diff --git a/iguana/iguana_blocks.c b/iguana/iguana_blocks.c
index ef47383a2..fdfffe915 100755
--- a/iguana/iguana_blocks.c
+++ b/iguana/iguana_blocks.c
@@ -531,7 +531,7 @@ void iguana_setchain(void *chainparms)
 
 struct iguana_block *_iguana_chainlink(struct iguana_info *coin,struct iguana_block *newblock)
 {
-    int32_t valid,bundlei,height=-1; struct iguana_block *hwmchain,*block = 0,*prev=0,*next;
+    int32_t valid,bundlei,height=-1; struct iguana_block *hwmchain,*block = 0,*prev=0;
     bits256 *hash2p=0; double prevPoW = 0.; struct iguana_bundle *bp;
     if ( newblock == 0 )
         return(0);
@@ -542,7 +542,7 @@ struct iguana_block *_iguana_chainlink(struct iguana_info *coin,struct iguana_bl
     if ( (block= iguana_blockfind("chainlink",coin,newblock->RO.hash2)) != 0 )
     {
         if ( block->RO.timestamp == 0 )
-            block->mainchain = block->valid = 0;
+            block->mainchain = block->valid = block->txvalid = 0;
         iguana_blocksizecheck("chainlink",coin->chain->zcash,block);
         if ( memcmp(coin->chain->genesis_hashdata,block->RO.hash2.bytes,sizeof(bits256)) == 0 )
             block->PoW = PoW_from_compact(block->RO.bits,coin->chain->unitval), height = 0;
@@ -554,13 +554,13 @@ struct iguana_block *_iguana_chainlink(struct iguana_info *coin,struct iguana_bl
             {
                 prevPoW = prev->PoW;
                 block->PoW = PoW_from_compact(block->RO.bits,coin->chain->unitval) + prevPoW;
-                if ( (next= prev->hh.next) != 0 )
+                /*if ( (next= prev->hh.next) != 0 )
                 {
                     if ( next->mainchain != 0 && block->PoW < next->PoW )
                         return(0);
                     //printf("block->PoW %f next %f\n",block->PoW,next->PoW);
                     hwmchain = next;
-                }
+                }*/
                 height = prev->height + 1;
             }
             else
@@ -593,7 +593,7 @@ struct iguana_block *_iguana_chainlink(struct iguana_info *coin,struct iguana_bl
                 //    iguana_blockunmain(coin,prev->hh.next);
                 prev->hh.next = block;
             }
-            if ( coin->isRT != 0 || block->height == hwmchain->height )
+            if ( coin->isRT != 0 || block->height >= hwmchain->height )
             {
                 coin->blocks.maxblocks = (block->height + 1);
                 //printf("[%s] <- ht.%d %f\n",bits256_str(str,block->RO.hash2),coin->blocks.hwmchain.height,coin->blocks.hwmchain.PoW);
diff --git a/iguana/iguana_recv.c b/iguana/iguana_recv.c
index b65b1fb6d..5d2dc5cf6 100755
--- a/iguana/iguana_recv.c
+++ b/iguana/iguana_recv.c
@@ -1676,12 +1676,12 @@ int32_t iguana_processrecv(struct supernet_info *myinfo,struct iguana_info *coin
         //iguana_utxoaddr_gen(myinfo,coin,(coin->balanceswritten - 1) * coin->chain->bundlesize);
     }
     flag += iguana_processrecvQ(coin,&newhwm);
+    flag += iguana_reqblocks(coin);
     //if ( coin->spendvectorsaved > 1 )
     {
         if ( time(NULL) > coin->laststats+5 )
         {
             flag += iguana_reqhdrs(coin);
-            flag += iguana_reqblocks(coin);
             iguana_bundlestats(coin,str,IGUANA_DEFAULTLAG);
             coin->laststats = (uint32_t)time(NULL);
         }
diff --git a/iguana/main.c b/iguana/main.c
index 1a36bcb7c..6feb8941c 100755
--- a/iguana/main.c
+++ b/iguana/main.c
@@ -551,10 +551,10 @@ void iguana_appletests(struct supernet_info *myinfo)
             bitcoin_sharedsecret(myinfo->ctx,hash2,pubkey,33);
         printf("secp256k1 elapsed %.3f for %d iterations\n",OS_milliseconds() - startmillis,i);
        getchar();**/
-        if ( 1 && (str= SuperNET_JSON(myinfo,cJSON_Parse("{\"protover\":70002,\"RELAY\":1,\"VALIDATE\":0,\"portp2p\":14631,\"rpc\":14632,\"agent\":\"iguana\",\"method\":\"addcoin\",\"startpend\":64,\"endpend\":64,\"services\":129,\"maxpeers\":64,\"newcoin\":\"BTCD\",\"active\":1,\"numhelpers\":1,\"poll\":1}"),0,myinfo->rpcport)) != 0 )
+        if ( 1 && (str= SuperNET_JSON(myinfo,cJSON_Parse("{\"protover\":70002,\"RELAY\":1,\"VALIDATE\":0,\"portp2p\":14631,\"rpc\":14632,\"agent\":\"iguana\",\"method\":\"addcoin\",\"startpend\":64,\"endpend\":64,\"services\":129,\"maxpeers\":64,\"newcoin\":\"BTCD\",\"active\":1,\"numhelpers\":1,\"poll\":100}"),0,myinfo->rpcport)) != 0 )
         {
             free(str);
-            if ( 1 && (str= SuperNET_JSON(myinfo,cJSON_Parse("{\"portp2p\":8333,\"RELAY\":0,\"VALIDATE\":0,\"agent\":\"iguana\",\"method\":\"addcoin\",\"startpend\":1,\"endpend\":1,\"services\":128,\"maxpeers\":8,\"newcoin\":\"BTC\",\"active\":0,\"numhelpers\":1,\"poll\":100}"),0,myinfo->rpcport)) != 0 )
+            if ( 0 && (str= SuperNET_JSON(myinfo,cJSON_Parse("{\"portp2p\":8333,\"RELAY\":0,\"VALIDATE\":0,\"agent\":\"iguana\",\"method\":\"addcoin\",\"startpend\":1,\"endpend\":1,\"services\":128,\"maxpeers\":8,\"newcoin\":\"BTC\",\"active\":0,\"numhelpers\":1,\"poll\":100}"),0,myinfo->rpcport)) != 0 )
             {
                 free(str);
                 if ( 0 && (str= SuperNET_JSON(myinfo,cJSON_Parse("{\"agent\":\"SuperNET\",\"method\":\"login\",\"handle\":\"alice\",\"password\":\"alice\",\"passphrase\":\"alice\"}"),0,myinfo->rpcport)) != 0 )
diff --git a/includes/iguana_defines.h b/includes/iguana_defines.h
index e4c846c90..0eeaebe81 100755
--- a/includes/iguana_defines.h
+++ b/includes/iguana_defines.h
@@ -78,7 +78,7 @@ struct iguana_txdatabits { uint64_t addrind:IGUANA_LOG2MAXPEERS,filecount:10,fpo
 
 #define IGUANA_DEDICATED_THREADS
 #ifdef IGUANA_DEDICATED_THREADS
-#define IGUANA_MAXCONNTHREADS 16
+#define IGUANA_MAXCONNTHREADS 32
 #define IGUANA_MAXSENDTHREADS (IGUANA_MAXPEERS>>2)
 #define IGUANA_MAXRECVTHREADS (IGUANA_MAXPEERS>>2)
 #else