diff --git a/alephzero/Main.ui b/alephzero/Main.ui
index c42e55b9a..de452a125 100644
--- a/alephzero/Main.ui
+++ b/alephzero/Main.ui
@@ -29,6 +29,25 @@
       <property name="margin">
        <number>0</number>
       </property>
+      <item>
+       <widget class="QToolButton" name="upnp">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="text">
+         <string>UPnP</string>
+        </property>
+        <property name="checkable">
+         <bool>true</bool>
+        </property>
+        <property name="checked">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
       <item>
        <widget class="QToolButton" name="net">
         <property name="text">
diff --git a/alephzero/MainWin.cpp b/alephzero/MainWin.cpp
index 20c16d949..56bab0a5f 100644
--- a/alephzero/MainWin.cpp
+++ b/alephzero/MainWin.cpp
@@ -166,7 +166,7 @@ void Main::refresh()
 void Main::on_net_toggled()
 {
 	if (ui->net->isChecked())
-		m_client.startNetwork(ui->port->value(), string(), 30303, 6);
+		m_client.startNetwork(ui->port->value(), string(), 30303, 6, NodeMode::Full, 5, std::string(), ui->upnp->isChecked());
 	else
 		m_client.stopNetwork();
 }
diff --git a/alephzero/alephzero.pro b/alephzero/alephzero.pro
index afe6d573a..4b58d56ae 100644
--- a/alephzero/alephzero.pro
+++ b/alephzero/alephzero.pro
@@ -18,14 +18,17 @@ QMAKE_CXXFLAGS += -std=c++11
 
 local_cryptopp {
 	QMAKE_LIBDIR += ../../cryptopp562
-	INCLUDE_PATH += ../libethereum
-	LIBS += -lcryptoppeth
+	CRYPTOPP_LIBS += -lcryptopp
+}
+
+!local_cryptopp {
+	CRYPTOPP_LIBS += -lcryptoppeth
 }
 
 INCLUDEPATH += ../../cpp-ethereum
-QMAKE_LIBDIR += ../../cpp-ethereum-build/libethereum
+QMAKE_LIBDIR += ../../cpp-ethereum-build/libethereum ../../cpp-ethereum-build/secp256k1
 CONFIG(debug, debug|release): LIBS += -Wl,-rpath,../../cpp-ethereum-build/libethereum
-LIBS += -lethereum -lminiupnpc -lleveldb -lgmp -lboost_filesystem -lboost_system
+LIBS += -lethereum $${CRYPTOPP_LIBS} -lsecp256k1 -lminiupnpc -lleveldb -lgmp -lboost_filesystem -lboost_system
 
 SOURCES += main.cpp \
     MainWin.cpp
diff --git a/libethereum/BlockInfo.cpp b/libethereum/BlockInfo.cpp
index 60fbc092c..604d64d55 100644
--- a/libethereum/BlockInfo.cpp
+++ b/libethereum/BlockInfo.cpp
@@ -56,7 +56,7 @@ bytes BlockInfo::createGenesisBlock()
 		clog << db;
 	}
 
-	block.appendList(9) << h256() << sha3EmptyList << h160() << stateRoot << sha3EmptyList << c_genesisDifficulty << (uint)0 << string() << (uint)0;
+	block.appendList(9) << h256() << sha3EmptyList << h160() << stateRoot << sha3EmptyList << c_genesisDifficulty << (uint)0 << string() << (uint)42;
 	block.appendRaw(RLPEmptyList);
 	block.appendRaw(RLPEmptyList);
 	return block.out();
diff --git a/libethereum/PeerNetwork.cpp b/libethereum/PeerNetwork.cpp
index 8e92f4383..9c1bc155b 100644
--- a/libethereum/PeerNetwork.cpp
+++ b/libethereum/PeerNetwork.cpp
@@ -599,8 +599,10 @@ struct UPnP
 	string externalIP()
 	{
 		char addr[16];
-		UPNP_GetExternalIPAddress(urls.controlURL, data.first.servicetype, addr);
-		return addr;
+		if (!UPNP_GetExternalIPAddress(urls.controlURL, data.first.servicetype, addr))
+			return addr;
+		else
+			return "0.0.0.0";
 	}
 
 	int addRedirect(char const* addr, int port)
@@ -742,7 +744,8 @@ void PeerServer::determinePublic(string const& _publicAddress, bool _upnp)
 			p = m_listenPort;
 		}
 
-		if (m_upnp->externalIP() == string("0.0.0.0") && _publicAddress.empty())
+		auto eip = m_upnp->externalIP();
+		if (eip == string("0.0.0.0") && _publicAddress.empty())
 			m_public = bi::tcp::endpoint(bi::address(), p);
 		else
 		{
@@ -762,15 +765,6 @@ void PeerServer::determinePublic(string const& _publicAddress, bool _upnp)
 			m_public = bi::tcp::endpoint(bi::address(), m_listenPort);
 		m_addresses.push_back(m_public.address().to_v4());
 	}
-/*	int er;
-	UPNPDev* dlist = upnpDiscover(250, 0, 0, 0, 0, &er);
-	for (UPNPDev* d = dlist; d; d = dlist->pNext)
-	{
-		IGDdatas data;
-		parserootdesc(d->descURL, 0, &data);
-		data.presentationurl()
-	}
-	freeUPNPDevlist(dlist);*/
 }
 
 void PeerServer::populateAddresses()
diff --git a/libethereum/State.cpp b/libethereum/State.cpp
index 00d2f33e8..b91aae95b 100644
--- a/libethereum/State.cpp
+++ b/libethereum/State.cpp
@@ -67,6 +67,7 @@ std::map<Address, AddressState> const& eth::genesisState()
 		// Initialise.
 		s_ret[Address(fromUserHex("812413ae7e515a3bcaf7b3444116527bce958c02"))] = AddressState(u256(1) << 200, 0);
 		s_ret[Address(fromUserHex("93658b04240e4bd4046fd2d6d417d20f146f4b43"))] = AddressState(u256(1) << 200, 0);
+		s_ret[Address(fromUserHex("1e12515ce3e0f817a4ddef9ca55788a1d66bd2df"))] = AddressState(u256(1) << 200, 0);
 	}
 	return s_ret;
 }
@@ -96,12 +97,13 @@ State::State(Address _coinbaseAddress, Overlay const& _db): m_db(_db), m_state(&
 	cout << "State::State: state root initialised to " << m_state.root() << endl;
 
 	m_previousBlock = BlockInfo::genesis();
-	cnote << "Genesis headerhash-nononce:" << m_previousBlock.headerHashWithoutNonce();
+	cnote << "Genesis hash:" << m_previousBlock.hash;
 	{
 		RLPStream s;
-		m_previousBlock.fillStream(s, false);
+		m_previousBlock.fillStream(s, true);
 		cnote << RLP(s.out());
 		cnote << asHex(s.out());
+		cnote << sha3(s.out());
 	}
 	resetCurrent();