diff --git a/iguana/dpow/dpow_fsm.c b/iguana/dpow/dpow_fsm.c
index 57c981e0c..b6c4f3102 100755
--- a/iguana/dpow/dpow_fsm.c
+++ b/iguana/dpow/dpow_fsm.c
@@ -243,7 +243,7 @@ int32_t dpow_hasnotarization(int32_t *nothtp,struct supernet_info *myinfo,struct
 
 bits256 dpow_calcMoM(uint32_t *MoMdepthp,struct supernet_info *myinfo,struct iguana_info *coin,int32_t height)
 {
-    bits256 MoM,blockhash,merkle,*merkles; cJSON *blockjson; int32_t breakht=0,notht=0,ht,maxdepth = 65536,MoMdepth = 0;
+    bits256 MoM,blockhash,merkle,*merkles; cJSON *blockjson; int32_t breakht=0,notht=0,ht,maxdepth = 20000,MoMdepth = 0;
     memset(MoM.bytes,0,sizeof(MoM));
     blockhash = dpow_getblockhash(myinfo,coin,height);
     printf("start MoM calc %s height.%d\n",coin->symbol,height);
@@ -258,7 +258,7 @@ bits256 dpow_calcMoM(uint32_t *MoMdepthp,struct supernet_info *myinfo,struct igu
             ht = height - MoMdepth;
             while ( MoMdepth < maxdepth && ht >= breakht && ht > 0 )
             {
-                fprintf(stderr,"%s.%d ",coin->symbol,ht);
+                //fprintf(stderr,"%s.%d ",coin->symbol,ht);
                 blockhash = dpow_getblockhash(myinfo,coin,ht);
                 if ( (blockjson= dpow_getblock(myinfo,coin,blockhash)) != 0 )
                 {
@@ -337,7 +337,9 @@ void dpow_statemachinestart(void *ptr)
     else if ( strcmp(dest->symbol,"KMD") == 0 )
     {
         kmdheight = dest->longestchain;
+        portable_mutex_lock(&myinfo->MoM_mutex);
         MoM = dpow_calcMoM(&MoMdepth,myinfo,src,checkpoint.blockhash.height);
+        portable_mutex_unlock(&myinfo->MoM_mutex);
     }
     if ( (bp= dp->blocks[checkpoint.blockhash.height]) == 0 )
     {
diff --git a/iguana/dpow/dpow_rpc.c b/iguana/dpow/dpow_rpc.c
index 7ed3d7710..a39721b14 100755
--- a/iguana/dpow/dpow_rpc.c
+++ b/iguana/dpow/dpow_rpc.c
@@ -43,7 +43,7 @@ cJSON *dpow_getinfo(struct supernet_info *myinfo,struct iguana_info *coin)
     {
         buf[0] = 0;
         retstr = bitcoind_getinfo(coin->symbol,coin->chain->serverport,coin->chain->userpass,coin->getinfostr);
-        usleep(10000);
+        usleep(1000);
     }
     else if ( coin->FULLNODE > 0 || coin->VALIDATENODE > 0 )
     {
@@ -304,7 +304,7 @@ cJSON *dpow_getblock(struct supernet_info *myinfo,struct iguana_info *coin,bits2
         retstr = bitcoind_passthru(coin->symbol,coin->chain->serverport,coin->chain->userpass,"getblock",buf);
         if ( 0 && strcmp(coin->symbol,"USD") == 0 )
             printf("%s getblock.(%s)\n",coin->symbol,retstr);
-        usleep(10000);
+        usleep(1000);
     }
     else if ( coin->FULLNODE > 0 || coin->VALIDATENODE > 0 )
     {
@@ -329,7 +329,7 @@ char *dpow_validateaddress(struct supernet_info *myinfo,struct iguana_info *coin
     {
         sprintf(buf,"\"%s\"",address);
         retstr = bitcoind_passthru(coin->symbol,coin->chain->serverport,coin->chain->userpass,"validateaddress",buf);
-        usleep(10000);
+        usleep(1000);
     }
     else if ( coin->FULLNODE > 0 || coin->VALIDATENODE > 0 )
     {
@@ -349,7 +349,7 @@ cJSON *dpow_gettxout(struct supernet_info *myinfo,struct iguana_info *coin,bits2
     if ( coin->FULLNODE < 0 )
     {
         retstr = bitcoind_passthru(coin->symbol,coin->chain->serverport,coin->chain->userpass,"gettxout",buf);
-        usleep(10000);
+        usleep(1000);
     }
     else if ( coin->FULLNODE > 0 || coin->VALIDATENODE > 0 )
     {
@@ -380,7 +380,7 @@ char *dpow_decoderawtransaction(struct supernet_info *myinfo,struct iguana_info
         retstr = bitcoind_passthru(coin->symbol,coin->chain->serverport,coin->chain->userpass,"decoderawtransaction",paramstr);
         //printf("%s decoderawtransaction.(%s) <- (%s)\n",coin->symbol,retstr,paramstr);
         free(paramstr);
-        usleep(10000);
+        usleep(1000);
     }
     else if ( coin->FULLNODE > 0 || coin->VALIDATENODE > 0 )
     {
@@ -402,7 +402,7 @@ cJSON *dpow_gettransaction(struct supernet_info *myinfo,struct iguana_info *coin
         if ( (retstr= bitcoind_passthru(coin->symbol,coin->chain->serverport,coin->chain->userpass,"getrawtransaction",buf)) != 0 )
         {
         }
-        usleep(10000);
+        usleep(1000);
     }
     else if ( coin->FULLNODE > 0 || coin->VALIDATENODE > 0 )
     {
@@ -509,7 +509,7 @@ char *dpow_signrawtransaction(struct supernet_info *myinfo,struct iguana_info *c
         retstr = bitcoind_passthru(coin->symbol,coin->chain->serverport,coin->chain->userpass,"signrawtransaction",paramstr);
         //printf("%s signrawtransaction.(%s) params.(%s)\n",coin->symbol,retstr,paramstr);
         free(paramstr);
-        usleep(10000);
+        usleep(1000);
         return(retstr);
     }
     else if ( coin->FULLNODE > 0 || coin->VALIDATENODE > 0 )
@@ -1298,7 +1298,7 @@ int32_t dpow_issuer_iteration(struct dpow_info *dp,struct iguana_info *coin,int3
                         printf("error height %d\n",height);
                         break;
                     }
-                    usleep(10000);
+                    usleep(1000);
                 }
                 if ( height >= currentheight )
                     *isrealtimep = (uint32_t)time(NULL);
diff --git a/iguana/iguana777.h b/iguana/iguana777.h
index eb058e620..02dbc4e84 100755
--- a/iguana/iguana777.h
+++ b/iguana/iguana777.h
@@ -159,7 +159,7 @@ struct supernet_info
     struct exchange_info *tradingexchanges[SUPERNET_MAXEXCHANGES]; int32_t numexchanges;
     struct iguana_waccount *wallet;
     struct iguana_info *allcoins; int32_t allcoins_being_added,allcoins_numvirts;
-    portable_mutex_t bu_mutex,allcoins_mutex,gecko_mutex,basilisk_mutex,DEX_mutex,DEX_reqmutex,DEX_swapmutex,smart_mutex;
+    portable_mutex_t bu_mutex,allcoins_mutex,gecko_mutex,basilisk_mutex,DEX_mutex,DEX_reqmutex,DEX_swapmutex,smart_mutex,MoM_mutex;
     struct queueitem *DEX_quotes; cJSON *Cunspents,*Cspends;
     struct basilisk_swap *swaps[256]; int32_t numswaps;
     struct basilisk_message *messagetable; portable_mutex_t messagemutex; queue_t msgQ,p2pQ;
diff --git a/iguana/main.c b/iguana/main.c
index de0f6d32d..0bb573287 100755
--- a/iguana/main.c
+++ b/iguana/main.c
@@ -2245,6 +2245,7 @@ void iguana_main(void *arg)
     strcpy(myinfo->rpcsymbol,"BTCD");
     iguana_urlinit(myinfo,ismainnet,usessl);
     portable_mutex_init(&myinfo->pending_mutex);
+    portable_mutex_init(&myinfo->MoM_mutex);
     portable_mutex_init(&myinfo->dpowmutex);
     portable_mutex_init(&myinfo->notarymutex);
     portable_mutex_init(&myinfo->psockmutex);