diff --git a/ethchain/transaction_pool.go b/ethchain/transaction_pool.go
index d4175d973..103c305fe 100644
--- a/ethchain/transaction_pool.go
+++ b/ethchain/transaction_pool.go
@@ -162,6 +162,10 @@ func (pool *TxPool) ValidateTransaction(tx *Transaction) error {
 		return errors.New("[TXPL] No last block on the block chain")
 	}
 
+	if len(tx.Recipient) != 20 {
+		return fmt.Errorf("[TXPL] Invalid recipient. len = %d", len(tx.Recipient))
+	}
+
 	// Get the sender
 	//sender := pool.Ethereum.StateManager().procState.GetAccount(tx.Sender())
 	sender := pool.Ethereum.StateManager().CurrentState().GetAccount(tx.Sender())
@@ -207,6 +211,8 @@ out:
 				// Call blocking version.
 				pool.addTransaction(tx)
 
+				ethutil.Config.Log.Debugf("%x => %x (%v) %x\n", tx.Sender()[:4], tx.Recipient[:4], tx.Value, tx.Hash())
+
 				// Notify the subscribers
 				pool.Ethereum.Reactor().Post("newTx:pre", tx)
 			}
diff --git a/ethpub/pub.go b/ethpub/pub.go
index e00bd0dbe..5c636f7a2 100644
--- a/ethpub/pub.go
+++ b/ethpub/pub.go
@@ -193,8 +193,6 @@ func (lib *PEthereum) createTx(key, recipient, valueStr, gasStr, gasPriceStr, sc
 
 	if contractCreation {
 		ethutil.Config.Log.Infof("Contract addr %x", tx.CreationAddress())
-	} else {
-		ethutil.Config.Log.Infof("Tx hash %x", tx.Hash())
 	}
 
 	return NewPReciept(contractCreation, tx.CreationAddress(), tx.Hash(), keyPair.Address()), nil
diff --git a/ethutil/config.go b/ethutil/config.go
index e992bda12..f935e8f75 100644
--- a/ethutil/config.go
+++ b/ethutil/config.go
@@ -75,11 +75,11 @@ func ReadConfig(base string, logTypes LoggerType, g *globalconf.GlobalConf, id s
 	if Config == nil {
 		path := ApplicationFolder(base)
 
-		Config = &config{ExecPath: path, Debug: true, Ver: "0.5.0 RC12"}
+		Config = &config{ExecPath: path, Debug: true, Ver: "0.5.12"}
 		Config.conf = g
 		Config.Identifier = id
 		Config.Log = NewLogger(logTypes, LogLevelDebug)
-		Config.SetClientString("/Ethereum(G)")
+		Config.SetClientString("Ethereum(G)")
 	}
 
 	return Config
@@ -88,11 +88,9 @@ func ReadConfig(base string, logTypes LoggerType, g *globalconf.GlobalConf, id s
 // Set client string
 //
 func (c *config) SetClientString(str string) {
-	id := runtime.GOOS
-	if len(c.Identifier) > 0 {
-		id = c.Identifier
-	}
-	Config.ClientString = fmt.Sprintf("%s nv%s/%s", str, c.Ver, id)
+	os := runtime.GOOS
+	cust := c.Identifier
+	Config.ClientString = fmt.Sprintf("%s/v%s/%s/%s/Go", str, c.Ver, cust, os)
 }
 
 func (c *config) SetIdentifier(id string) {
diff --git a/peer.go b/peer.go
index 80975ff81..c7591ac31 100644
--- a/peer.go
+++ b/peer.go
@@ -153,6 +153,7 @@ func NewPeer(conn net.Conn, ethereum *Ethereum, inbound bool) *Peer {
 		pubkey:          pubkey,
 		blocksRequested: 10,
 		caps:            ethereum.ServerCaps(),
+		version:         ethutil.Config.ClientString,
 	}
 }
 
@@ -579,7 +580,7 @@ func (p *Peer) pushHandshake() error {
 		pubkey := keyRing.PublicKey
 
 		msg := ethwire.NewMessage(ethwire.MsgHandshakeTy, []interface{}{
-			uint32(ProtocolVersion), uint32(0), p.version, byte(p.caps), p.port, pubkey[1:],
+			uint32(ProtocolVersion), uint32(0), []byte(p.version), byte(p.caps), p.port, pubkey[1:],
 		})
 
 		p.QueueMessage(msg)