diff --git a/iguana/dpow/dpow_fsm.c b/iguana/dpow/dpow_fsm.c
index 3b500ba50..48bec2e9c 100755
--- a/iguana/dpow/dpow_fsm.c
+++ b/iguana/dpow/dpow_fsm.c
@@ -162,7 +162,7 @@ int32_t dpow_checkutxo(struct supernet_info *myinfo,struct dpow_info *dp,struct
 
 uint32_t Numallocated;
 
-int32_t dpow_txhasnotarization(struct supernet_info *myinfo,struct iguana_info *coin,bits256 txid,int32_t height)
+int32_t dpow_txhasnotarization(int32_t *nothtp,struct supernet_info *myinfo,struct iguana_info *coin,bits256 txid,int32_t height)
 {
     cJSON *txobj,*vins,*vin,*vouts,*vout,*spentobj,*sobj; char *hexstr; uint8_t script[35]; bits256 spenttxid; uint64_t notarymask; int32_t i,j,numnotaries,len,spentvout,numvins,numvouts,hasnotarization = 0;
     if ( (txobj= dpow_gettransaction(myinfo,coin,txid)) != 0 )
@@ -213,8 +213,11 @@ int32_t dpow_txhasnotarization(struct supernet_info *myinfo,struct iguana_info *
                 if ( numnotaries > 0 )
                 {
                     if ( numnotaries >= DPOW_MIN_ASSETCHAIN_SIGS )
+                    {
                         hasnotarization = 1;
-                    printf("numnotaries.%d %s hasnotarization.%d ht.%d\n",numnotaries,coin->symbol,hasnotarization,height);
+                        *nothtp = height - 10;
+                        printf("numnotaries.%d %s hasnotarization.%d ht.%d MUSTFIX notht.%d\n",numnotaries,coin->symbol,hasnotarization,height,*nothtp);
+                    }
                 }
             }
         }
@@ -223,15 +226,16 @@ int32_t dpow_txhasnotarization(struct supernet_info *myinfo,struct iguana_info *
     return(hasnotarization);
 }
 
-int32_t dpow_hasnotarization(struct supernet_info *myinfo,struct iguana_info *coin,cJSON *blockjson,int32_t ht)
+int32_t dpow_hasnotarization(int32_t *nothtp,struct supernet_info *myinfo,struct iguana_info *coin,cJSON *blockjson,int32_t ht)
 {
     int32_t i,n,hasnotarization = 0; bits256 txid; cJSON *txarray;
+    *nothtp = 0;
     if ( (txarray= jarray(&n,blockjson,"tx")) != 0 )
     {
         for (i=0; i<n; i++)
         {
             txid = jbits256i(txarray,i);
-            hasnotarization += dpow_txhasnotarization(myinfo,coin,txid,ht);
+            hasnotarization += dpow_txhasnotarization(nothtp,myinfo,coin,txid,ht);
         }
     }
     return(hasnotarization);
@@ -239,27 +243,30 @@ int32_t dpow_hasnotarization(struct supernet_info *myinfo,struct iguana_info *co
 
 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 ht,maxdepth = 65536,MoMdepth = 0;
+    bits256 MoM,blockhash,merkle,*merkles; cJSON *blockjson; int32_t breakht=0,notht=0,ht,maxdepth = 1440,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);
     if ( (blockjson= dpow_getblock(myinfo,coin,blockhash)) != 0 )
     {
         merkle = jbits256(blockjson,"merkleroot");
         free_json(blockjson);
         if ( bits256_nonz(merkle) != 0 )
         {
-            merkles = calloc(maxdepth,sizeof(*merkles));
+            merkles = calloc(3*maxdepth+1,sizeof(*merkles));
             merkles[MoMdepth++] = merkle;
-            while ( MoMdepth < maxdepth && MoMdepth < height )
+            ht = height - MoMdepth;
+            while ( MoMdepth < maxdepth && ht >= breakht && ht > 0 )
             {
-                ht = height - MoMdepth;
+                //fprintf(stderr,"%s.%d ",coin->symbol,ht);
                 blockhash = dpow_getblockhash(myinfo,coin,ht);
                 if ( (blockjson= dpow_getblock(myinfo,coin,blockhash)) != 0 )
                 {
-                    if ( dpow_hasnotarization(myinfo,coin,blockjson,ht) > 0 )
+                    if ( breakht == 0 && dpow_hasnotarization(&notht,myinfo,coin,blockjson,ht) > 0 )
                     {
-                        free_json(blockjson);
-                        break;
+                        breakht = notht;
+                        //free_json(blockjson);
+                        //printf("%s has notarization at %d for breakht.%d\n",coin->symbol,ht,notht);
                     }
                     merkle = jbits256(blockjson,"merkleroot");
                     free_json(blockjson);
@@ -278,11 +285,12 @@ bits256 dpow_calcMoM(uint32_t *MoMdepthp,struct supernet_info *myinfo,struct igu
                     MoMdepth = 0;
                     break;
                 }
+                ht = height - MoMdepth;
             }
-            if ( MoMdepth > 0 && MoMdepth < maxdepth )
+            if ( MoMdepth > 0 )
             {
                 MoM = iguana_merkle(coin->symbol,merkles,MoMdepth);
-                char str[65]; printf("%s from height.%d MoMdepth.%d -> MoM %s\n",coin->symbol,height,MoMdepth,bits256_str(str,MoM));
+                char str[65]; printf("%s from height.%d ht.%d MoMdepth.%d -> MoM %s\n",coin->symbol,height,ht,MoMdepth,bits256_str(str,MoM));
             }
             else
             {
@@ -293,6 +301,7 @@ bits256 dpow_calcMoM(uint32_t *MoMdepthp,struct supernet_info *myinfo,struct igu
         } else printf("%s.ht%d null merkles\n",coin->symbol,height);
     } else printf("%s.ht%d null block\n",coin->symbol,height);
     *MoMdepthp = MoMdepth;
+    //printf("done MoM calc %s height.%d MoMdepth.%d\n",coin->symbol,height,MoMdepth);
     return(MoM);
 }
 
@@ -328,11 +337,14 @@ 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 )
     {
         bp = calloc(1,sizeof(*bp));
+        //printf("allocate bp for %s ht.%d -> %s\n",src->symbol,checkpoint.blockhash.height,dest->symbol);
         Numallocated++;
         bp->MoM = MoM;
         bp->MoMdepth = MoMdepth;
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/iguana_notary.c b/iguana/iguana_notary.c
index 59483c7eb..f56bb4c79 100755
--- a/iguana/iguana_notary.c
+++ b/iguana/iguana_notary.c
@@ -60,7 +60,7 @@ void dpow_checkpointset(struct supernet_info *myinfo,struct dpow_checkpoint *che
 
 void dpow_srcupdate(struct supernet_info *myinfo,struct dpow_info *dp,int32_t height,bits256 hash,uint32_t timestamp,uint32_t blocktime)
 {
-    void **ptrs; char str[65]; cJSON *blockjson; struct iguana_info *coin; struct dpow_checkpoint checkpoint; int32_t freq,minsigs,i,ht; struct dpow_block *bp;
+    void **ptrs; char str[65]; cJSON *blockjson; struct iguana_info *coin; struct dpow_checkpoint checkpoint; int32_t freq,minsigs,i,ht,notht; struct dpow_block *bp;
     dpow_checkpointset(myinfo,&dp->last,height,hash,timestamp,blocktime);
     checkpoint = dp->srcfifo[dp->srcconfirms];
     if ( strcmp("BTC",dp->dest) == 0 )
@@ -88,14 +88,15 @@ void dpow_srcupdate(struct supernet_info *myinfo,struct dpow_info *dp,int32_t he
                 if ( (blockjson= dpow_getblock(myinfo,coin,hash)) != 0 )
                 {
                     height = jint(blockjson,"height");
-                    if ( dpow_hasnotarization(myinfo,coin,blockjson,height) <= 0 )
+                    if ( dpow_hasnotarization(&notht,myinfo,coin,blockjson,height) <= 0 )
                     {
                         blocktime = juint(blockjson,"time");
                         free_json(blockjson);
                         if ( height > 0 && blocktime > 0 )
                         {
                             dpow_checkpointset(myinfo,&dp->last,height,hash,timestamp,blocktime);
-                            //printf("dynamic set %s/%s %s <- height.%d\n",dp->symbol,dp->dest,bits256_str(str,hash),height);
+                            if ( (0) &&strcmp("BEER",dp->symbol) == 0 )
+                                printf("dynamic set %s/%s %s <- height.%d\n",dp->symbol,dp->dest,bits256_str(str,hash),height);
                             checkpoint = dp->last;
                         } else return;
                         if ( bits256_nonz(dp->activehash) != 0 && bits256_cmp(dp->activehash,checkpoint.blockhash.hash) == 0 )
@@ -108,7 +109,8 @@ void dpow_srcupdate(struct supernet_info *myinfo,struct dpow_info *dp,int32_t he
                             printf("lastnotarized.(%s) is current checkpoint, skip\n",bits256_str(str,dp->lastnotarized));
                             return;
                         }
-                        //printf("checkpoint.(%s) is not active and not lastnotarized\n",bits256_str(str,checkpoint.blockhash.hash));
+                        if ( (0) && strcmp("BEER",dp->symbol) == 0 )
+                            printf("checkpoint.(%s) is not active and not lastnotarized\n",bits256_str(str,checkpoint.blockhash.hash));
                     } else return;
                 } else return;
             } else return;
@@ -116,7 +118,8 @@ void dpow_srcupdate(struct supernet_info *myinfo,struct dpow_info *dp,int32_t he
     }
     if ( bits256_nonz(checkpoint.blockhash.hash) != 0 && (checkpoint.blockhash.height % freq) == 0 )
     {
-        //printf("%s/%s src ht.%d dest.%u nonz.%d %s minsigs.%d\n",dp->symbol,dp->dest,checkpoint.blockhash.height,dp->destupdated,bits256_nonz(checkpoint.blockhash.hash),bits256_str(str,dp->last.blockhash.hash),minsigs);
+        if ( (0) && strcmp("BEER",dp->symbol) == 0 )
+            printf("%s/%s src ht.%d dest.%u nonz.%d %s minsigs.%d\n",dp->symbol,dp->dest,checkpoint.blockhash.height,dp->destupdated,bits256_nonz(checkpoint.blockhash.hash),bits256_str(str,dp->last.blockhash.hash),minsigs);
         dpow_heightfind(myinfo,dp,checkpoint.blockhash.height + 1000);
         ptrs = calloc(1,sizeof(void *)*5 + sizeof(struct dpow_checkpoint) + sizeof(pthread_t));
         ptrs[0] = (void *)myinfo;
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);