diff --git a/gecko/gecko_miner.c b/gecko/gecko_miner.c
index fef927c02..650fd9cbb 100755
--- a/gecko/gecko_miner.c
+++ b/gecko/gecko_miner.c
@@ -100,19 +100,19 @@ uint32_t gecko_nBits(struct iguana_info *virt,uint32_t *prevtimestampp,struct ig
 
 int32_t gecko_delayedPoW(struct supernet_info *myinfo,struct iguana_info *btcd,int32_t isPoS,uint8_t *coinbase,bits256 *btcdhashp,uint32_t timestamp,int32_t height)
 {
-    int32_t len = 0; //bits256 btchash; 
-    *btcdhashp = GENESIS_PUBKEY;
+    int32_t len = 0; //bits256 btchash;
+    memset(btcdhashp,0,sizeof(*btcdhashp));
     len += iguana_rwnum(1,&coinbase[len],sizeof(height),(void *)&height);
     coinbase[len++] = 0;
     if ( (isPoS & 7) != 0 )
     {
-        /* *btcdhashp = gecko_hashstampscalc(myinfo,btcd,&btchash,timestamp);
+        /**btcdhashp = gecko_hashstampscalc(myinfo,btcd,&btchash,timestamp);
         if ( (isPoS & 2) != 0 && (bits256_cmp(*btcdhashp,GENESIS_PUBKEY) == 0 || bits256_nonz(*btcdhashp) == 0) )
             return(-1);
         if ( (isPoS & 4) != 0 && (bits256_cmp(btchash,GENESIS_PUBKEY) == 0 || bits256_nonz(btchash) == 0) )
-            return(-1);
+            return(-1);*/
         //len += iguana_rwbignum(1,&coinbase[len],sizeof(*btcdhashp),btcdhashp->bytes);
-        len += iguana_rwbignum(1,&coinbase[len],sizeof(btchash),btchash.bytes);*/
+        //len += iguana_rwbignum(1,&coinbase[len],sizeof(btchash),btchash.bytes);
     }
     return(len);
 }
diff --git a/iguana/iguana_instantdex.c b/iguana/iguana_instantdex.c
index 440a3b7fa..a118dfcac 100755
--- a/iguana/iguana_instantdex.c
+++ b/iguana/iguana_instantdex.c
@@ -1720,7 +1720,7 @@ TWO_STRINGS(InstantDEX,events,base,rel)
 
 ZERO_ARGS(InstantDEX,allcoins)
 {
-    return(clonestr("{\"result\":\"[\"BTC\", \"BTCD\", \"LTC\", \"SYS\", \"ZEC\"]\"}"));
+    return(clonestr("{\"result\":[\"BTC\", \"BTCD\", \"LTC\", \"SYS\", \"ZEC\"]}"));
 }
 
 STRING_ARG(InstantDEX,available,source)
diff --git a/iguana/iguana_ramchain.c b/iguana/iguana_ramchain.c
index 83a31a07a..3b1f75576 100755
--- a/iguana/iguana_ramchain.c
+++ b/iguana/iguana_ramchain.c
@@ -443,7 +443,7 @@ uint32_t iguana_ramchain_addspend(struct iguana_info *coin,RAMCHAIN_FUNC,bits256
     s = &Sx[spendind];
     pkind = unspentind = 0;
     ptr = iguana_hashfind(ramchain,'T',prev_hash.bytes);
-    if ( prev_vout >= 0 && ptr == 0 )
+    if ( (bits256_nonz(prev_hash) != 0 || prev_vout >= 0) && ptr == 0 )
     {
         external = 1;
         txidind = ramchain->externalind++;
diff --git a/iguana/iguana_realtime.c b/iguana/iguana_realtime.c
index 3ae6b1278..dda87f0b8 100755
--- a/iguana/iguana_realtime.c
+++ b/iguana/iguana_realtime.c
@@ -209,10 +209,6 @@ int32_t iguana_realtime_update(struct supernet_info *myinfo,struct iguana_info *
     struct iguana_block *block=0; struct iguana_blockRO *B; struct iguana_ramchain *dest=0,blockR;
     if ( coin->peers == 0 && coin->virtualchain == 0 )
         return(0);
-    if ( coin->virtualchain != 0 )
-    {
-        ;
-    }
     offset = (strcmp("BTCD",coin->symbol) == 0);
     if ( coin->current != 0 && (coin->blocks.hwmchain.height % coin->chain->bundlesize) == coin->chain->bundlesize-1 && coin->blocks.hwmchain.height/coin->chain->bundlesize == coin->longestchain/coin->chain->bundlesize )
     {
@@ -283,14 +279,6 @@ int32_t iguana_realtime_update(struct supernet_info *myinfo,struct iguana_info *
         {
             iguana_RThdrs(coin,bp,coin->peers->numranked);
             coin->RThdrstime = bp->lastRT;
-            for (i=0; i<coin->peers->numranked; i++)
-            {
-                if ( (addr= coin->peers->ranked[i]) != 0 && addr->usock >= 0 && addr->dead == 0 )
-                {
-                    //printf("%d ",addr->numRThashes);
-                }
-            }
-            //printf("RTheaders %s\n",coin->symbol);
         }
         bp->lastRT = (uint32_t)time(NULL);
         iguana_RTramchainalloc("RTbundle",coin,bp);
diff --git a/iguana/iguana_spendvectors.c b/iguana/iguana_spendvectors.c
index 0c3ba9295..e0a72b017 100755
--- a/iguana/iguana_spendvectors.c
+++ b/iguana/iguana_spendvectors.c
@@ -929,7 +929,7 @@ int32_t iguana_balanceflush(struct iguana_info *coin,int32_t refhdrsi)
 
 int32_t iguana_spendvectorsaves(struct iguana_info *coin)
 {
-    int32_t i,j,n,iter; struct iguana_bundle *bp; struct iguana_ramchain *ramchain; struct iguana_ramchaindata *rdata;
+    int32_t i,j,n,iter; struct iguana_bundle *bp;
     if ( coin->spendvectorsaved > 1 )
         return(0);
     coin->spendvectorsaved = 1;
@@ -941,8 +941,6 @@ int32_t iguana_spendvectorsaves(struct iguana_info *coin)
         {
             if ( (bp= coin->bundles[i]) != 0 )
             {
-                rdata = (bp == coin->current) ? bp->ramchain.H.data : coin->RTramchain.H.data;
-                ramchain = (bp == coin->current) ? &bp->ramchain : &coin->RTramchain;
                 if ( iter == 0 )
                 {
                     if ( bp->tmpspends != 0 )//bp->ramchain.Xspendinds == 0 &&
@@ -955,9 +953,9 @@ int32_t iguana_spendvectorsaves(struct iguana_info *coin)
                             }
                     }
                 }
-                else if ( rdata != 0 && iguana_spendvectorsave(coin,bp,ramchain,bp->tmpspends,bp->numtmpspends,rdata->numspends) == 0 )
+                else if ( iguana_spendvectorsave(coin,bp,&bp->ramchain,bp->tmpspends,bp->numtmpspends,bp->ramchain.H.data->numspends) == 0 )
                 {
-                    if ( bp->tmpspends != 0 && bp->numtmpspends > 0 && bp->tmpspends != ramchain->Xspendinds )
+                    if ( bp->tmpspends != 0 && bp->numtmpspends > 0 && bp->tmpspends != bp->ramchain.Xspendinds )
                         myfree(bp->tmpspends,sizeof(*bp->tmpspends) * bp->numtmpspends);
                     bp->numtmpspends = 0;
                     bp->tmpspends = 0;
diff --git a/iguana/iguana_unspents.c b/iguana/iguana_unspents.c
index e39a1adfa..d142f87b7 100755
--- a/iguana/iguana_unspents.c
+++ b/iguana/iguana_unspents.c
@@ -161,7 +161,7 @@ struct iguana_pkhash *iguana_pkhashfind(struct iguana_info *coin,struct iguana_r
                 printf("iguana_pkhashfind: unexpected access when RTramchain_busy\n");
                 return(0);
             }
-            ramchain = (bp != coin->current) ? &bp->ramchain : &coin->RTramchain;
+            ramchain = &bp->ramchain;//(bp != coin->current) ? &bp->ramchain : &coin->RTramchain;
             if ( (rdata= ramchain->H.data) != 0 )
             {
                 numpkinds = rdata->numpkinds;