diff --git a/cmd/priv_val_server/main.go b/cmd/priv_val_server/main.go
new file mode 100644
index 000000000..651707e83
--- /dev/null
+++ b/cmd/priv_val_server/main.go
@@ -0,0 +1,32 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+
+	cmn "github.com/tendermint/tmlibs/common"
+	"github.com/tendermint/tmlibs/log"
+
+	priv_val "github.com/tendermint/tendermint/types/priv_validator"
+)
+
+var chainID = flag.String("chain-id", "mychain", "chain id")
+var privValPath = flag.String("priv", "", "priv val file path")
+
+func main() {
+	flag.Parse()
+
+	logger := log.NewTMLogger(log.NewSyncWriter(os.Stdout)).With("module", "priv_val")
+	socketAddr := "localhost:46659"
+	fmt.Println(*chainID)
+	fmt.Println(*privValPath)
+	privVal := priv_val.LoadPrivValidatorJSON(*privValPath)
+
+	pvss := priv_val.NewPrivValidatorSocketServer(logger, socketAddr, *chainID, privVal)
+	pvss.Start()
+
+	cmn.TrapSignal(func() {
+		pvss.Stop()
+	})
+}
diff --git a/cmd/tendermint/commands/run_node.go b/cmd/tendermint/commands/run_node.go
index 76d61671d..bebef5edc 100644
--- a/cmd/tendermint/commands/run_node.go
+++ b/cmd/tendermint/commands/run_node.go
@@ -14,6 +14,9 @@ func AddNodeFlags(cmd *cobra.Command) {
 	// bind flags
 	cmd.Flags().String("moniker", config.Moniker, "Node Name")
 
+	// priv val flags
+	cmd.Flags().String("priv_validator_addr", config.PrivValidatorAddr, "Socket address for PrivValidator")
+
 	// node flags
 	cmd.Flags().Bool("fast_sync", config.FastSync, "Fast blockchain syncing")
 
diff --git a/config/config.go b/config/config.go
index 621847bd0..6a882185f 100644
--- a/config/config.go
+++ b/config/config.go
@@ -103,6 +103,9 @@ type BaseConfig struct {
 	// A custom human readable name for this node
 	Moniker string `mapstructure:"moniker"`
 
+	// TCP or UNIX socket address of the PrivValidator server
+	PrivValidatorAddr string `mapstructure:"priv_validator_addr"`
+
 	// TCP or UNIX socket address of the ABCI application,
 	// or the name of an ABCI application compiled in with the Tendermint binary
 	ProxyApp string `mapstructure:"proxy_app"`
diff --git a/node/node.go b/node/node.go
index cd2b4bcb5..859cc1df1 100644
--- a/node/node.go
+++ b/node/node.go
@@ -77,8 +77,20 @@ type NodeProvider func(*cfg.Config, log.Logger) (*Node, error)
 // PrivValidator, ClientCreator, GenesisDoc, and DBProvider.
 // It implements NodeProvider.
 func DefaultNewNode(config *cfg.Config, logger log.Logger) (*Node, error) {
+	var privVal types.PrivValidator
+	privVal = types.LoadOrGenPrivValidatorFS(config.PrivValidatorFile())
+	/*
+		if config.PrivValidatorAddr != "" {
+			pvsc := priv_val.NewPrivValidatorSocketClient(logger.With("module", "priv_val"),
+				config.PrivValidatorAddr)
+			pvsc.Start()
+			privVal = pvsc
+		}
+	*/
+	fmt.Println("PRIV", config.PrivValidatorAddr)
+
 	return NewNode(config,
-		types.LoadOrGenPrivValidatorFS(config.PrivValidatorFile()),
+		privVal,
 		proxy.DefaultClientCreator(config.ProxyApp, config.ABCI, config.DBDir()),
 		DefaultGenesisDocProviderFunc(config),
 		DefaultDBProvider,