diff --git a/iguana/dpow/dpow_fsm.c b/iguana/dpow/dpow_fsm.c
index c6ce582e8..d43f0cd75 100755
--- a/iguana/dpow/dpow_fsm.c
+++ b/iguana/dpow/dpow_fsm.c
@@ -230,7 +230,7 @@ uint32_t dpow_statemachineiterate(struct supernet_info *myinfo,struct dpow_info
         }
     }
     if ( (rand() % 10) == 0 )
-        printf("%s ht.%d FSM.%d %s BTC.%d masks.%llx best.(%d %llx) match.(%d sigs.%d) sigsmask.%llx\n",coin->symbol,bp->height,bp->state,coinaddr,bits256_nonz(bp->btctxid)==0,(long long)bp->recvmask,bp->bestk,(long long)bp->bestmask,match,sigmatch,(long long)sigsmask);
+        printf("[%d] %s ht.%d FSM.%d %s BTC.%d masks.%llx best.(%d %llx) match.(%d sigs.%d) sigsmask.%llx\n",myind,coin->symbol,bp->height,bp->state,coinaddr,bits256_nonz(bp->btctxid)==0,(long long)bp->recvmask,bp->bestk,(long long)bp->bestmask,match,sigmatch,(long long)sigsmask);
     if ( sigmatch == DPOW_M(bp) )
     {
         printf("sigmatch.%d\n",sigmatch);
@@ -243,6 +243,7 @@ uint32_t dpow_statemachineiterate(struct supernet_info *myinfo,struct dpow_info
             {
                 bp->notaries[myind].prev_hash = txid;
                 bp->notaries[myind].prev_vout = vout;
+                bp->recvmask |= (1LL << myind);
                 bp->state = 1;
             }
             if ( haveutxo < 10 && time(NULL) > dp->lastsplit+600 )
diff --git a/iguana/dpow/dpow_network.c b/iguana/dpow/dpow_network.c
index 5548f9c42..a3201402c 100755
--- a/iguana/dpow/dpow_network.c
+++ b/iguana/dpow/dpow_network.c
@@ -55,18 +55,21 @@ void dpow_nanomsginit(struct supernet_info *myinfo,char *ipaddr)
     }
 }
 
-int32_t dpow_crc32find(struct supernet_info *myinfo,uint32_t crc32)
+int32_t dpow_crc32find(struct supernet_info *myinfo,uint32_t crc32,uint32_t channel)
 {
     int32_t i,firstz = -1;
-    for (i=0; i<sizeof(myinfo->DPOW.crcs)/sizeof(*myinfo->DPOW.crcs); i++)
+    //if ( channel != DPOW_UTXOBTCCHANNEL && channel != DPOW_UTXOCHANNEL )
     {
-        if ( myinfo->DPOW.crcs[i] == crc32 )
+        for (i=0; i<sizeof(myinfo->DPOW.crcs)/sizeof(*myinfo->DPOW.crcs); i++)
         {
-            //printf("NANODUPLICATE.%08x\n",crc32);
-            return(-1);
+            if ( myinfo->DPOW.crcs[i] == crc32 )
+            {
+                //printf("NANODUPLICATE.%08x\n",crc32);
+                return(-1);
+            }
+            else if ( myinfo->DPOW.crcs[i] == 0 )
+                firstz = i;
         }
-        else if ( myinfo->DPOW.crcs[i] == 0 )
-            firstz = i;
     }
     if ( firstz < 0 )
         firstz = (rand() % (sizeof(myinfo->DPOW.crcs)/sizeof(*myinfo->DPOW.crcs)));
@@ -77,7 +80,7 @@ void dpow_send(struct supernet_info *myinfo,struct dpow_block *bp,bits256 srchas
 {
     struct dpow_nanomsghdr *np; int32_t size,firstz,sentbytes = 0; uint32_t crc32;
     crc32 = calc_crc32(0,data,datalen);
-    if ( (firstz= dpow_crc32find(myinfo,crc32)) >= 0 )
+    if ( (firstz= dpow_crc32find(myinfo,crc32,channel)) >= 0 )
     {
         myinfo->DPOW.crcs[firstz] = crc32;
         size = (int32_t)(sizeof(*np) + datalen);
@@ -107,7 +110,7 @@ void dpow_nanomsg_update(struct supernet_info *myinfo)
             if ( np->datalen == (size - sizeof(*np)) )
             {
                 crc32 = calc_crc32(0,np->packet,np->datalen);
-                if ( crc32 == np->crc32 && (firstz= dpow_crc32find(myinfo,crc32)) >= 0 )
+                if ( crc32 == np->crc32 && (firstz= dpow_crc32find(myinfo,crc32,np->channel)) >= 0 )
                 {
                     myinfo->DPOW.crcs[firstz] = crc32;
                     printf("NANORECV ht.%d channel.%08x (%d) crc32.%08x:%08x datalen.%d:%d\n",np->height,np->channel,size,np->crc32,crc32,np->datalen,(int32_t)(size - sizeof(*np)));