diff --git a/eth/backend.go b/eth/backend.go
index b8b9416d5e..677b5d8e35 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -224,9 +224,9 @@ func (s *Ethereum) MaxPeers() int {
 func (s *Ethereum) Start(seed bool) error {
 	jsonlogger.LogJson(&ethlogger.LogStarting{
 		ClientString:    s.ClientIdentity().String(),
-		Guid:            ethutil.Bytes2Hex(s.ClientIdentity().Pubkey()),
 		Coinbase:        ethutil.Bytes2Hex(s.KeyManager().Address()),
 		ProtocolVersion: ProtocolVersion,
+		LogEvent:        ethlogger.LogEvent{Guid: ethutil.Bytes2Hex(s.ClientIdentity().Pubkey())},
 	})
 
 	err := s.net.Start()
diff --git a/logger/loggers.go b/logger/loggers.go
index fd2a01dfd7..147b2b85fa 100644
--- a/logger/loggers.go
+++ b/logger/loggers.go
@@ -114,13 +114,15 @@ func (logger *Logger) Fatalf(format string, v ...interface{}) {
 	os.Exit(0)
 }
 
-type JsonLogger struct{}
+type JsonLogger struct {
+	Coinbase string
+}
 
 func NewJsonLogger() *JsonLogger {
 	return &JsonLogger{}
 }
 
-func (logger *JsonLogger) LogJson(v LogEvent) {
+func (logger *JsonLogger) LogJson(v JsonLog) {
 	msgname := v.EventName()
 	obj := map[string]interface{}{
 		msgname: v,
diff --git a/logger/types.go b/logger/types.go
index 954a76ba3f..f8dcb4e78e 100644
--- a/logger/types.go
+++ b/logger/types.go
@@ -11,16 +11,21 @@ func (utctime8601) MarshalJSON() ([]byte, error) {
 	return []byte(`"` + time.Now().UTC().Format(time.RFC3339Nano)[:26] + `Z"`), nil
 }
 
-type LogEvent interface {
+type JsonLog interface {
 	EventName() string
 }
 
+type LogEvent struct {
+	Guid string      `json:"guid"`
+	Ts   utctime8601 `json:"ts"`
+	// Level string      `json:"level"`
+}
+
 type LogStarting struct {
-	ClientString    string      `json:"version_string"`
-	Guid            string      `json:"guid"`
-	Coinbase        string      `json:"coinbase"`
-	ProtocolVersion int         `json:"eth_version"`
-	Ts              utctime8601 `json:"ts"`
+	ClientString    string `json:"version_string"`
+	Coinbase        string `json:"coinbase"`
+	ProtocolVersion int    `json:"eth_version"`
+	LogEvent
 }
 
 func (l *LogStarting) EventName() string {
@@ -28,11 +33,10 @@ func (l *LogStarting) EventName() string {
 }
 
 type P2PConnecting struct {
-	RemoteId       string      `json:"remote_id"`
-	RemoteEndpoint string      `json:"remote_endpoint"`
-	Guid           string      `json:"guid"`
-	NumConnections int         `json:"num_connections"`
-	Ts             utctime8601 `json:"ts"`
+	RemoteId       string `json:"remote_id"`
+	RemoteEndpoint string `json:"remote_endpoint"`
+	NumConnections int    `json:"num_connections"`
+	LogEvent
 }
 
 func (l *P2PConnecting) EventName() string {
@@ -40,10 +44,9 @@ func (l *P2PConnecting) EventName() string {
 }
 
 type P2PConnected struct {
-	Guid           string      `json:"guid"`
-	NumConnections int         `json:"num_connections"`
-	RemoteId       string      `json:"remote_id"`
-	Ts             utctime8601 `json:"ts"`
+	NumConnections int    `json:"num_connections"`
+	RemoteId       string `json:"remote_id"`
+	LogEvent
 }
 
 func (l *P2PConnected) EventName() string {
@@ -53,9 +56,8 @@ func (l *P2PConnected) EventName() string {
 type P2PHandshaked struct {
 	RemoteCapabilities []string `json:"remote_capabilities"`
 	RemoteId           string   `json:"remote_id"`
-	Guid               string   `json:"guid"`
 	NumConnections     int      `json:"num_connections"`
-	Ts                 string   `json:"ts"`
+	LogEvent
 }
 
 func (l *P2PHandshaked) EventName() string {
@@ -63,10 +65,9 @@ func (l *P2PHandshaked) EventName() string {
 }
 
 type P2PDisconnected struct {
-	Guid           string      `json:"guid"`
-	NumConnections int         `json:"num_connections"`
-	RemoteId       string      `json:"remote_id"`
-	Ts             utctime8601 `json:"ts"`
+	NumConnections int    `json:"num_connections"`
+	RemoteId       string `json:"remote_id"`
+	LogEvent
 }
 
 func (l *P2PDisconnected) EventName() string {
@@ -74,11 +75,10 @@ func (l *P2PDisconnected) EventName() string {
 }
 
 type P2PDisconnecting struct {
-	Reason         string      `json:"reason"`
-	RemoteId       string      `json:"remote_id"`
-	Guid           string      `json:"guid"`
-	NumConnections int         `json:"num_connections"`
-	Ts             utctime8601 `json:"ts"`
+	Reason         string `json:"reason"`
+	RemoteId       string `json:"remote_id"`
+	NumConnections int    `json:"num_connections"`
+	LogEvent
 }
 
 func (l *P2PDisconnecting) EventName() string {
@@ -86,11 +86,10 @@ func (l *P2PDisconnecting) EventName() string {
 }
 
 type P2PDisconnectingBadHandshake struct {
-	Reason         string      `json:"reason"`
-	RemoteId       string      `json:"remote_id"`
-	Guid           string      `json:"guid"`
-	NumConnections int         `json:"num_connections"`
-	Ts             utctime8601 `json:"ts"`
+	Reason         string `json:"reason"`
+	RemoteId       string `json:"remote_id"`
+	NumConnections int    `json:"num_connections"`
+	LogEvent
 }
 
 func (l *P2PDisconnectingBadHandshake) EventName() string {
@@ -98,11 +97,10 @@ func (l *P2PDisconnectingBadHandshake) EventName() string {
 }
 
 type P2PDisconnectingBadProtocol struct {
-	Reason         string      `json:"reason"`
-	RemoteId       string      `json:"remote_id"`
-	Guid           string      `json:"guid"`
-	NumConnections int         `json:"num_connections"`
-	Ts             utctime8601 `json:"ts"`
+	Reason         string `json:"reason"`
+	RemoteId       string `json:"remote_id"`
+	NumConnections int    `json:"num_connections"`
+	LogEvent
 }
 
 func (l *P2PDisconnectingBadProtocol) EventName() string {
@@ -110,11 +108,10 @@ func (l *P2PDisconnectingBadProtocol) EventName() string {
 }
 
 type P2PDisconnectingReputation struct {
-	Reason         string      `json:"reason"`
-	RemoteId       string      `json:"remote_id"`
-	Guid           string      `json:"guid"`
-	NumConnections int         `json:"num_connections"`
-	Ts             utctime8601 `json:"ts"`
+	Reason         string `json:"reason"`
+	RemoteId       string `json:"remote_id"`
+	NumConnections int    `json:"num_connections"`
+	LogEvent
 }
 
 func (l *P2PDisconnectingReputation) EventName() string {
@@ -122,11 +119,10 @@ func (l *P2PDisconnectingReputation) EventName() string {
 }
 
 type P2PDisconnectingDHT struct {
-	Reason         string      `json:"reason"`
-	RemoteId       string      `json:"remote_id"`
-	Guid           string      `json:"guid"`
-	NumConnections int         `json:"num_connections"`
-	Ts             utctime8601 `json:"ts"`
+	Reason         string `json:"reason"`
+	RemoteId       string `json:"remote_id"`
+	NumConnections int    `json:"num_connections"`
+	LogEvent
 }
 
 func (l *P2PDisconnectingDHT) EventName() string {
@@ -134,11 +130,10 @@ func (l *P2PDisconnectingDHT) EventName() string {
 }
 
 type P2PEthDisconnectingBadBlock struct {
-	Reason         string      `json:"reason"`
-	RemoteId       string      `json:"remote_id"`
-	Guid           string      `json:"guid"`
-	NumConnections int         `json:"num_connections"`
-	Ts             utctime8601 `json:"ts"`
+	Reason         string `json:"reason"`
+	RemoteId       string `json:"remote_id"`
+	NumConnections int    `json:"num_connections"`
+	LogEvent
 }
 
 func (l *P2PEthDisconnectingBadBlock) EventName() string {
@@ -146,11 +141,10 @@ func (l *P2PEthDisconnectingBadBlock) EventName() string {
 }
 
 type P2PEthDisconnectingBadTx struct {
-	Reason         string      `json:"reason"`
-	RemoteId       string      `json:"remote_id"`
-	Guid           string      `json:"guid"`
-	NumConnections int         `json:"num_connections"`
-	Ts             utctime8601 `json:"ts"`
+	Reason         string `json:"reason"`
+	RemoteId       string `json:"remote_id"`
+	NumConnections int    `json:"num_connections"`
+	LogEvent
 }
 
 func (l *P2PEthDisconnectingBadTx) EventName() string {
@@ -158,14 +152,13 @@ func (l *P2PEthDisconnectingBadTx) EventName() string {
 }
 
 type EthNewBlockMined struct {
-	BlockNumber     int         `json:"block_number"`
-	HeadHash        string      `json:"head_hash"`
-	BlockHash       string      `json:"block_hash"`
-	BlockHexRlp     string      `json:"block_hexrlp"`
-	BlockDifficulty int         `json:"block_difficulty"`
-	Guid            string      `json:"guid"`
-	BlockPrevHash   string      `json:"block_prev_hash"`
-	Ts              utctime8601 `json:"ts"`
+	BlockNumber     int    `json:"block_number"`
+	HeadHash        string `json:"head_hash"`
+	BlockHash       string `json:"block_hash"`
+	BlockHexRlp     string `json:"block_hexrlp"`
+	BlockDifficulty int    `json:"block_difficulty"`
+	BlockPrevHash   string `json:"block_prev_hash"`
+	LogEvent
 }
 
 func (l *EthNewBlockMined) EventName() string {
@@ -173,13 +166,12 @@ func (l *EthNewBlockMined) EventName() string {
 }
 
 type EthNewBlockBroadcasted struct {
-	BlockNumber     int         `json:"block_number"`
-	HeadHash        string      `json:"head_hash"`
-	BlockHash       string      `json:"block_hash"`
-	BlockDifficulty int         `json:"block_difficulty"`
-	Guid            string      `json:"guid"`
-	BlockPrevHash   string      `json:"block_prev_hash"`
-	Ts              utctime8601 `json:"ts"`
+	BlockNumber     int    `json:"block_number"`
+	HeadHash        string `json:"head_hash"`
+	BlockHash       string `json:"block_hash"`
+	BlockDifficulty int    `json:"block_difficulty"`
+	BlockPrevHash   string `json:"block_prev_hash"`
+	LogEvent
 }
 
 func (l *EthNewBlockBroadcasted) EventName() string {
@@ -187,13 +179,12 @@ func (l *EthNewBlockBroadcasted) EventName() string {
 }
 
 type EthNewBlockReceived struct {
-	BlockNumber     int         `json:"block_number"`
-	HeadHash        string      `json:"head_hash"`
-	BlockHash       string      `json:"block_hash"`
-	BlockDifficulty int         `json:"block_difficulty"`
-	Guid            string      `json:"guid"`
-	BlockPrevHash   string      `json:"block_prev_hash"`
-	Ts              utctime8601 `json:"ts"`
+	BlockNumber     int    `json:"block_number"`
+	HeadHash        string `json:"head_hash"`
+	BlockHash       string `json:"block_hash"`
+	BlockDifficulty int    `json:"block_difficulty"`
+	BlockPrevHash   string `json:"block_prev_hash"`
+	LogEvent
 }
 
 func (l *EthNewBlockReceived) EventName() string {
@@ -201,13 +192,12 @@ func (l *EthNewBlockReceived) EventName() string {
 }
 
 type EthNewBlockIsKnown struct {
-	BlockNumber     int         `json:"block_number"`
-	HeadHash        string      `json:"head_hash"`
-	BlockHash       string      `json:"block_hash"`
-	BlockDifficulty int         `json:"block_difficulty"`
-	Guid            string      `json:"guid"`
-	BlockPrevHash   string      `json:"block_prev_hash"`
-	Ts              utctime8601 `json:"ts"`
+	BlockNumber     int    `json:"block_number"`
+	HeadHash        string `json:"head_hash"`
+	BlockHash       string `json:"block_hash"`
+	BlockDifficulty int    `json:"block_difficulty"`
+	BlockPrevHash   string `json:"block_prev_hash"`
+	LogEvent
 }
 
 func (l *EthNewBlockIsKnown) EventName() string {
@@ -215,13 +205,12 @@ func (l *EthNewBlockIsKnown) EventName() string {
 }
 
 type EthNewBlockIsNew struct {
-	BlockNumber     int         `json:"block_number"`
-	HeadHash        string      `json:"head_hash"`
-	BlockHash       string      `json:"block_hash"`
-	BlockDifficulty int         `json:"block_difficulty"`
-	Guid            string      `json:"guid"`
-	BlockPrevHash   string      `json:"block_prev_hash"`
-	Ts              utctime8601 `json:"ts"`
+	BlockNumber     int    `json:"block_number"`
+	HeadHash        string `json:"head_hash"`
+	BlockHash       string `json:"block_hash"`
+	BlockDifficulty int    `json:"block_difficulty"`
+	BlockPrevHash   string `json:"block_prev_hash"`
+	LogEvent
 }
 
 func (l *EthNewBlockIsNew) EventName() string {
@@ -229,13 +218,12 @@ func (l *EthNewBlockIsNew) EventName() string {
 }
 
 type EthNewBlockMissingParent struct {
-	BlockNumber     int         `json:"block_number"`
-	HeadHash        string      `json:"head_hash"`
-	BlockHash       string      `json:"block_hash"`
-	BlockDifficulty int         `json:"block_difficulty"`
-	Guid            string      `json:"guid"`
-	BlockPrevHash   string      `json:"block_prev_hash"`
-	Ts              utctime8601 `json:"ts"`
+	BlockNumber     int    `json:"block_number"`
+	HeadHash        string `json:"head_hash"`
+	BlockHash       string `json:"block_hash"`
+	BlockDifficulty int    `json:"block_difficulty"`
+	BlockPrevHash   string `json:"block_prev_hash"`
+	LogEvent
 }
 
 func (l *EthNewBlockMissingParent) EventName() string {
@@ -243,13 +231,12 @@ func (l *EthNewBlockMissingParent) EventName() string {
 }
 
 type EthNewBlockIsInvalid struct {
-	BlockNumber     int         `json:"block_number"`
-	HeadHash        string      `json:"head_hash"`
-	BlockHash       string      `json:"block_hash"`
-	BlockDifficulty int         `json:"block_difficulty"`
-	Guid            string      `json:"guid"`
-	BlockPrevHash   string      `json:"block_prev_hash"`
-	Ts              utctime8601 `json:"ts"`
+	BlockNumber     int    `json:"block_number"`
+	HeadHash        string `json:"head_hash"`
+	BlockHash       string `json:"block_hash"`
+	BlockDifficulty int    `json:"block_difficulty"`
+	BlockPrevHash   string `json:"block_prev_hash"`
+	LogEvent
 }
 
 func (l *EthNewBlockIsInvalid) EventName() string {
@@ -257,13 +244,12 @@ func (l *EthNewBlockIsInvalid) EventName() string {
 }
 
 type EthNewBlockChainIsOlder struct {
-	BlockNumber     int         `json:"block_number"`
-	HeadHash        string      `json:"head_hash"`
-	BlockHash       string      `json:"block_hash"`
-	BlockDifficulty int         `json:"block_difficulty"`
-	Guid            string      `json:"guid"`
-	BlockPrevHash   string      `json:"block_prev_hash"`
-	Ts              utctime8601 `json:"ts"`
+	BlockNumber     int    `json:"block_number"`
+	HeadHash        string `json:"head_hash"`
+	BlockHash       string `json:"block_hash"`
+	BlockDifficulty int    `json:"block_difficulty"`
+	BlockPrevHash   string `json:"block_prev_hash"`
+	LogEvent
 }
 
 func (l *EthNewBlockChainIsOlder) EventName() string {
@@ -271,13 +257,12 @@ func (l *EthNewBlockChainIsOlder) EventName() string {
 }
 
 type EthNewBlockChainIsCanonical struct {
-	BlockNumber     int         `json:"block_number"`
-	HeadHash        string      `json:"head_hash"`
-	BlockHash       string      `json:"block_hash"`
-	BlockDifficulty int         `json:"block_difficulty"`
-	Guid            string      `json:"guid"`
-	BlockPrevHash   string      `json:"block_prev_hash"`
-	Ts              utctime8601 `json:"ts"`
+	BlockNumber     int    `json:"block_number"`
+	HeadHash        string `json:"head_hash"`
+	BlockHash       string `json:"block_hash"`
+	BlockDifficulty int    `json:"block_difficulty"`
+	BlockPrevHash   string `json:"block_prev_hash"`
+	LogEvent
 }
 
 func (l *EthNewBlockChainIsCanonical) EventName() string {
@@ -285,13 +270,12 @@ func (l *EthNewBlockChainIsCanonical) EventName() string {
 }
 
 type EthNewBlockChainNotCanonical struct {
-	BlockNumber     int         `json:"block_number"`
-	HeadHash        string      `json:"head_hash"`
-	BlockHash       string      `json:"block_hash"`
-	BlockDifficulty int         `json:"block_difficulty"`
-	Guid            string      `json:"guid"`
-	BlockPrevHash   string      `json:"block_prev_hash"`
-	Ts              utctime8601 `json:"ts"`
+	BlockNumber     int    `json:"block_number"`
+	HeadHash        string `json:"head_hash"`
+	BlockHash       string `json:"block_hash"`
+	BlockDifficulty int    `json:"block_difficulty"`
+	BlockPrevHash   string `json:"block_prev_hash"`
+	LogEvent
 }
 
 func (l *EthNewBlockChainNotCanonical) EventName() string {
@@ -299,14 +283,13 @@ func (l *EthNewBlockChainNotCanonical) EventName() string {
 }
 
 type EthNewBlockChainSwitched struct {
-	BlockNumber     int         `json:"block_number"`
-	HeadHash        string      `json:"head_hash"`
-	OldHeadHash     string      `json:"old_head_hash"`
-	BlockHash       string      `json:"block_hash"`
-	BlockDifficulty int         `json:"block_difficulty"`
-	Guid            string      `json:"guid"`
-	BlockPrevHash   string      `json:"block_prev_hash"`
-	Ts              utctime8601 `json:"ts"`
+	BlockNumber     int    `json:"block_number"`
+	HeadHash        string `json:"head_hash"`
+	OldHeadHash     string `json:"old_head_hash"`
+	BlockHash       string `json:"block_hash"`
+	BlockDifficulty int    `json:"block_difficulty"`
+	BlockPrevHash   string `json:"block_prev_hash"`
+	LogEvent
 }
 
 func (l *EthNewBlockChainSwitched) EventName() string {
@@ -314,13 +297,12 @@ func (l *EthNewBlockChainSwitched) EventName() string {
 }
 
 type EthTxCreated struct {
-	TxHash    string      `json:"tx_hash"`
-	TxSender  string      `json:"tx_sender"`
-	TxAddress string      `json:"tx_address"`
-	TxHexRLP  string      `json:"tx_hexrlp"`
-	TxNonce   int         `json:"tx_nonce"`
-	Guid      string      `json:"guid"`
-	Ts        utctime8601 `json:"ts"`
+	TxHash    string `json:"tx_hash"`
+	TxSender  string `json:"tx_sender"`
+	TxAddress string `json:"tx_address"`
+	TxHexRLP  string `json:"tx_hexrlp"`
+	TxNonce   int    `json:"tx_nonce"`
+	LogEvent
 }
 
 func (l *EthTxCreated) EventName() string {
@@ -328,13 +310,12 @@ func (l *EthTxCreated) EventName() string {
 }
 
 type EthTxReceived struct {
-	TxHash    string      `json:"tx_hash"`
-	TxAddress string      `json:"tx_address"`
-	TxHexRLP  string      `json:"tx_hexrlp"`
-	RemoteId  string      `json:"remote_id"`
-	TxNonce   int         `json:"tx_nonce"`
-	Guid      string      `json:"guid"`
-	Ts        utctime8601 `json:"ts"`
+	TxHash    string `json:"tx_hash"`
+	TxAddress string `json:"tx_address"`
+	TxHexRLP  string `json:"tx_hexrlp"`
+	RemoteId  string `json:"remote_id"`
+	TxNonce   int    `json:"tx_nonce"`
+	LogEvent
 }
 
 func (l *EthTxReceived) EventName() string {
@@ -342,12 +323,11 @@ func (l *EthTxReceived) EventName() string {
 }
 
 type EthTxBroadcasted struct {
-	TxHash    string      `json:"tx_hash"`
-	TxSender  string      `json:"tx_sender"`
-	TxAddress string      `json:"tx_address"`
-	TxNonce   int         `json:"tx_nonce"`
-	Guid      string      `json:"guid"`
-	Ts        utctime8601 `json:"ts"`
+	TxHash    string `json:"tx_hash"`
+	TxSender  string `json:"tx_sender"`
+	TxAddress string `json:"tx_address"`
+	TxNonce   int    `json:"tx_nonce"`
+	LogEvent
 }
 
 func (l *EthTxBroadcasted) EventName() string {
@@ -355,12 +335,11 @@ func (l *EthTxBroadcasted) EventName() string {
 }
 
 type EthTxValidated struct {
-	TxHash    string      `json:"tx_hash"`
-	TxSender  string      `json:"tx_sender"`
-	TxAddress string      `json:"tx_address"`
-	TxNonce   int         `json:"tx_nonce"`
-	Guid      string      `json:"guid"`
-	Ts        utctime8601 `json:"ts"`
+	TxHash    string `json:"tx_hash"`
+	TxSender  string `json:"tx_sender"`
+	TxAddress string `json:"tx_address"`
+	TxNonce   int    `json:"tx_nonce"`
+	LogEvent
 }
 
 func (l *EthTxValidated) EventName() string {
@@ -368,13 +347,12 @@ func (l *EthTxValidated) EventName() string {
 }
 
 type EthTxIsInvalid struct {
-	TxHash    string      `json:"tx_hash"`
-	TxSender  string      `json:"tx_sender"`
-	TxAddress string      `json:"tx_address"`
-	Reason    string      `json:"reason"`
-	TxNonce   int         `json:"tx_nonce"`
-	Guid      string      `json:"guid"`
-	Ts        utctime8601 `json:"ts"`
+	TxHash    string `json:"tx_hash"`
+	TxSender  string `json:"tx_sender"`
+	TxAddress string `json:"tx_address"`
+	Reason    string `json:"reason"`
+	TxNonce   int    `json:"tx_nonce"`
+	LogEvent
 }
 
 func (l *EthTxIsInvalid) EventName() string {
diff --git a/p2p/server.go b/p2p/server.go
index ee2d26dbe6..e0d9f18a58 100644
--- a/p2p/server.go
+++ b/p2p/server.go
@@ -20,8 +20,6 @@ const (
 
 var srvlog = logger.NewLogger("P2P Server")
 
-var jsonlogger = logger.NewJsonLogger()
-
 // Server manages all peer connections.
 //
 // The fields of Server are used as configuration parameters.