diff --git a/iguana/dpow/dpow_fsm.c b/iguana/dpow/dpow_fsm.c
index 09e8db9af..063981779 100755
--- a/iguana/dpow/dpow_fsm.c
+++ b/iguana/dpow/dpow_fsm.c
@@ -360,7 +360,7 @@ void dpow_statemachinestart(void *ptr)
     //printf("done utxosync start.%u %u\n",starttime,(uint32_t)time(NULL));
     while ( time(NULL) < starttime+bp->duration && src != 0 && dest != 0 && bp->state != 0xffffffff )
     {
-        sleep(1);
+        sleep(30);
         if ( dp->checkpoint.blockhash.height > checkpoint.blockhash.height )
         {
             if ( bp->isratify == 0 )
diff --git a/iguana/dpow/dpow_network.c b/iguana/dpow/dpow_network.c
index e2bb456b9..dad311c62 100755
--- a/iguana/dpow/dpow_network.c
+++ b/iguana/dpow/dpow_network.c
@@ -154,11 +154,13 @@ void dpow_nanoutxoset(struct dpow_nanoutxo *np,struct dpow_block *bp,int32_t isr
         np->destvout = bp->notaries[bp->myind].ratifydestvout;
         np->bestmask = bp->ratifybestmask;
         np->recvmask = bp->ratifyrecvmask;
-        np->bestk = bp->ratifybestk;
-        for (i=0; i<2; i++)
+        if ( (np->bestk= bp->ratifybestk) >= 0 )
         {
-            if ( (np->siglens[i]= bp->ratifysiglens[i]) > 0 )
-                memcpy(np->sigs[i],bp->ratifysigs[i],np->siglens[i]);
+            for (i=0; i<2; i++)
+            {
+                if ( (np->siglens[i]= bp->ratifysiglens[i]) > 0 )
+                    memcpy(np->sigs[i],bp->ratifysigs[i],np->siglens[i]);
+            }
         }
     }
     else
@@ -206,7 +208,7 @@ void dpow_ratify_update(struct supernet_info *myinfo,struct dpow_info *dp,struct
             }
         }
         bp->ratifyrecvmask |= (1LL << senderind) | (1LL << bp->myind);
-        bp->ratifybestmask = dpow_maskmin(bp->ratifyrecvmask,bp,&bp->ratifybestk);
+        bp->ratifybestmask = dpow_ratifybest(bp->ratifyrecvmask,bp,&bp->ratifybestk);
         bp->notaries[bp->myind].ratifybestk = bp->ratifybestk;
         bp->notaries[bp->myind].ratifybestmask = bp->ratifybestmask;
         bp->notaries[bp->myind].ratifyrecvmask = bp->ratifyrecvmask;
diff --git a/iguana/dpow/dpow_tx.c b/iguana/dpow/dpow_tx.c
index 60a51fef9..73488fbee 100755
--- a/iguana/dpow/dpow_tx.c
+++ b/iguana/dpow/dpow_tx.c
@@ -77,24 +77,24 @@ int32_t dpow_bestk(struct dpow_block *bp,uint64_t *maskp)
 
 uint64_t dpow_ratifybest(uint64_t refmask,struct dpow_block *bp,int8_t *lastkp)
 {
-    int32_t j,m,k; uint64_t bestmask,mask = bp->require0;
+    int32_t m,k; uint64_t bestmask,mask = bp->require0;
     bestmask = 0;
     *lastkp = -1;
-    m = bp->require0;
-    for (j=0; j<bp->numnotaries; j++)
+    if ( (m= bp->require0) != 0 )
+        mask = 1;
+    for (k=m; k<bp->numnotaries; k++)
     {
-        k = DPOW_MODIND(bp,j);
-        if ( (bp->require0 != 0 && k == 0) || (bits256_nonz(bp->notaries[k].ratifysrcutxo) != 0 && bits256_nonz(bp->notaries[k].ratifydestutxo) != 0) )
+        //k = DPOW_MODIND(bp,j);
+        if ( bits256_nonz(bp->notaries[k].ratifysrcutxo) != 0 && bits256_nonz(bp->notaries[k].ratifydestutxo) != 0 )
         {
             mask |= (1LL << k);
-            if ( ++m == DPOW_M(bp) )
+            if ( ++m == bp->minsigs )
             {
                 *lastkp = k;
                 bestmask = mask;
             }
         }
     }
-    printf("req.%d m.%d %d best.(%d %llx) ",bp->require0,m,DPOW_MODIND(bp,0),*lastkp,(long long)bestmask);
     return(bestmask);
 }
 
@@ -112,7 +112,7 @@ uint64_t dpow_maskmin(uint64_t refmask,struct dpow_block *bp,int8_t *lastkp)
         if ( bits256_nonz(bp->notaries[k].src.prev_hash) != 0 && bits256_nonz(bp->notaries[k].dest.prev_hash) != 0 )
         {
             mask |= (1LL << k);
-            if ( ++m == DPOW_M(bp) )
+            if ( ++m == bp->minsigs )
             {
                 *lastkp = k;
                 bestmask = mask;