diff --git a/res/icons/connected.svg b/res/icons/connected.svg
new file mode 100644
index 0000000000000000000000000000000000000000..8e4a17174e997d1a0166da44dfac69f53719f8f8
--- /dev/null
+++ b/res/icons/connected.svg
@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="100"
+   height="100"
+   viewBox="0 0 100 100"
+   id="svg3336"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="connected.svg">
+  <defs
+     id="defs3338">
+    <linearGradient
+       inkscape:collect="always"
+       id="linearGradient4150">
+      <stop
+         style="stop-color:#ffffff;stop-opacity:1;"
+         offset="0"
+         id="stop4152" />
+      <stop
+         style="stop-color:#ffffff;stop-opacity:0.04620462"
+         offset="1"
+         id="stop4154" />
+    </linearGradient>
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient4150"
+       id="radialGradient4162"
+       cx="52.325901"
+       cy="1005.1627"
+       fx="52.325901"
+       fy="1005.1627"
+       r="42.926411"
+       gradientTransform="matrix(1.539681,0,0,1.5451884,-48.391841,-562.49866)"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="2.8284271"
+     inkscape:cx="80.436882"
+     inkscape:cy="33.829638"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:snap-bbox="false"
+     inkscape:window-width="1366"
+     inkscape:window-height="725"
+     inkscape:window-x="-7"
+     inkscape:window-y="17"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata3341">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Calque 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-952.36216)">
+    <ellipse
+       style="opacity:1;fill:#17d017;fill-opacity:1;stroke:#000000;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+       id="path3346"
+       cx="51.785713"
+       cy="1005.5765"
+       rx="41.785713"
+       ry="40.714287" />
+    <ellipse
+       style="opacity:0.65;fill:url(#radialGradient4162);fill-opacity:1;stroke:none;stroke-width:1.25129819;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+       id="path4148"
+       cx="32.173359"
+       cy="990.66699"
+       rx="64.928177"
+       ry="65.10495" />
+  </g>
+</svg>
diff --git a/res/icons/disconnected.svg b/res/icons/disconnected.svg
new file mode 100644
index 0000000000000000000000000000000000000000..4224156fbf5b7cd077c4a6db7a5b268e0205a55a
--- /dev/null
+++ b/res/icons/disconnected.svg
@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="100"
+   height="100"
+   viewBox="0 0 100 100"
+   id="svg3336"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="disconnected.svg">
+  <defs
+     id="defs3338">
+    <linearGradient
+       inkscape:collect="always"
+       id="linearGradient4150">
+      <stop
+         style="stop-color:#ffffff;stop-opacity:1;"
+         offset="0"
+         id="stop4152" />
+      <stop
+         style="stop-color:#ffffff;stop-opacity:0.04620462"
+         offset="1"
+         id="stop4154" />
+    </linearGradient>
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient4150"
+       id="radialGradient4162"
+       cx="52.325901"
+       cy="1005.1627"
+       fx="52.325901"
+       fy="1005.1627"
+       r="42.926411"
+       gradientTransform="matrix(1.539681,0,0,1.5451884,-48.038287,-560.37733)"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="2.8284271"
+     inkscape:cx="80.436882"
+     inkscape:cy="33.829638"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:snap-bbox="false"
+     inkscape:window-width="1366"
+     inkscape:window-height="725"
+     inkscape:window-x="-7"
+     inkscape:window-y="17"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata3341">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Calque 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-952.36216)">
+    <ellipse
+       style="opacity:1;fill:#c60002;fill-opacity:1;stroke:#000000;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+       id="path3346"
+       cx="51.785713"
+       cy="1005.5765"
+       rx="41.785713"
+       ry="40.714287" />
+    <ellipse
+       style="opacity:0.65;fill:url(#radialGradient4162);fill-opacity:1;stroke:none;stroke-width:1.25129819;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+       id="path4148"
+       cx="32.526913"
+       cy="992.78827"
+       rx="64.928177"
+       ry="65.10495" />
+  </g>
+</svg>
diff --git a/res/icons/weak_connect.svg b/res/icons/weak_connect.svg
new file mode 100644
index 0000000000000000000000000000000000000000..26e2d94c4cff206add115b6cb46efd5397e7a646
--- /dev/null
+++ b/res/icons/weak_connect.svg
@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="100"
+   height="100"
+   viewBox="0 0 100 100"
+   id="svg3336"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="weak_connect.svg">
+  <defs
+     id="defs3338">
+    <linearGradient
+       inkscape:collect="always"
+       id="linearGradient4150">
+      <stop
+         style="stop-color:#ffffff;stop-opacity:1;"
+         offset="0"
+         id="stop4152" />
+      <stop
+         style="stop-color:#ffffff;stop-opacity:0.04620462"
+         offset="1"
+         id="stop4154" />
+    </linearGradient>
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient4150"
+       id="radialGradient4162"
+       cx="52.325901"
+       cy="1005.1627"
+       fx="52.325901"
+       fy="1005.1627"
+       r="42.926411"
+       gradientTransform="matrix(1.539681,0,0,1.5451884,-51.220268,-564.97353)"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="2.8284271"
+     inkscape:cx="80.436882"
+     inkscape:cy="33.829638"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:snap-bbox="false"
+     inkscape:window-width="1366"
+     inkscape:window-height="725"
+     inkscape:window-x="-7"
+     inkscape:window-y="17"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata3341">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Calque 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-952.36216)">
+    <ellipse
+       style="opacity:1;fill:#fff41c;fill-opacity:1;stroke:#000000;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+       id="path3346"
+       cx="51.785713"
+       cy="1005.5765"
+       rx="41.785713"
+       ry="40.714287" />
+    <ellipse
+       style="opacity:0.65;fill:url(#radialGradient4162);fill-opacity:1;stroke:none;stroke-width:1.25129819;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+       id="path4148"
+       cx="29.344933"
+       cy="988.19208"
+       rx="64.928177"
+       ry="65.10495" />
+  </g>
+</svg>
diff --git a/src/cutecoin/core/net/network.py b/src/cutecoin/core/net/network.py
index 1c3f66af331a73ff5de6b5cf3639ee588ddefc6b..dfe01ce6ea129d3ceceb50cd629c84ab37e07cdc 100644
--- a/src/cutecoin/core/net/network.py
+++ b/src/cutecoin/core/net/network.py
@@ -35,6 +35,7 @@ class Network(Watcher):
         self.nodes = nodes
         self._must_crawl = False
         self._is_perpetual = False
+        self._block_found = 0
 
     @classmethod
     def create(cls, node):
@@ -52,7 +53,7 @@ class Network(Watcher):
         for node in nodes:
             node.check_sync(block_max)
         network.nodes = nodes
-        network.latest_block = block_max
+        network._block_found = network.latest_block
         return network
 
     def merge_with_json(self, json_data):
@@ -89,7 +90,9 @@ class Network(Watcher):
         block_max = max([n.block for n in nodes])
         for node in nodes:
             node.check_sync(block_max)
-        return cls(currency, nodes)
+        network = cls(currency, nodes)
+        network._block_found = network.latest_block
+        return network
 
     def jsonify(self):
         '''
@@ -206,13 +209,11 @@ class Network(Watcher):
     def handle_change(self):
         node = self.sender()
         logging.debug("Handle change")
-        block_max = max([n.block for n in self.nodes])
         if node.state in (Node.ONLINE, Node.DESYNCED):
-            node.check_sync(block_max)
-
-        if self.latest_block != block_max:
-            logging.debug("New block found : {0}".format(block_max))
-            self.latest_block = block_max
+            node.check_sync(self.latest_block)
+        logging.debug("{0} -> {1}".format(self.latest_block, self.latest_block))
+        if self._block_found != self.latest_block:
+            logging.debug("New block found : {0}".format(self.latest_block))
             self.new_block_mined.emit(self.latest_block)
 
         if node.last_change + 3600 < time.time() and \
@@ -224,6 +225,7 @@ class Network(Watcher):
                 pass
             self.nodes.remove(node)
 
+        QCoreApplication.processEvents()
         logging.debug("Syncing : {0} : last changed {1} : unsynced : {2}".format(node.pubkey[:5],
                                                         node.last_change, time.time() - node.last_change))
 
diff --git a/src/cutecoin/gui/currency_tab.py b/src/cutecoin/gui/currency_tab.py
index 2e24ab1b838fe8a696e7d676d8c0f291b0cb3dd9..27c3881dd86b1965760f38013258483d62fa5be6 100644
--- a/src/cutecoin/gui/currency_tab.py
+++ b/src/cutecoin/gui/currency_tab.py
@@ -136,6 +136,7 @@ class CurrencyTabWidget(QWidget, Ui_CurrencyTabWidget):
 
     @pyqtSlot(int)
     def refresh_block(self, block_number):
+        logging.debug("Refesh block")
         if self.tab_wallets:
             self.tab_wallets.refresh()
 
@@ -150,6 +151,7 @@ class CurrencyTabWidget(QWidget, Ui_CurrencyTabWidget):
 
     @pyqtSlot()
     def refresh_status(self):
+        logging.debug("Refresh status")
         if self.community.network_quality() > 0.66:
             icon = '<img src=":/icons/connected" width="12" height="12"/>'
             text = "Connected : Block {0}".format(self.community.network.latest_block)