diff --git a/iguana/dpow/dpow_network.c b/iguana/dpow/dpow_network.c
index a6a05985d..dcab031cc 100755
--- a/iguana/dpow/dpow_network.c
+++ b/iguana/dpow/dpow_network.c
@@ -319,6 +319,7 @@ void dpow_nanomsginit(struct supernet_info *myinfo,char *ipaddr)
                                     nn_setsockopt(myinfo->dexsock,NN_SOL_SOCKET,NN_RCVTIMEO,&timeout,sizeof(timeout));
                                     nn_setsockopt(myinfo->repsock,NN_SOL_SOCKET,NN_RCVTIMEO,&timeout,sizeof(timeout));
                                     printf("DEXINIT dex.%d rep.%d\n",myinfo->dexsock,myinfo->repsock);
+                                    myinfo->nanoinit = (uint32_t)time(NULL);
                                 }
                             }
                         }
@@ -640,6 +641,8 @@ void dpow_send(struct supernet_info *myinfo,struct dpow_info *dp,struct dpow_blo
     struct dpow_nanomsghdr *np; int32_t i,size,extralen=0,sentbytes = 0; uint32_t crc32; uint8_t extras[10000];
     if ( bp->myind < 0 )
         return;
+    if ( time(NULL) < myinfo->nanoinit+5 )
+        return;
     crc32 = calc_crc32(0,data,datalen);
      //dp->crcs[firstz] = crc32;
     size = (int32_t)(sizeof(*np) + datalen);
@@ -729,6 +732,8 @@ void dpow_ipbitsadd(struct supernet_info *myinfo,struct dpow_info *dp,uint32_t *
 void dpow_nanomsg_update(struct supernet_info *myinfo)
 {
     int32_t i,n=0,num=0,size,firstz = -1; uint32_t crc32,r,m; struct dpow_nanomsghdr *np=0; struct dpow_info *dp; struct dpow_block *bp; struct dex_nanomsghdr *dexp = 0;
+    if ( time(NULL) < myinfo->nanoinit+5 )
+        return;
     while ( (size= nn_recv(myinfo->dpowsock,&np,NN_MSG,0)) >= 0 )
     {
         num++;
diff --git a/iguana/iguana777.h b/iguana/iguana777.h
index fcefb7fb2..6c2640990 100755
--- a/iguana/iguana777.h
+++ b/iguana/iguana777.h
@@ -89,7 +89,7 @@ struct supernet_info
     char ipaddr[64],NXTAPIURL[512],secret[4096],password[4096],rpcsymbol[64],handle[1024],permanentfile[1024];
     char *decryptstr;
     int32_t maxdelay,IAMRELAY,IAMNOTARY,IAMLP,publicRPC,basilisk_busy,genesisresults,remoteorigin;
-    uint32_t expiration,dirty,DEXactive,DEXpoll,totalcoins,dexcrcs[1024];
+    uint32_t expiration,dirty,DEXactive,DEXpoll,totalcoins,nanoinit,dexcrcs[1024];
     uint16_t argport,rpcport;
     struct basilisk_info basilisks;
     struct exchange_info *tradingexchanges[SUPERNET_MAXEXCHANGES]; int32_t numexchanges;