbar.addPermanentWidget(self.status_label, 1)
         self.statusbar.addPermanentWidget(self.label_time)
         self.statusbar.addPermanentWidget(self.combo_referential)
         self.update_time()
@@ -121,7 +121,7 @@ class MainWindow(QMainWindow, Ui_MainWindow):
     @pyqtSlot()
     def update_time(self):
         date = QDate.currentDate()
-        self.label_time.setText("- {0} -".format(date.toString("dd/MM/yyyy")))
+        self.label_time.setText("{0}".format(date.toString("dd/MM/yyyy")))
         next_day = date.addDays(1)
         current_time = QDateTime().currentDateTime().toMSecsSinceEpoch()
         next_time = QDateTime(next_day).toMSecsSinceEpoch()
diff --git a/src/cutecoin/models/txhistory.py b/src/cutecoin/models/txhistory.py
index 969edad4ecf26af1f79899aa2f11703b919c2284..e91eea080cf5c22d1639a89271a04a17a6dda27e 100644
--- a/src/cutecoin/models/txhistory.py
+++ b/src/cutecoin/models/txhistory.py
@@ -32,7 +32,7 @@ class TxFilterProxyModel(QSortFilterProxyModel):
     def filterAcceptsRow(self, sourceRow, sourceParent):
         def in_period(date_ts):
             return (date_ts in range(self.ts_from, self.ts_to))
-        date_col = self.sourceModel().columns.index('Date')
+        date_col = self.sourceModel().column_types.index('date')
         source_index = self.sourceModel().index(sourceRow, date_col)
         date = self.sourceModel().data(source_index, Qt.DisplayRole)
         return in_period(date)
@@ -60,22 +60,22 @@ class TxFilterProxyModel(QSortFilterProxyModel):
     def data(self, index, role):
         source_index = self.mapToSource(index)
         source_data = self.sourceModel().data(source_index, role)
-        state_col = self.sourceModel().columns.index('State')
+        state_col = self.sourceModel().column_types.index('state')
         state_index = self.sourceModel().index(source_index.row(), state_col)
         state_data = self.sourceModel().data(state_index, Qt.DisplayRole)
         if role == Qt.DisplayRole:
-            if source_index.column() == self.sourceModel().columns.index('UID/Public key'):
+            if source_index.column() == self.sourceModel().column_types.index('uid'):
                 if source_data.__class__ == Person:
                     tx_person = source_data.name
                 else:
                     tx_person = "pub:{0}".format(source_data[:5])
                 source_data = tx_person
                 return source_data
-            if source_index.column() == self.sourceModel().columns.index('Date'):
+            if source_index.column() == self.sourceModel().column_types.index('date'):
                 date = QDateTime.fromTime_t(source_data)
                 return date.date()
-            if source_index.column() == self.sourceModel().columns.index('Payment')  or \
-                source_index.column() == self.sourceModel().columns.index('Deposit'):
+            if source_index.column() == self.sourceModel().column_types.index('payment')  or \
+                source_index.column() == self.sourceModel().column_types.index('deposit'):
                 if source_data is not "":
                     amount_ref = self.account.units_to_diff_ref(source_data,
                                                                 self.community)
@@ -105,6 +105,12 @@ class TxFilterProxyModel(QSortFilterProxyModel):
                 return QColor(Qt.red)
             elif state_data == Transfer.TO_SEND:
                 return QColor(Qt.blue)
+
+        if role == Qt.TextAlignmentRole:
+            if source_index.column() == self.sourceModel().column_types.index('deposit') or source_index.column() == self.sourceModel().column_types.index('payment'):
+                return Qt.AlignRight | Qt.AlignVCenter
+            if source_index.column() == self.sourceModel().column_types.index('date'):
+                return Qt.AlignCenter
         return source_data
 
 
@@ -121,8 +127,25 @@ class HistoryTableModel(QAbstractTableModel):
         super().__init__(parent)
         self.account = account
         self.community = community
-        self.columns = ('Date', 'UID/Public key', 'Payment',
-                        'Deposit', 'Comment', 'State')
+        self.account.referential
+
+        self.column_types = (
+            'date',
+            'uid',
+            'payment',
+            'deposit',
+            'comment',
+            'state'
+        )
+
+        self.column_headers = (
+            'Date',
+            'UID/Public key',
+            'Payment',
+            'Deposit',
+            'Comment',
+            'State'
+        )
 
     @property
     def transfers(self):
@@ -132,11 +155,17 @@ class HistoryTableModel(QAbstractTableModel):
         return len(self.transfers)
 
     def columnCount(self, parent):
-        return len(self.columns)
+        return len(self.column_types)
 
     def headerData(self, section, orientation, role):
         if role == Qt.DisplayRole:
-            return self.columns[section]
+            if self.column_types[section] == 'payment' or self.column_types[section] == 'deposit':
+                return '{:}\n({:})'.format(
+                    self.column_headers[section],
+                    self.account.diff_ref_name(self.community.short_currency)
+                )
+
+            return self.column_headers[section]
 
     def data_received(self, transfer):
         amount = transfer.metadata['amount']
@@ -190,3 +219,4 @@ class HistoryTableModel(QAbstractTableModel):
 
     def flags(self, index):
         return Qt.ItemIsSelectable | Qt.ItemIsEnabled
+