diff --git a/dfssc/cmd/root.go b/dfssc/cmd/root.go
index dd65f9ba71e980c2781fe82d9f51c38ff475a536..a319d76ea6a95b696ea5442b9547e391aede292c 100644
--- a/dfssc/cmd/root.go
+++ b/dfssc/cmd/root.go
@@ -24,7 +24,7 @@ A tool to sign multiparty contract using a secure cryptographic protocol`,
 	},
 	PersistentPreRun: func(cmd *cobra.Command, args []string) {
 		net.DefaultTimeout = viper.GetDuration("timeout")
-		dapi.Configure(viper.GetString("demo") != "", viper.GetString("demo"), "client")
+		dapi.Configure(viper.GetBool("verbose"), viper.GetString("demo") != "", viper.GetString("demo"), "client")
 	},
 	PersistentPostRun: func(cmd *cobra.Command, args []string) {
 		dapi.DClose()
diff --git a/dfssd/api/client.go b/dfssd/api/client.go
index 4485698f0098269256939167afead60c705438a8..537ff7dc227773f5cfc15be19925f077261afb85 100644
--- a/dfssd/api/client.go
+++ b/dfssd/api/client.go
@@ -1,6 +1,7 @@
 package api
 
 import (
+	"fmt"
 	"time"
 
 	"golang.org/x/net/context"
@@ -10,7 +11,7 @@ import (
 
 var (
 	address, identifier string
-	demo                bool
+	demo, verbose       bool
 	// lazy initializer
 	dial       *grpc.ClientConn
 	demoClient DemonstratorClient
@@ -18,10 +19,11 @@ var (
 
 // Configure is used to update current parameters.
 // Call it at least one time before the first DLog call.
-func Configure(activated bool, addrport, id string) {
+func Configure(verbswitch, activated bool, addrport, id string) {
 	address = addrport
 	identifier = id
 	demo = activated
+	verbose = verbswitch
 }
 
 // SetIdentifier updates the current client identifier.
@@ -58,6 +60,11 @@ func DClose() {
 //
 // The client is dialed in a lazy way
 func DLog(log string) {
+	// check verbose switch
+	if verbose {
+		fmt.Println(log)
+	}
+
 	// check demo switch
 	if !demo {
 		return
diff --git a/dfssp/cmd/root.go b/dfssp/cmd/root.go
index 03cd567450f05b33405d9b4d3a9479f0c6cb4479..8def069e7c3e57724166a788591af55d413f7486 100644
--- a/dfssp/cmd/root.go
+++ b/dfssp/cmd/root.go
@@ -20,7 +20,7 @@ Users and Contracts manager`,
 		_ = cmd.Help()
 	},
 	PersistentPreRun: func(cmd *cobra.Command, args []string) {
-		dapi.Configure(viper.GetString("demo") != "", viper.GetString("demo"), "platform")
+		dapi.Configure(viper.GetBool("verbose"), viper.GetString("demo") != "", viper.GetString("demo"), "platform")
 	},
 	PersistentPostRun: func(cmd *cobra.Command, args []string) {
 		dapi.DClose()
diff --git a/dfsst/cmd/root.go b/dfsst/cmd/root.go
index f620db2b6df6109780746d2702ae3ad74791116d..c166472919d5b0896a96723837b14620078b1edf 100644
--- a/dfsst/cmd/root.go
+++ b/dfsst/cmd/root.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"dfss"
+	dapi "dfss/dfssd/api"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
@@ -22,6 +23,12 @@ Sign your contract using a secure cryptographic protocol`,
 	Run: func(cmd *cobra.Command, args []string) {
 		_ = cmd.Help()
 	},
+	PersistentPreRun: func(cmd *cobra.Command, args []string) {
+		dapi.Configure(viper.GetBool("verbose"), viper.GetString("demo") != "", viper.GetString("demo"), "ttp")
+	},
+	PersistentPostRun: func(cmd *cobra.Command, args []string) {
+		dapi.DClose()
+	},
 }
 
 // All of the flags will be gathered by viper, this is why
diff --git a/dfsst/cmd/start.go b/dfsst/cmd/start.go
index c36cab923075b22996cedf8fbad9b78b1cc31cc0..c1a484f1abaa3d7ff1e243b7522d85f475ddfbec 100644
--- a/dfsst/cmd/start.go
+++ b/dfsst/cmd/start.go
@@ -20,9 +20,6 @@ var startCmd = &cobra.Command{
 
 Fill the DFSS_TTP_PASSWORD environment variable if the private key is enciphered`,
 	Run: func(cmd *cobra.Command, args []string) {
-		demo := viper.GetString("demo")
-		dapi.Configure(demo != "", demo, "ttp")
-
 		srv := server.GetServer()
 
 		addrPort := viper.GetString("address") + ":" + strconv.Itoa(viper.GetInt("port"))