diff --git a/client.go b/client.go
index a645b47..a8acdbb 100755
--- a/client.go
+++ b/client.go
@@ -57,6 +57,11 @@ type ContractMeta struct {
 	ORG         string `json:"org"`
 }
 
+type DynamicProof struct {
+	Proof  []byte `json:"proof"`
+	height uint64 `json:"height"`
+}
+
 type Client struct {
 	meta          *ContractMeta
 	consumer      *Consumer
@@ -213,11 +218,23 @@ func (c *Client) getProof(response channel.Response) ([]byte, error) {
 		if err := proto.Unmarshal(t.TransactionEnvelope.Payload, pd); err != nil {
 			return nil, err
 		}
-
 		pt := &peer.Transaction{}
 		if err := proto.Unmarshal(pd.Data, pt); err != nil {
 			return nil, err
 		}
+		if c.config.Fabric.DynamicValidators {
+			block, err := l.QueryBlockByTxID(response.TransactionID)
+			if err != nil {
+				return nil, err
+			}
+			number := block.GetHeader().Number
+			dynamicProof := &DynamicProof{
+				Proof:  pt.Actions[0].Payload,
+				height: number,
+			}
+			dynamicProofBytes, _ := json.Marshal(dynamicProof)
+			return dynamicProofBytes, nil
+		}
 
 		return pt.Actions[0].Payload, nil
 	}
diff --git a/config.go b/config.go
index 876ee82..b59a75f 100644
--- a/config.go
+++ b/config.go
@@ -16,13 +16,14 @@ type Config struct {
 	Services []Service `mapstructure:"services" json:"services"`
 }
 type Fabric struct {
-	Name          string `toml:"name" json:"name"`
-	Username      string `toml:"username" json:"username"`
-	CCID          string `toml:"ccid" json:"ccid"`
-	ChannelId     string `mapstructure:"channel_id" toml:"channel_id" json:"channel_id"`
-	Org           string `toml:"org" json:"org"`
-	ServerPort    string `toml:"server_port" json:"server_port"`
-	TimeoutHeight int64  `mapstructure:"timeout_height" json:"timeout_height"`
+	Name              string `toml:"name" json:"name"`
+	Username          string `toml:"username" json:"username"`
+	CCID              string `toml:"ccid" json:"ccid"`
+	ChannelId         string `mapstructure:"channel_id" toml:"channel_id" json:"channel_id"`
+	Org               string `toml:"org" json:"org"`
+	ServerPort        string `toml:"server_port" json:"server_port"`
+	TimeoutHeight     int64  `mapstructure:"timeout_height" json:"timeout_height"`
+	DynamicValidators bool   `mapstructure:"dynamic_validators" json:"dynamic_validators"`
 }
 
 type Service struct {
@@ -34,12 +35,13 @@ type Service struct {
 func DefaultConfig() *Config {
 	return &Config{
 		Fabric: Fabric{
-			Name:          "fabric",
-			Username:      "Admin",
-			CCID:          "broker",
-			ChannelId:     "mychannel",
-			Org:           "org2",
-			TimeoutHeight: 30,
+			Name:              "fabric",
+			Username:          "Admin",
+			CCID:              "broker",
+			ChannelId:         "mychannel",
+			Org:               "org2",
+			TimeoutHeight:     30,
+			DynamicValidators: false,
 		},
 		Services: nil,
 	}
diff --git a/config/fabric-dynamic.validators b/config/fabric-dynamic.validators
new file mode 100644
index 0000000..be8055f
--- /dev/null
+++ b/config/fabric-dynamic.validators
@@ -0,0 +1,45 @@
+{
+	"height": [1, 9, 22],
+	"pem": ["-----BEGIN CERTIFICATE-----
+		MIICKTCCAc + gAwIBAgIRAIBO31aZaSZoEYSy2AJuhJcwCgYIKoZIzj0EAwIwczEL
+		MAkGA1UEBhMCVVMxEzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDVNhbiBG
+		cmFuY2lzY28xGTAXBgNVBAoTEG9yZzIuZXhhbXBsZS5jb20xHDAaBgNVBAMTE2Nh
+		Lm9yZzIuZXhhbXBsZS5jb20wHhcNMjAwMjA1MDgyMjAwWhcNMzAwMjAyMDgyMjAw
+		WjBqMQswCQYDVQQGEwJVUzETMBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMN
+		U2FuIEZyYW5jaXNjbzENMAsGA1UECxMEcGVlcjEfMB0GA1UEAxMWcGVlcjEub3Jn
+		Mi5leGFtcGxlLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABG3jszFPTbGm
+		dAYg2BxmHMTDKfQReNw3p9ttMK130qF5lQo5zLBG8Sa3viOCLnvjjg6A / P + yKnwv
+		isI / jEVE8T2jTTBLMA4GA1UdDwEB / wQEAwIHgDAMBgNVHRMBAf8EAjAAMCsGA1Ud
+		IwQkMCKAIMVL + daK7nMGr2 / AQIXTSPFkdd3UiPVDkWtkh5ujnalEMAoGCCqGSM49
+		BAMCA0gAMEUCIQDMYOQiYeMiQZTxlRkj / 3 / jjYvwwdCcX5AWuFmraiHkugIgFkX /
+		6 uiTSD0lz8P + wwlLf24cIABq2aZyi8q4gj0YfwA =
+		-- -- - END CERTIFICATE-- -- - ",
+		"-- -- - BEGIN CERTIFICATE-- -- -
+		MIICKTCCAc + gAwIBAgIRAIBO31aZaSZoEYSy2AJuhJcwCgYIKoZIzj0EAwIwczEL
+		MAkGA1UEBhMCVVMxEzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDVNhbiBG
+		cmFuY2lzY28xGTAXBgNVBAoTEG9yZzIuZXhhbXBsZS5jb20xHDAaBgNVBAMTE2Nh
+		Lm9yZzIuZXhhbXBsZS5jb20wHhcNMjAwMjA1MDgyMjAwWhcNMzAwMjAyMDgyMjAw
+		WjBqMQswCQYDVQQGEwJVUzETMBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMN
+		U2FuIEZyYW5jaXNjbzENMAsGA1UECxMEcGVlcjEfMB0GA1UEAxMWcGVlcjEub3Jn
+		Mi5leGFtcGxlLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABG3jszFPTbGm
+		dAYg2BxmHMTDKfQReNw3p9ttMK130qF5lQo5zLBG8Sa3viOCLnvjjg6A / P + yKnwv
+		isI / jEVE8T2jTTBLMA4GA1UdDwEB / wQEAwIHgDAMBgNVHRMBAf8EAjAAMCsGA1Ud
+		IwQkMCKAIMVL + daK7nMGr2 / AQIXTSPFkdd3UiPVDkWtkh5ujnalEMAoGCCqGSM49
+		BAMCA0gAMEUCIQDMYOQiYeMiQZTxlRkj / 3 / jjYvwwdCcX5AWuFmraiHkugIgFkX /
+		6 uiTSD0lz8P + wwlLf24cIABq2aZyi8q4gj0YfwA =
+		-- -- - END CERTIFICATE-- -- - ",
+		"-- -- - BEGIN CERTIFICATE-- -- -
+		MIICKTCCAc + gAwIBAgIRAIBO31aZaSZoEYSy2AJuhJcwCgYIKoZIzj0EAwIwczEL
+		MAkGA1UEBhMCVVMxEzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDVNhbiBG
+		cmFuY2lzY28xGTAXBgNVBAoTEG9yZzIuZXhhbXBsZS5jb20xHDAaBgNVBAMTE2Nh
+		Lm9yZzIuZXhhbXBsZS5jb20wHhcNMjAwMjA1MDgyMjAwWhcNMzAwMjAyMDgyMjAw
+		WjBqMQswCQYDVQQGEwJVUzETMBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMN
+		U2FuIEZyYW5jaXNjbzENMAsGA1UECxMEcGVlcjEfMB0GA1UEAxMWcGVlcjEub3Jn
+		Mi5leGFtcGxlLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABG3jszFPTbGm
+		dAYg2BxmHMTDKfQReNw3p9ttMK130qF5lQo5zLBG8Sa3viOCLnvjjg6A / P + yKnwv
+		isI / jEVE8T2jTTBLMA4GA1UdDwEB / wQEAwIHgDAMBgNVHRMBAf8EAjAAMCsGA1Ud
+		IwQkMCKAIMVL + daK7nMGr2 / AQIXTSPFkdd3UiPVDkWtkh5ujnalEMAoGCCqGSM49
+		BAMCA0gAMEUCIQDMYOQiYeMiQZTxlRkj / 3 / jjYvwwdCcX5AWuFmraiHkugIgFkX /
+		6 uiTSD0lz8P + wwlLf24cIABq2aZyi8q4gj0YfwA =
+		-- -- - END CERTIFICATE-- -- - "]
+	}
\ No newline at end of file
diff --git a/config/fabric.toml b/config/fabric.toml
index 70270c0..40eb778 100644
--- a/config/fabric.toml
+++ b/config/fabric.toml
@@ -5,6 +5,7 @@ channel_id = "mychannel"
 org = "org2"
 timeout_height = 30
 chain_id = "3"
+dynamic_validators = false
 
 [[services]]
 id = "mychannel&transfer"