diff --git a/iguana/iguana_notary.c b/iguana/iguana_notary.c
index 62270a974..a9d2987c4 100755
--- a/iguana/iguana_notary.c
+++ b/iguana/iguana_notary.c
@@ -90,15 +90,24 @@ int32_t dpow_rwopret(int32_t rwflag,uint8_t *opret,bits256 *hashmsg,int32_t *hei
     return(opretlen);
 }
 
-int32_t dpow_rwutxobuf(int32_t rwflag,uint8_t *data,bits256 *hashmsg,bits256 *txid,int32_t *voutp,bits256 *commit)
+int32_t dpow_rwutxobuf(int32_t rwflag,uint8_t *data,bits256 *hashmsg,bits256 *txid,int32_t *voutp,bits256 *commit,uint8_t *senderpub)
 {
-    int32_t len = 0;
+    int32_t i,len = 0;
     len += iguana_rwbignum(rwflag,&data[len],sizeof(*hashmsg),hashmsg->bytes);
     len += iguana_rwbignum(rwflag,&data[len],sizeof(*txid),txid->bytes);
     len += iguana_rwbignum(rwflag,&data[len],sizeof(*commit),commit->bytes);
     if ( rwflag != 0 )
+    {
         data[len++] = *voutp;
-    else *voutp = data[len++];
+        for (i=0; i<33; i++)
+            data[len++] = senderpub[i];
+    }
+    else
+    {
+        *voutp = data[len++];
+        for (i=0; i<33; i++)
+            senderpub[i] = data[len++];
+    }
     return(len);
 }
 
@@ -503,7 +512,7 @@ int32_t dpow_haveutxo(struct supernet_info *myinfo,struct iguana_info *coin,bits
     return(haveutxo);
 }
 
-int32_t dpow_message_utxo(bits256 *hashmsgp,bits256 *txidp,int32_t *voutp,bits256 *commitp,cJSON *json)
+int32_t dpow_message_utxo(uint8_t *senderpub,bits256 *hashmsgp,bits256 *txidp,int32_t *voutp,bits256 *commitp,cJSON *json)
 {
     cJSON *msgobj,*item; uint8_t key[BASILISK_KEYSIZE],data[512]; char *keystr,*hexstr,str[65],str2[65]; int32_t i,n,datalen,retval = -1;
     *voutp = -1;
@@ -519,7 +528,7 @@ int32_t dpow_message_utxo(bits256 *hashmsgp,bits256 *txidp,int32_t *voutp,bits25
                 decode_hex(key,BASILISK_KEYSIZE,keystr);
                 datalen >>= 1;
                 decode_hex(data,datalen,hexstr);
-                retval = dpow_rwutxobuf(0,data,hashmsgp,txidp,voutp,commitp);
+                retval = dpow_rwutxobuf(0,data,hashmsgp,txidp,voutp,commitp,senderpub);
                 printf("notary.%d hashmsg.(%s) txid.(%s) v%d\n",i,bits256_str(str,*hashmsgp),bits256_str(str2,*txidp),*voutp);
             }
         }
@@ -774,42 +783,44 @@ int32_t dpow_mostsignedtx(struct supernet_info *myinfo,struct dpow_info *dp,stru
 
 void dpow_txidupdate(struct supernet_info *myinfo,struct dpow_info *dp,struct iguana_info *coin,uint64_t *recvmaskp,uint32_t channel,int32_t height,struct dpow_entry notaries[DPOW_MAXRELAYS],int32_t numnotaries,int32_t myind,bits256 hashmsg)
 {
-    int32_t i,j,k,m,vout; cJSON *item,*retarray; bits256 desthash,commit,srchash,checkmsg,txid;
+    int32_t j,k,m,vout,flag; cJSON *item,*retarray; uint8_t senderpub[33]; bits256 desthash,commit,srchash,checkmsg,txid;
     for (j=0; j<sizeof(srchash); j++)
-        srchash.bytes[j] = myinfo->DPOW.minerkey33[j+1];
-    for (i=0; i<numnotaries; i++)
+        desthash.bytes[j] = myinfo->DPOW.minerkey33[j+1];
+    if ( (retarray= basilisk_channelget(myinfo,srchash,desthash,channel,height,0)) != 0 )
     {
-        //if ( (*recvmaskp & (1LL << i)) != 0 )
-        //    continue;
-        for (j=0; j<sizeof(desthash); j++)
-            desthash.bytes[j] = notaries[i].pubkey[j+1];
-        if ( (retarray= basilisk_channelget(myinfo,srchash,desthash,channel,height,0)) != 0 )
+        //printf("TXIDUPDATE.(%s)\n",jprint(retarray,0));
+        if ( (m= cJSON_GetArraySize(retarray)) != 0 )
         {
-            //printf("TXIDUPDATE.(%s)\n",jprint(retarray,0));
-            if ( (m= cJSON_GetArraySize(retarray)) != 0 )
+            for (k=flag=0; k<m; k++)
             {
-                for (k=0; k<m; k++)
+                item = jitem(retarray,k);
+                if ( dpow_message_utxo(senderpub,&checkmsg,&txid,&vout,&commit,item) > 0 )
                 {
-                    item = jitem(retarray,k);
-                    if ( dpow_message_utxo(&checkmsg,&txid,&vout,&commit,item) > 0 )
+                    if ( bits256_cmp(checkmsg,hashmsg) == 0 )
                     {
-                        if ( bits256_cmp(checkmsg,hashmsg) == 0 )
+                        for (j=0; j<numnotaries; j++)
                         {
-                            if ( bits256_nonz(txid) != 0 )
+                            if ( memcmp(notaries[j].pubkey,senderpub,33) == 0 )
                             {
-                                notaries[i].prev_hash = txid;
-                                notaries[i].prev_vout = vout;
-                                notaries[i].commit = commit;
+                                if ( bits256_nonz(txid) != 0 )
+                                {
+                                    notaries[j].prev_hash = txid;
+                                    notaries[j].prev_vout = vout;
+                                    notaries[j].commit = commit;
+                                }
+                                notaries[j].height = height;
+                                *recvmaskp |= (1LL << j);
+                                flag++;
+                                break;
                             }
-                            notaries[i].height = height;
-                            *recvmaskp |= (1LL << i);
-                            break;
                         }
+                        if ( flag != 0 )
+                            break;
                     }
                 }
             }
-            free_json(retarray);
         }
+        free_json(retarray);
     }
 }
 
@@ -855,7 +866,7 @@ uint32_t dpow_statemachineiterate(struct supernet_info *myinfo,struct dpow_info
         case 1: // wait for utxo, send utxo to all other nodes
             if ( (haveutxo= dpow_haveutxo(myinfo,coin,&txid,&vout,coinaddr)) != 0 && vout >= 0 && vout < 0x100 )
             {
-                len = dpow_rwutxobuf(1,data,&hashmsg,&txid,&vout,&commit);
+                len = dpow_rwutxobuf(1,data,&hashmsg,&txid,&vout,&commit,myinfo->DPOW.minerkey33);
                 for (i=0; i<numnotaries; i++)
                 {
                     //if ( i == myind )