diff --git a/iguana/dpow/dpow_network.c b/iguana/dpow/dpow_network.c
index ed5aed90b..b359b31fa 100755
--- a/iguana/dpow/dpow_network.c
+++ b/iguana/dpow/dpow_network.c
@@ -598,14 +598,14 @@ void dpow_bestconsensus(struct dpow_block *bp)
     }
     if ( besti >= 0 && bestks[besti] >= 0 && masks[besti] != 0 && (bp->recvmask & masks[besti]) == masks[besti] )
         bp->bestmask = masks[besti], bp->bestk = bestks[besti];
-    if ( bp->bestmask == 0 || (time(NULL) / 100) != bp->lastepoch )
+    if ( bp->bestmask == 0 || (time(NULL) / 180) != bp->lastepoch )
     {
         bp->bestmask = dpow_notarybestk(bp->recvmask,bp,&bp->bestk);
-        if ( (time(NULL) / 60) != bp->lastepoch )
+        if ( (time(NULL) / 180) != bp->lastepoch )
         {
-            bp->lastepoch = (uint32_t)(time(NULL) / 60);
+            bp->lastepoch = (uint32_t)(time(NULL) / 180);
             printf("epoch %u\n",bp->lastepoch % bp->numnotaries);
-            sleep(2 + (rand() % 7));
+            sleep(1 + (rand() % 3));
         }
     }
 }
diff --git a/iguana/dpow/dpow_tx.c b/iguana/dpow/dpow_tx.c
index 7d28e0b29..8d555acc5 100755
--- a/iguana/dpow/dpow_tx.c
+++ b/iguana/dpow/dpow_tx.c
@@ -106,7 +106,7 @@ uint64_t dpow_notarybestk(uint64_t refmask,struct dpow_block *bp,int8_t *lastkp)
     *lastkp = -1;
     for (m=j=0; j<bp->numnotaries; j++)
     {
-        k = (j + ((uint32_t)time(NULL) / 60)) % bp->numnotaries;
+        k = (j + ((uint32_t)time(NULL) / 180)) % bp->numnotaries;
         if ( bp->require0 != 0 && k == 0 )
             continue;
         if ( bits256_nonz(bp->notaries[k].src.prev_hash) != 0 && bits256_nonz(bp->notaries[k].dest.prev_hash) != 0 )