diff --git a/CMakeLists.txt b/CMakeLists.txt
index fe83eb378..e424645d2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@ set(CMAKE_AUTOMOC ON)
 
 cmake_policy(SET CMP0015 NEW)
 
-set(ETH_VERSION 0.2.6)
+set(ETH_VERSION 0.2.8)
 set(ETH_BUILD_TYPE ${CMAKE_BUILD_TYPE})
 
 # Default HEADLESS to 0.
diff --git a/alethzero/MainWin.cpp b/alethzero/MainWin.cpp
index 7f5847009..03aa49321 100644
--- a/alethzero/MainWin.cpp
+++ b/alethzero/MainWin.cpp
@@ -144,10 +144,11 @@ void Main::refresh()
 		ui->transactionQueue->clear();
 		for (pair<h256, Transaction> const& i: m_client->pending())
 		{
-			ui->transactionQueue->addItem(QString("%1 @ %2 <- %3")
-								  .arg(formatBalance(i.second.value).c_str())
-								  .arg(asHex(i.second.receiveAddress.asArray()).c_str())
-								  .arg(asHex(i.second.sender().asArray()).c_str()) );
+			ui->transactionQueue->addItem(QString("%1 [%4] @ %2 <- %3")
+								.arg(formatBalance(i.second.value).c_str())
+								.arg(asHex(i.second.receiveAddress.asArray()).c_str())
+								.arg(asHex(i.second.sender().asArray()).c_str())
+								.arg((unsigned)i.second.nonce));
 		}
 
 		ui->transactions->clear();
@@ -159,10 +160,11 @@ void Main::refresh()
 			for (auto const& i: RLP(bc.block(h))[1])
 			{
 				Transaction t(i.data());
-				ui->transactions->addItem(QString("%1 @ %2 <- %3")
-								  .arg(formatBalance(t.value).c_str())
-								  .arg(asHex(t.receiveAddress.asArray()).c_str())
-								  .arg(asHex(t.sender().asArray()).c_str()) );
+				ui->transactions->addItem(QString("%1 [%4] @ %2 <- %3")
+								.arg(formatBalance(t.value).c_str())
+								.arg(asHex(t.receiveAddress.asArray()).c_str())
+								.arg(asHex(t.sender().asArray()).c_str())
+								.arg((unsigned)t.nonce));
 			}
 		}
 	}
@@ -302,7 +304,7 @@ void Main::on_send_clicked()
 	u256 totalReq = value() + fee();
 	m_client->lock();
 	for (auto i: m_myKeys)
-		if (m_client->state().balance(i.address()) >= totalReq)
+		if (m_client->state().balance(i.address()) >= totalReq && i.address() != Address(fromUserHex(ui->destination->text().toStdString())))
 		{
 			m_client->unlock();
 			Secret s = i.secret();
@@ -310,7 +312,15 @@ void Main::on_send_clicked()
 			u256s data;
 			data.reserve(m_data.size());
 			for (QString const& i: m_data)
-				data.push_back(u256(i.toStdString()));
+			{
+				u256 d = 0;
+				try
+				{
+					d = u256(i.toStdString());
+				}
+				catch (...) {}
+				data.push_back(d);
+			}
 			m_client->transact(s, r, value(), data);
 			refresh();
 			return;
diff --git a/libethereum/Client.cpp b/libethereum/Client.cpp
index 08811a188..357468b16 100644
--- a/libethereum/Client.cpp
+++ b/libethereum/Client.cpp
@@ -98,15 +98,15 @@ void Client::stopMining()
 
 void Client::transact(Secret _secret, Address _dest, u256 _amount, u256s _data)
 {
-	m_lock.lock();
+	lock_guard<mutex> l(m_lock);
 	Transaction t;
-	t.nonce = m_s.transactionsFrom(toAddress(_secret));
+	cnote << "New transaction " << t;
+	t.nonce = m_mined.transactionsFrom(toAddress(_secret));
 	t.receiveAddress = _dest;
 	t.value = _amount;
 	t.data = _data;
 	t.sign(_secret);
 	m_tq.attemptImport(t.rlp());
-	m_lock.unlock();
 	m_changed = true;
 }
 
diff --git a/libethereum/PeerNetwork.cpp b/libethereum/PeerNetwork.cpp
index 935f46a47..89787aa9d 100644
--- a/libethereum/PeerNetwork.cpp
+++ b/libethereum/PeerNetwork.cpp
@@ -70,7 +70,7 @@ bool eth::isPrivateAddress(bi::address _addressToCheck)
 	{
 		bi::address_v4 v4Address = _addressToCheck.to_v4();
 		bi::address_v4::bytes_type bytesToCheck = v4Address.to_bytes();
-		if (bytesToCheck[0] == 10)
+		if (bytesToCheck[0] == 10 || bytesToCheck[0] == 127)
 			return true;
 		if (bytesToCheck[0] == 172 && (bytesToCheck[1] >= 16 && bytesToCheck[1] <=31))
 			return true;
diff --git a/libethereum/State.cpp b/libethereum/State.cpp
index 42242d6d7..5b6436f4b 100644
--- a/libethereum/State.cpp
+++ b/libethereum/State.cpp
@@ -189,7 +189,7 @@ void State::commit()
 
 bool State::sync(BlockChain const& _bc)
 {
-	return sync(_bc, _bc.currentHash());
+return sync(_bc, _bc.currentHash());
 }
 
 bool State::sync(BlockChain const& _bc, h256 _block)
@@ -414,8 +414,6 @@ u256 State::playback(bytesConstRef _block, BlockInfo const& _grandParent, bool _
 // (i.e. all the transactions we executed).
 void State::commitToMine(BlockChain const& _bc)
 {
-	cnote << "Commiting to mine on" << m_previousBlock.hash;
-
 	if (m_currentBlock.sha3Transactions != h256() || m_currentBlock.sha3Uncles != h256())
 		return;
 
@@ -454,12 +452,19 @@ void State::commitToMine(BlockChain const& _bc)
 
 	// Commit any and all changes to the trie that are in the cache, then update the state root accordingly.
 	commit();
+
 	m_currentBlock.stateRoot = m_state.root();
 	m_currentBlock.parentHash = m_previousBlock.hash;
 }
 
 MineInfo State::mine(uint _msTimeout)
 {
+	if (m_previousBlock.hash != m_committedPreviousHash)
+	{
+		m_committedPreviousHash = m_committedPreviousHash;
+		cnote << "Commiting to mine on" << m_previousBlock.hash;
+	}
+
 	// Update timestamp according to clock.
 	m_currentBlock.timestamp = time(0);
 
diff --git a/libethereum/State.h b/libethereum/State.h
index a75acf131..7165b0847 100644
--- a/libethereum/State.h
+++ b/libethereum/State.h
@@ -224,6 +224,7 @@ private:
 	BlockInfo m_currentBlock;					///< The current block's information.
 	bytes m_currentBytes;						///< The current block.
 	uint m_currentNumber;
+	h256 m_committedPreviousHash;						///< Hash of previous block that we are committing to mine.
 
 	bytes m_currentTxs;
 	bytes m_currentUncles;
diff --git a/libethereum/Transaction.h b/libethereum/Transaction.h
index 8a0a86a79..c89c05ed8 100644
--- a/libethereum/Transaction.h
+++ b/libethereum/Transaction.h
@@ -61,6 +61,12 @@ struct Transaction
 
 using Transactions = std::vector<Transaction>;
 
+inline std::ostream& operator<<(std::ostream& _out, Transaction const& _t)
+{
+	_out << "{" << _t.receiveAddress << "/" << _t.nonce << "*" << _t.value << "}";
+	return _out;
+}
+
 }