diff --git a/execution/execution.go b/execution/execution.go
index 77f016200..6dab8d9ee 100644
--- a/execution/execution.go
+++ b/execution/execution.go
@@ -6,7 +6,7 @@ import (
 )
 
 // New returns a new execution. It returns an error if inputs are invalid.
-func New(processHash, instanceHash, parentHash, eventHash hash.Hash, nodeKey, taskKey, price string, inputs *types.Struct, tags []string, executorHash hash.Hash) *Execution {
+func New(processHash, instanceHash, parentHash, eventHash hash.Hash, nodeKey, taskKey, price string, inputs *types.Struct, tags []string, executorHash hash.Hash, confs int64) *Execution {
 	exec := &Execution{
 		ProcessHash:  processHash,
 		EventHash:    eventHash,
@@ -17,19 +17,20 @@ func New(processHash, instanceHash, parentHash, eventHash hash.Hash, nodeKey, ta
 		NodeKey:      nodeKey,
 		Tags:         tags,
 		Price:        price,
-		Status:       Status_Created,
+		Status:       Status_Voting,
 		ExecutorHash: executorHash,
+		Confs:        confs,
 	}
 	exec.Hash = hash.Dump(exec)
 	return exec
 }
 
 // Execute changes executions status to in progres and update its execute time.
-// It returns an error if the status is different then Created.
+// It returns an error if the status is different then Passed.
 func (execution *Execution) Execute() error {
-	if execution.Status != Status_Created {
+	if execution.Status != Status_Passed {
 		return StatusError{
-			ExpectedStatus: Status_Created,
+			ExpectedStatus: Status_Passed,
 			ActualStatus:   execution.Status,
 		}
 	}
diff --git a/execution/execution.pb.go b/execution/execution.pb.go
index 70c7f5530..bef95db33 100644
--- a/execution/execution.pb.go
+++ b/execution/execution.pb.go
@@ -32,30 +32,34 @@ type Status int32
 const (
 	// Unknown status represents any status unknown to execution.
 	Status_Unknown Status = 0
-	// Created is an initial status after execution creation.
-	Status_Created Status = 1
+	// Passed is an status after voting phase.
+	Status_Passed Status = 1
 	// InProgress informs that processing of execution has been started.
 	Status_InProgress Status = 2
 	// Completed is a success status after execution was processed.
 	Status_Completed Status = 3
 	// Failed is an error status after execution was processed.
 	Status_Failed Status = 4
+	// Voting is an initial status after execution creation.
+	Status_Voting Status = 5
 )
 
 var Status_name = map[int32]string{
 	0: "Unknown",
-	1: "Created",
+	1: "Passed",
 	2: "InProgress",
 	3: "Completed",
 	4: "Failed",
+	5: "Voting",
 }
 
 var Status_value = map[string]int32{
 	"Unknown":    0,
-	"Created":    1,
+	"Passed":     1,
 	"InProgress": 2,
 	"Completed":  3,
 	"Failed":     4,
+	"Voting":     5,
 }
 
 func (x Status) String() string {
@@ -99,7 +103,9 @@ type Execution struct {
 	// price of running the exeuction.
 	Price string `protobuf:"bytes,14,opt,name=price,proto3" json:"price,omitempty" hash:"name:14" validate:"coins"`
 	// blockHeight where the execution was included into blockchain.
-	BlockHeight          int64    `protobuf:"varint,15,opt,name=blockHeight,proto3" json:"blockHeight,omitempty" hash:"-"`
+	BlockHeight int64 `protobuf:"varint,15,opt,name=blockHeight,proto3" json:"blockHeight,omitempty" hash:"-"`
+	// confs is the number of conrimations the exeuction needs to have before chaingin status to passed
+	Confs                int64    `protobuf:"varint,16,opt,name=confs,proto3" json:"confs,omitempty" hash:"-"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -137,45 +143,46 @@ func init() {
 func init() { proto.RegisterFile("execution.proto", fileDescriptor_776e2c5022e94aef) }
 
 var fileDescriptor_776e2c5022e94aef = []byte{
-	// 598 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x54, 0x5f, 0x4f, 0xdb, 0x3e,
-	0x14, 0x25, 0xb4, 0xb4, 0xf4, 0xb6, 0x94, 0xfe, 0x2c, 0xfd, 0xa4, 0x88, 0x49, 0x24, 0xf2, 0x5e,
-	0xb2, 0x01, 0xc9, 0x28, 0x63, 0x7f, 0x90, 0xa6, 0x6d, 0x65, 0x4c, 0x4c, 0xd3, 0xa4, 0x29, 0x68,
-	0x2f, 0x7b, 0x73, 0x13, 0x93, 0x58, 0xb4, 0x76, 0x64, 0x3b, 0x6c, 0x7c, 0xa3, 0x7d, 0x14, 0x1e,
-	0xf7, 0xbc, 0x87, 0x4a, 0xdb, 0x47, 0xe0, 0x13, 0x4c, 0x71, 0x08, 0xa4, 0x4c, 0x9a, 0x26, 0xc4,
-	0x5b, 0x6f, 0xef, 0x39, 0xe7, 0x1e, 0x1f, 0x5f, 0x07, 0x56, 0xe9, 0x57, 0x1a, 0xe5, 0x9a, 0x09,
-	0xee, 0x67, 0x52, 0x68, 0x81, 0x60, 0x4a, 0x55, 0xe2, 0xeb, 0xb3, 0x8c, 0xaa, 0x35, 0x9c, 0x88,
-	0x44, 0x04, 0xe6, 0xff, 0x71, 0x7e, 0x1c, 0x14, 0x95, 0x29, 0xcc, 0xaf, 0x12, 0xbf, 0x76, 0xef,
-	0xaa, 0x6d, 0x38, 0x81, 0xd2, 0x32, 0x8f, 0x74, 0xd9, 0xc4, 0xdf, 0x97, 0xa1, 0x73, 0x50, 0x0d,
-	0x40, 0x47, 0xd0, 0x4c, 0x89, 0x4a, 0x6d, 0xcb, 0xb5, 0xbc, 0xde, 0xe8, 0xe5, 0xf9, 0xcc, 0x59,
-	0xf8, 0x31, 0x73, 0x36, 0x12, 0xa6, 0xd3, 0x7c, 0xec, 0x47, 0x62, 0x1a, 0x14, 0xb3, 0xb7, 0x8e,
-	0x45, 0xce, 0x63, 0x52, 0x30, 0x02, 0xca, 0x13, 0xc6, 0x69, 0x50, 0xb0, 0xfc, 0x43, 0xa2, 0xd2,
-	0x8b, 0x99, 0xb3, 0x5c, 0x14, 0x7b, 0x78, 0x0b, 0x87, 0x46, 0x0c, 0xc5, 0x00, 0x19, 0x91, 0x94,
-	0xeb, 0xa2, 0x6f, 0x2f, 0x1a, 0xe9, 0x37, 0xb7, 0x93, 0x5e, 0x29, 0xa5, 0x39, 0x99, 0xd2, 0xbd,
-	0x21, 0x0e, 0x6b, 0xba, 0x68, 0x0c, 0x1d, 0x7a, 0x5a, 0x0d, 0x69, 0xdc, 0xd5, 0x90, 0x1d, 0x1c,
-	0x5e, 0xcb, 0xa2, 0x67, 0xd0, 0x52, 0x9a, 0xe8, 0x5c, 0xd9, 0x4d, 0xd7, 0xf2, 0xfa, 0x43, 0xe4,
-	0x5f, 0x5f, 0x85, 0x7f, 0x64, 0x3a, 0xa3, 0xde, 0x5c, 0x02, 0x97, 0x78, 0x94, 0x42, 0x8f, 0x71,
-	0xa5, 0x09, 0x8f, 0xa8, 0x31, 0xb8, 0x74, 0x57, 0x06, 0x77, 0x71, 0x38, 0xa7, 0x8c, 0x36, 0xa0,
-	0xad, 0x89, 0x3a, 0x79, 0x4f, 0xcf, 0xec, 0x96, 0x6b, 0x79, 0x9d, 0xd1, 0x7f, 0x37, 0x18, 0x4f,
-	0x70, 0x58, 0x21, 0xd0, 0x2b, 0x68, 0x31, 0x9e, 0xe5, 0x5a, 0xd9, 0x6d, 0xd7, 0xf2, 0xba, 0xc3,
-	0xff, 0xcb, 0x03, 0x55, 0x0b, 0xe3, 0x1f, 0x99, 0x55, 0xf9, 0x43, 0xe2, 0x29, 0x0e, 0x2f, 0x79,
-	0xe8, 0x05, 0xb4, 0x45, 0xae, 0x8d, 0xc4, 0xf2, 0xdf, 0x24, 0xe6, 0x63, 0xa9, 0x38, 0x08, 0xc3,
-	0x12, 0x95, 0x52, 0x48, 0xbb, 0x63, 0xbc, 0xce, 0xa3, 0xca, 0x16, 0x7a, 0x0d, 0x4d, 0x4d, 0x12,
-	0x65, 0x83, 0xdb, 0xf0, 0x3a, 0xa3, 0xad, 0x8b, 0x99, 0xf3, 0xa0, 0xe6, 0x65, 0xfb, 0x11, 0x76,
-	0x4f, 0xc9, 0x84, 0xc5, 0x44, 0xd3, 0x3d, 0x1c, 0xb3, 0x53, 0xba, 0x99, 0x49, 0xc6, 0x35, 0x51,
-	0x11, 0x63, 0x38, 0x34, 0x54, 0x94, 0x40, 0x37, 0x93, 0x22, 0xa2, 0x4a, 0x99, 0xf4, 0xbb, 0x26,
-	0xfd, 0x83, 0xdb, 0xa5, 0xdf, 0xaf, 0x0f, 0xdf, 0xc6, 0x61, 0x5d, 0x19, 0x6d, 0x42, 0x9b, 0x8b,
-	0x98, 0x16, 0xe9, 0xf7, 0xcc, 0x89, 0xd0, 0x4d, 0xc6, 0x10, 0x87, 0x15, 0x04, 0x31, 0xe8, 0x95,
-	0x8f, 0x5b, 0x48, 0xe3, 0x6b, 0xe5, 0xce, 0x7c, 0xed, 0xe0, 0x70, 0x4e, 0x1a, 0x3d, 0x87, 0xa5,
-	0x4c, 0xb2, 0x88, 0xda, 0x7d, 0x63, 0xeb, 0xfe, 0xc5, 0xcc, 0x71, 0xea, 0x84, 0xc7, 0xf5, 0x14,
-	0x23, 0xc1, 0xb8, 0xc2, 0x61, 0xc9, 0x40, 0x3e, 0x74, 0xc7, 0x13, 0x11, 0x9d, 0x1c, 0x52, 0x96,
-	0xa4, 0xda, 0x5e, 0x75, 0x2d, 0xaf, 0x71, 0xe3, 0xa6, 0xea, 0x80, 0x87, 0x1f, 0xa0, 0x55, 0xbe,
-	0x05, 0xd4, 0x85, 0xf6, 0x27, 0x7e, 0xc2, 0xc5, 0x17, 0x3e, 0x58, 0x28, 0x8a, 0x7d, 0x49, 0x89,
-	0xa6, 0xf1, 0xc0, 0x42, 0x7d, 0x80, 0x77, 0xfc, 0xa3, 0x14, 0x89, 0xa4, 0x4a, 0x0d, 0x16, 0xd1,
-	0x0a, 0x74, 0xf6, 0xc5, 0x34, 0x9b, 0xd0, 0xa2, 0xdd, 0x40, 0x00, 0xad, 0xb7, 0x84, 0x4d, 0x68,
-	0x3c, 0x68, 0x8e, 0x76, 0xcf, 0x7f, 0xae, 0x2f, 0x7c, 0xfb, 0xb5, 0x6e, 0x7d, 0xfe, 0x87, 0x40,
-	0xae, 0xbe, 0x95, 0xe3, 0x96, 0xd9, 0xc0, 0x9d, 0xdf, 0x01, 0x00, 0x00, 0xff, 0xff, 0xab, 0x05,
-	0x78, 0x67, 0x3f, 0x05, 0x00, 0x00,
+	// 617 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x54, 0xdf, 0x4e, 0xd4, 0x4e,
+	0x18, 0xa5, 0xec, 0x3f, 0xf6, 0xdb, 0x65, 0xe9, 0x6f, 0x92, 0x5f, 0xd2, 0x60, 0xc2, 0x36, 0xe3,
+	0xcd, 0x2a, 0xd0, 0xca, 0x22, 0xfe, 0x21, 0x31, 0xea, 0x2a, 0x06, 0xe3, 0x0d, 0x29, 0xd1, 0x18,
+	0xef, 0x66, 0xdb, 0xa1, 0x9d, 0xb0, 0x3b, 0xd3, 0xcc, 0x4c, 0x51, 0xde, 0xc8, 0x47, 0xe1, 0x19,
+	0xbc, 0xd8, 0x44, 0x1f, 0x81, 0xf8, 0x00, 0xa6, 0x53, 0x0a, 0x5d, 0x34, 0xc6, 0x10, 0xee, 0x66,
+	0xfa, 0x9d, 0x73, 0xbe, 0x33, 0x67, 0xbe, 0x29, 0xac, 0xd0, 0x2f, 0x34, 0xcc, 0x34, 0x13, 0xdc,
+	0x4b, 0xa5, 0xd0, 0x02, 0xc1, 0x94, 0xaa, 0xd8, 0xd3, 0xa7, 0x29, 0x55, 0xab, 0x38, 0x16, 0xb1,
+	0xf0, 0xcd, 0xf7, 0x71, 0x76, 0xe4, 0xe7, 0x3b, 0xb3, 0x31, 0xab, 0x02, 0xbf, 0x7a, 0xe7, 0xb2,
+	0x6c, 0x38, 0xbe, 0xd2, 0x32, 0x0b, 0x75, 0x51, 0xc4, 0x3f, 0x97, 0xa0, 0xbd, 0x57, 0x36, 0x40,
+	0x87, 0x50, 0x4f, 0x88, 0x4a, 0x1c, 0xcb, 0xb5, 0x06, 0xdd, 0xd1, 0xf3, 0xb3, 0x59, 0x7f, 0xe1,
+	0xdb, 0xac, 0xbf, 0x1e, 0x33, 0x9d, 0x64, 0x63, 0x2f, 0x14, 0x53, 0x3f, 0xef, 0xbd, 0x79, 0x24,
+	0x32, 0x1e, 0x91, 0x9c, 0xe1, 0x53, 0x1e, 0x33, 0x4e, 0xfd, 0x9c, 0xe5, 0xed, 0x13, 0x95, 0x9c,
+	0xcf, 0xfa, 0x4b, 0xf9, 0x66, 0x17, 0x6f, 0xe2, 0xc0, 0x88, 0xa1, 0x08, 0x20, 0x25, 0x92, 0x72,
+	0x9d, 0xd7, 0x9d, 0x45, 0x23, 0xfd, 0xfa, 0x66, 0xd2, 0xcb, 0x85, 0x34, 0x27, 0x53, 0xba, 0x3b,
+	0xc4, 0x41, 0x45, 0x17, 0x8d, 0xa1, 0x4d, 0x4f, 0xca, 0x26, 0xb5, 0xdb, 0x6a, 0xb2, 0x8d, 0x83,
+	0x2b, 0x59, 0xf4, 0x04, 0x9a, 0x4a, 0x13, 0x9d, 0x29, 0xa7, 0xee, 0x5a, 0x83, 0xde, 0x10, 0x79,
+	0x57, 0x57, 0xe1, 0x1d, 0x9a, 0xca, 0xa8, 0x3b, 0x97, 0xc0, 0x05, 0x1e, 0x25, 0xd0, 0x65, 0x5c,
+	0x69, 0xc2, 0x43, 0x6a, 0x0c, 0x36, 0x6e, 0xcb, 0xe0, 0x0e, 0x0e, 0xe6, 0x94, 0xd1, 0x3a, 0xb4,
+	0x34, 0x51, 0xc7, 0xef, 0xe8, 0xa9, 0xd3, 0x74, 0xad, 0x41, 0x7b, 0xf4, 0xdf, 0x35, 0xc6, 0x23,
+	0x1c, 0x94, 0x08, 0xf4, 0x02, 0x9a, 0x8c, 0xa7, 0x99, 0x56, 0x4e, 0xcb, 0xb5, 0x06, 0x9d, 0xe1,
+	0xff, 0xc5, 0x81, 0xca, 0x81, 0xf1, 0x0e, 0xcd, 0xa8, 0xfc, 0x26, 0xf1, 0x18, 0x07, 0x17, 0x3c,
+	0xf4, 0x0c, 0x5a, 0x22, 0xd3, 0x46, 0x62, 0xe9, 0x6f, 0x12, 0xf3, 0xb1, 0x94, 0x1c, 0x84, 0xa1,
+	0x41, 0xa5, 0x14, 0xd2, 0x69, 0x1b, 0xaf, 0xf3, 0xa8, 0xa2, 0x84, 0x5e, 0x42, 0x5d, 0x93, 0x58,
+	0x39, 0xe0, 0xd6, 0x06, 0xed, 0xd1, 0xe6, 0xf9, 0xac, 0x7f, 0xaf, 0xe2, 0x65, 0xeb, 0x01, 0x76,
+	0x4f, 0xc8, 0x84, 0x45, 0x44, 0xd3, 0x5d, 0x1c, 0xb1, 0x13, 0xba, 0x91, 0x4a, 0xc6, 0x35, 0x51,
+	0x21, 0x63, 0x38, 0x30, 0x54, 0x14, 0x43, 0x27, 0x95, 0x22, 0xa4, 0x4a, 0x99, 0xf4, 0x3b, 0x26,
+	0xfd, 0xbd, 0x9b, 0xa5, 0xdf, 0xab, 0x36, 0xdf, 0xc2, 0x41, 0x55, 0x19, 0x6d, 0x40, 0x8b, 0x8b,
+	0x88, 0xe6, 0xe9, 0x77, 0xcd, 0x89, 0xd0, 0x75, 0xc6, 0x10, 0x07, 0x25, 0x04, 0x31, 0xe8, 0x16,
+	0x8f, 0x5b, 0x48, 0xe3, 0x6b, 0xf9, 0xd6, 0x7c, 0x6d, 0xe3, 0x60, 0x4e, 0x1a, 0x3d, 0x85, 0x46,
+	0x2a, 0x59, 0x48, 0x9d, 0x9e, 0xb1, 0x75, 0xf7, 0x7c, 0xd6, 0xef, 0x57, 0x09, 0x0f, 0xab, 0x29,
+	0x86, 0x82, 0x71, 0x85, 0x83, 0x82, 0x81, 0x3c, 0xe8, 0x8c, 0x27, 0x22, 0x3c, 0xde, 0xa7, 0x2c,
+	0x4e, 0xb4, 0xb3, 0xe2, 0x5a, 0x83, 0xda, 0xb5, 0x9b, 0xaa, 0x02, 0xf2, 0x3b, 0x0d, 0x05, 0x3f,
+	0x52, 0x8e, 0xfd, 0x07, 0x64, 0x51, 0xba, 0xff, 0x11, 0x9a, 0xc5, 0x7b, 0x41, 0x1d, 0x68, 0xbd,
+	0xe7, 0xc7, 0x5c, 0x7c, 0xe6, 0xf6, 0x02, 0x02, 0x68, 0x1e, 0x10, 0xa5, 0x68, 0x64, 0x5b, 0xa8,
+	0x07, 0xf0, 0x96, 0x1f, 0x48, 0x11, 0x4b, 0xaa, 0x94, 0xbd, 0x88, 0x96, 0xa1, 0xfd, 0x4a, 0x4c,
+	0xd3, 0x09, 0xd5, 0x34, 0xb2, 0x6b, 0x39, 0xf4, 0x0d, 0x61, 0x13, 0x1a, 0xd9, 0xf5, 0x7c, 0xfd,
+	0x41, 0x68, 0xc6, 0x63, 0xbb, 0x31, 0xda, 0x39, 0xfb, 0xbe, 0xb6, 0xf0, 0xf5, 0xc7, 0x9a, 0xf5,
+	0xe9, 0x1f, 0xf2, 0xbb, 0xfc, 0xb5, 0x8e, 0x9b, 0x66, 0x60, 0xb7, 0x7f, 0x05, 0x00, 0x00, 0xff,
+	0xff, 0x86, 0x9f, 0x4f, 0x3b, 0x6e, 0x05, 0x00, 0x00,
 }
 
 func (this *Execution) Equal(that interface{}) bool {
@@ -247,6 +254,9 @@ func (this *Execution) Equal(that interface{}) bool {
 	if this.BlockHeight != that1.BlockHeight {
 		return false
 	}
+	if this.Confs != that1.Confs {
+		return false
+	}
 	if !bytes.Equal(this.XXX_unrecognized, that1.XXX_unrecognized) {
 		return false
 	}
diff --git a/execution/execution_test.go b/execution/execution_test.go
index ac5f6c891..45b9ccde8 100644
--- a/execution/execution_test.go
+++ b/execution/execution_test.go
@@ -19,7 +19,7 @@ func TestNewFromService(t *testing.T) {
 		tags       = []string{"tag"}
 	)
 
-	execution := New(nil, hash, parentHash, eventHash, "", taskKey, "", nil, tags, nil)
+	execution := New(nil, hash, parentHash, eventHash, "", taskKey, "", nil, tags, nil, 0)
 	require.NotNil(t, execution)
 	require.Equal(t, hash, execution.InstanceHash)
 	require.Equal(t, parentHash, execution.ParentHash)
@@ -27,11 +27,12 @@ func TestNewFromService(t *testing.T) {
 	require.Equal(t, taskKey, execution.TaskKey)
 	require.Equal(t, (*types.Struct)(nil), execution.Inputs)
 	require.Equal(t, tags, execution.Tags)
-	require.Equal(t, Status_Created, execution.Status)
+	require.Equal(t, Status_Voting, execution.Status)
 }
 
 func TestExecute(t *testing.T) {
-	e := New(nil, nil, nil, nil, "", "", "", nil, nil, nil)
+	e := New(nil, nil, nil, nil, "", "", "", nil, nil, nil, 0)
+	e.Status = Status_Passed
 	require.NoError(t, e.Execute())
 	require.Equal(t, Status_InProgress, e.Status)
 	require.Error(t, e.Execute())
@@ -39,7 +40,8 @@ func TestExecute(t *testing.T) {
 
 func TestComplete(t *testing.T) {
 	var output types.Struct
-	e := New(nil, nil, nil, nil, "", "", "", nil, nil, nil)
+	e := New(nil, nil, nil, nil, "", "", "", nil, nil, nil, 0)
+	e.Status = Status_Passed
 	e.Execute()
 	require.NoError(t, e.Complete(&output))
 	require.Equal(t, Status_Completed, e.Status)
@@ -49,7 +51,8 @@ func TestComplete(t *testing.T) {
 
 func TestFailed(t *testing.T) {
 	err := errors.New("test")
-	e := New(nil, nil, nil, nil, "", "", "", nil, nil, nil)
+	e := New(nil, nil, nil, nil, "", "", "", nil, nil, nil, 0)
+	e.Status = Status_Passed
 	e.Execute()
 	require.NoError(t, e.Failed(err))
 	require.Equal(t, Status_Failed, e.Status)
@@ -61,7 +64,7 @@ func TestExecutionHash(t *testing.T) {
 	ids := make(map[string]bool)
 
 	f := func(instanceHash, parentHash, eventID []byte, taskKey string, tags []string) bool {
-		e := New(nil, instanceHash, parentHash, eventID, "", taskKey, "", nil, tags, nil)
+		e := New(nil, instanceHash, parentHash, eventID, "", taskKey, "", nil, tags, nil, 0)
 		if ids[string(e.Hash)] {
 			return false
 		}
diff --git a/protobuf/api/execution.pb.go b/protobuf/api/execution.pb.go
index 5c6a542c1..375be237e 100644
--- a/protobuf/api/execution.pb.go
+++ b/protobuf/api/execution.pb.go
@@ -41,7 +41,9 @@ type CreateExecutionRequest struct {
 	NodeKey      string                                      `protobuf:"bytes,8,opt,name=nodeKey,proto3" json:"nodeKey,omitempty"`
 	ExecutorHash github_com_mesg_foundation_engine_hash.Hash `protobuf:"bytes,9,opt,name=executorHash,proto3,customtype=github.com/mesg-foundation/engine/hash.Hash" json:"executorHash" validate:"omitempty,hash"`
 	// price of running the execution.
-	Price                string   `protobuf:"bytes,10,opt,name=price,proto3" json:"price,omitempty" validate:"coins"`
+	Price string `protobuf:"bytes,10,opt,name=price,proto3" json:"price,omitempty" validate:"coins"`
+	// confs is the number of conrimations the exeuction needs to have before chaingin status to passed
+	Confs                int64    `protobuf:"varint,11,opt,name=confs,proto3" json:"confs,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -106,6 +108,13 @@ func (m *CreateExecutionRequest) GetPrice() string {
 	return ""
 }
 
+func (m *CreateExecutionRequest) GetConfs() int64 {
+	if m != nil {
+		return m.Confs
+	}
+	return 0
+}
+
 // CreateExecutionResponse defines response for execution creation.
 type CreateExecutionResponse struct {
 	// Execution's hash.
@@ -473,54 +482,55 @@ func init() {
 func init() { proto.RegisterFile("protobuf/api/execution.proto", fileDescriptor_96e2c86581f82f05) }
 
 var fileDescriptor_96e2c86581f82f05 = []byte{
-	// 751 bytes of a gzipped FileDescriptorProto
+	// 765 bytes of a gzipped FileDescriptorProto
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+	0xeb, 0x56, 0xea, 0xce, 0x8d, 0xf1, 0x45, 0x25, 0x47, 0x60, 0xe9, 0xc9, 0x5f, 0x6e, 0x2d, 0xdb,
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+	0x43, 0x37, 0x3d, 0x73, 0xae, 0x5b, 0x7c, 0x6f, 0xe2, 0x88, 0xf6, 0x2c, 0x25, 0xa4, 0xc3, 0x5f,
+	0x01, 0x00, 0x00, 0xff, 0xff, 0x51, 0xbb, 0x0b, 0x9d, 0x21, 0x09, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
diff --git a/protobuf/api/execution.proto b/protobuf/api/execution.proto
index 0f7a52148..d5ba768a5 100644
--- a/protobuf/api/execution.proto
+++ b/protobuf/api/execution.proto
@@ -75,6 +75,9 @@ message CreateExecutionRequest {
   string price = 10 [
     (gogoproto.moretags) = 'validate:"coins"'
   ];
+
+    // confs is the number of conrimations the exeuction needs to have before chaingin status to passed
+  int64 confs = 11;
 }
 
 // CreateExecutionResponse defines response for execution creation.
diff --git a/protobuf/api/execution_test.go b/protobuf/api/execution_test.go
index 81af9facf..fa74215d6 100644
--- a/protobuf/api/execution_test.go
+++ b/protobuf/api/execution_test.go
@@ -45,12 +45,12 @@ func TestFilter(t *testing.T) {
 			false,
 		},
 		{
-			&StreamExecutionRequest_Filter{Statuses: []execution.Status{execution.Status_Created}},
-			&execution.Execution{Status: execution.Status_Created},
+			&StreamExecutionRequest_Filter{Statuses: []execution.Status{execution.Status_Passed}},
+			&execution.Execution{Status: execution.Status_Passed},
 			true,
 		},
 		{
-			&StreamExecutionRequest_Filter{Statuses: []execution.Status{execution.Status_Created}},
+			&StreamExecutionRequest_Filter{Statuses: []execution.Status{execution.Status_Passed}},
 			&execution.Execution{Status: execution.Status_InProgress},
 			false,
 		},
diff --git a/protobuf/types/execution.proto b/protobuf/types/execution.proto
index 71e203c25..f2eb10fcc 100644
--- a/protobuf/types/execution.proto
+++ b/protobuf/types/execution.proto
@@ -16,8 +16,8 @@ enum Status {
   // Unknown status represents any status unknown to execution.
   Unknown = 0;
 
-  // Created is an initial status after execution creation.
-  Created = 1;
+  // Passed is an status after voting phase.
+  Passed = 1;
 
   // InProgress informs that processing of execution has been started.
   InProgress = 2;
@@ -27,6 +27,9 @@ enum Status {
 
   // Failed is an error status after execution was processed.
   Failed = 4;
+
+  // Voting is an initial status after execution creation.
+  Voting = 5;
 }
 
 // Execution represents a single execution run in engine.
@@ -119,4 +122,9 @@ message Execution {
   int64 blockHeight = 15 [
     (gogoproto.moretags) = 'hash:"-"'
   ];
+
+  // confs is the number of conrimations the exeuction needs to have before chaingin status to passed
+  int64 confs = 16 [
+    (gogoproto.moretags) = 'hash:"-"'
+  ];
 }
diff --git a/x/execution/internal/keeper/keeper.go b/x/execution/internal/keeper/keeper.go
index c17453dc2..0eae8ae88 100644
--- a/x/execution/internal/keeper/keeper.go
+++ b/x/execution/internal/keeper/keeper.go
@@ -99,31 +99,53 @@ func (k *Keeper) Create(ctx sdk.Context, msg types.MsgCreateExecution) (*executi
 		msg.Request.Inputs,
 		msg.Request.Tags,
 		msg.Request.ExecutorHash,
+		msg.Request.Confs,
 	)
 	exec.BlockHeight = ctx.BlockHeight()
 
 	store := ctx.KVStore(k.storeKey)
-	if store.Has(exec.Hash) {
-		return nil, fmt.Errorf("execution %q already exists", exec.Hash)
-	}
-	if err := exec.Execute(); err != nil {
-		return nil, err
-	}
-	value, err := k.cdc.MarshalBinaryLengthPrefixed(exec)
-	if err != nil {
-		return nil, err
+	execExist := store.Has(exec.Hash)
+
+	if execExist {
+		if err := k.cdc.UnmarshalBinaryLengthPrefixed(store.Get(exec.Hash), &exec); err != nil {
+			return nil, err
+		}
+
+		if exec.Status != executionpb.Status_Voting {
+			return nil, fmt.Errorf("execution %q already exists", exec.Hash)
+		}
+	} else {
+		value, err := k.cdc.MarshalBinaryLengthPrefixed(exec)
+		if err != nil {
+			return nil, err
+		}
+		store.Set(exec.Hash, value)
+
+		execAddress := sdk.AccAddress(crypto.AddressHash(exec.Hash))
+		if err := k.bankKeeper.SendCoins(ctx, msg.Signer, execAddress, price); err != nil {
+			return nil, err
+		}
 	}
 
-	if !ctx.IsCheckTx() {
-		M.InProgress.Add(1)
+	var count int64
+	if exec.Confs > 0 && execExist {
+		// do not add exec creater to voter list.
+		count, err = k.addVoter(ctx, exec.Hash, msg.Signer)
+		if err != nil {
+			return nil, err
+		}
 	}
 
-	execAddress := sdk.AccAddress(crypto.AddressHash(exec.Hash))
-	if err := k.bankKeeper.SendCoins(ctx, msg.Signer, execAddress, price); err != nil {
-		return nil, err
+	// reached consensus
+	if count >= exec.Confs {
+		exec.Status = executionpb.Status_InProgress
+		store.Set(exec.Hash, k.cdc.MustMarshalBinaryLengthPrefixed(exec))
+
+		if !ctx.IsCheckTx() {
+			M.InProgress.Add(1)
+		}
 	}
 
-	store.Set(exec.Hash, value)
 	return exec, nil
 }
 
@@ -182,6 +204,9 @@ func (k *Keeper) Update(ctx sdk.Context, msg types.MsgUpdateExecution) (*executi
 		return nil, err
 	}
 
+	// after coins distribution the list of voters is not needed anymore
+	store.Delete(voteKey(exec.Hash))
+
 	store.Set(exec.Hash, value)
 	return exec, nil
 }
@@ -197,6 +222,7 @@ func (k *Keeper) distributePriceShares(ctx sdk.Context, execAddress, runnerAddre
 
 	runnerCoins, _ := sdk.NewDecCoinsFromCoins(coins...).MulDecTruncate(runnerShare).TruncateDecimal()
 	serviceCoins := coins.Sub(runnerCoins)
+	// TODO: add emitters share
 
 	inputs := []bank.Input{bank.NewInput(execAddress, coins)}
 	outputs := []bank.Output{
@@ -250,3 +276,26 @@ func (k *Keeper) List(ctx sdk.Context) ([]*executionpb.Execution, error) {
 	iter.Close()
 	return execs, nil
 }
+
+var voteKeyPrefix = []byte{0x01}
+
+func voteKey(hash hash.Hash) []byte {
+	return append(voteKeyPrefix, []byte(hash)...)
+}
+
+// addVoter adds an emitter address to list of voters and returns updated voters count.
+func (k *Keeper) addVoter(ctx sdk.Context, execHash hash.Hash, emitter sdk.AccAddress) (int64, error) {
+	store := ctx.KVStore(k.storeKey)
+	var voters []sdk.AccAddress
+	key := voteKey(execHash)
+	if err := k.cdc.UnmarshalBinaryLengthPrefixed(store.Get(key), &voters); err != nil {
+		return 0, sdkerrors.Wrapf(sdkerrors.ErrJSONUnmarshal, "can't unmarshal voters")
+	}
+	voters = append(voters, emitter)
+	bz, err := k.cdc.MarshalBinaryLengthPrefixed(voters)
+	if err != nil {
+		return 0, sdkerrors.Wrapf(sdkerrors.ErrJSONMarshal, "can't marshal voters")
+	}
+	store.Set(key, bz)
+	return int64(len(voters)), nil
+}