diff --git a/basilisk/basilisk.c b/basilisk/basilisk.c
index b514cbe19..9c56e49f4 100755
--- a/basilisk/basilisk.c
+++ b/basilisk/basilisk.c
@@ -1395,6 +1395,18 @@ STRING_ARG(jumblr,setpassphrase,passphrase)
     }
 }
 
+ZERO_ARGS(jumblr,runsilent)
+{
+    myinfo->runsilent = 1;
+    return(clonestr("{\"result\":\"success\",\"mode\":\"runsilent\"}"));
+}
+
+ZERO_ARGS(jumblr,totransparent)
+{
+    myinfo->runsilent = 0;
+    return(clonestr("{\"result\":\"success\",\"mode\":\"totransparent\"}"));
+}
+
 ZERO_ARGS(jumblr,status)
 {
     cJSON *retjson; char KMDaddr[64],BTCaddr[64]; struct jumblr_item *ptr,*tmp; struct iguana_info *coinbtc; int64_t received,deposited,jumblred,step_t2z,step_z2z,step_z2t,finished,pending,maxval,minval;
@@ -1404,6 +1416,7 @@ ZERO_ARGS(jumblr,status)
         retjson = cJSON_CreateObject();
         step_t2z = step_z2z = step_z2t = deposited = finished = pending = 0;
         jumblr_privkey(myinfo,BTCaddr,0,KMDaddr,JUMBLR_DEPOSITPREFIX);
+        jaddstr(retjson,"mode",myinfo->runsilent == 0 ? "totransparent" : "runsilent");
         jaddstr(retjson,"KMDdeposit",KMDaddr);
         jaddstr(retjson,"BTCdeposit",BTCaddr);
         if ( (coinbtc= iguana_coinfind("BTC")) != 0 )
diff --git a/basilisk/jumblr.c b/basilisk/jumblr.c
index 305854030..05857fa8f 100755
--- a/basilisk/jumblr.c
+++ b/basilisk/jumblr.c
@@ -697,11 +697,11 @@ void jumblr_CMCname(char *CMCname,char *symbol)
 void jumblr_DEXcheck(struct supernet_info *myinfo,struct iguana_info *coin,int32_t toKMD)
 {
     double vol,avail; int32_t enabled = 0; struct iguana_info *kmdcoin,*coinbtc = 0;
-    kmdcoin = iguana_coinfind("KMD");
-    coinbtc = iguana_coinfind("BTC");
     //printf("jumblr_DEXcheck numswaps.%d notary.%d IAMLP.%d %p %p %f\n",myinfo->numswaps,myinfo->IAMNOTARY,myinfo->IAMLP,kmdcoin,coinbtc,kmdcoin->DEXinfo.btcprice);
     if ( myinfo->IAMNOTARY != 0 || myinfo->IAMLP != 0 || myinfo->secret[0] == 0 )
         return;
+    kmdcoin = iguana_coinfind("KMD");
+    coinbtc = iguana_coinfind("BTC");
     if ( kmdcoin == 0 || coinbtc == 0 )
         return;
     jumblr_DEXupdate(myinfo,kmdcoin,"KMD","komodo",0.,0.);
@@ -847,21 +847,24 @@ void jumblr_iteration(struct supernet_info *myinfo,struct iguana_info *coin,int3
                 }
                 break;
             case 2: // z -> public
-                jumblr_opidsupdate(myinfo,coin);
-                HASH_ITER(hh,myinfo->jumblrs,ptr,tmp)
+                if ( myinfo->runsilent == 0 )
                 {
-                    if ( jumblr_addresstype(myinfo,coin,ptr->src) == 'z' && jumblr_addresstype(myinfo,coin,ptr->dest) == 'z' )
+                    jumblr_opidsupdate(myinfo,coin);
+                    HASH_ITER(hh,myinfo->jumblrs,ptr,tmp)
                     {
-                        if ( (r & 1) == 0 && ptr->spent == 0 && (total= jumblr_balance(myinfo,coin,ptr->dest)) >= (fee + JUMBLR_FEE)*SATOSHIDEN )
+                        if ( jumblr_addresstype(myinfo,coin,ptr->src) == 'z' && jumblr_addresstype(myinfo,coin,ptr->dest) == 'z' )
                         {
-                            privkey = jumblr_privkey(myinfo,BTCaddr,0,KMDaddr,"");
-                            if ( (retstr= jumblr_sendz_to_t(myinfo,coin,ptr->dest,KMDaddr,dstr(total))) != 0 )
+                            if ( (r & 1) == 0 && ptr->spent == 0 && (total= jumblr_balance(myinfo,coin,ptr->dest)) >= (fee + JUMBLR_FEE)*SATOSHIDEN )
                             {
-                                printf("sendz_to_t.(%s)\n",retstr);
-                                free(retstr);
+                                privkey = jumblr_privkey(myinfo,BTCaddr,0,KMDaddr,"");
+                                if ( (retstr= jumblr_sendz_to_t(myinfo,coin,ptr->dest,KMDaddr,dstr(total))) != 0 )
+                                {
+                                    printf("sendz_to_t.(%s)\n",retstr);
+                                    free(retstr);
+                                }
+                                ptr->spent = (uint32_t)time(NULL);
+                                break;
                             }
-                            ptr->spent = (uint32_t)time(NULL);
-                            break;
                         }
                     }
                 }
diff --git a/iguana/dpow/dpow_rpc.c b/iguana/dpow/dpow_rpc.c
index 9268e6df7..0185a2f77 100755
--- a/iguana/dpow/dpow_rpc.c
+++ b/iguana/dpow/dpow_rpc.c
@@ -772,7 +772,7 @@ int32_t dpow_vini_ismine(struct supernet_info *myinfo,struct dpow_info *dp,cJSON
 
 int32_t dpow_haveutxo(struct supernet_info *myinfo,struct iguana_info *coin,bits256 *txidp,int32_t *voutp,char *coinaddr)
 {
-    int32_t i,j,n,vout,haveutxo = 0; uint32_t r; bits256 txid; cJSON *unspents,*item; uint64_t satoshis; char *str,*address; uint8_t script[35];
+    int32_t vout,haveutxo = 0; uint32_t i,j,n,r; bits256 txid; cJSON *unspents,*item; uint64_t satoshis; char *str,*address; uint8_t script[35];
     memset(txidp,0,sizeof(*txidp));
     *voutp = -1;
     if ( (unspents= dpow_listunspent(myinfo,coin,coinaddr)) != 0 )
@@ -788,9 +788,10 @@ int32_t dpow_haveutxo(struct supernet_info *myinfo,struct iguana_info *coin,bits
              "confirmations" : 4282,
              "spendable" : true
              },*/
-            r = 0;
-            memcpy(&r,coin->symbol,3);
-            r = calc_crc32(0,(void *)&r,sizeof(r));
+            //r = 0;
+            //memcpy(&r,coin->symbol,3);
+            //r = calc_crc32(0,(void *)&r,sizeof(r));
+            OS_randombytes((uint8_t *)&r,sizeof(r));
             for (j=0; j<n; j++)
             {
                 i = (r + j) % n;
diff --git a/iguana/iguana777.h b/iguana/iguana777.h
index b7e0996b1..7ef130d08 100755
--- a/iguana/iguana777.h
+++ b/iguana/iguana777.h
@@ -173,7 +173,7 @@ struct supernet_info
     uint16_t psockport,numpsocks; struct psock *PSOCKS; portable_mutex_t psockmutex;
     uint8_t notaries[64][33]; int32_t numnotaries,DEXEXPLORER;
     FILE *swapsfp;
-    struct smartaddress smartaddrs[64]; int32_t numsmartaddrs,cancelrefresh;
+    struct smartaddress smartaddrs[64]; int32_t numsmartaddrs,cancelrefresh,runsilent;
 };
 
 struct basilisk_swapmessage
diff --git a/includes/iguana_apideclares.h b/includes/iguana_apideclares.h
index 161173081..81785bb26 100755
--- a/includes/iguana_apideclares.h
+++ b/includes/iguana_apideclares.h
@@ -198,6 +198,8 @@ STRING_ARG(iguana,stakers,activecoin);
 
 STRING_ARG(jumblr,setpassphrase,passphrase);
 ZERO_ARGS(jumblr,status);
+ZERO_ARGS(jumblr,runsilent);
+ZERO_ARGS(jumblr,totransparent);
 
 ZERO_ARGS(InstantDEX,allcoins);
 STRING_ARG(InstantDEX,available,source);