diff --git a/iguana/iguana_blocks.c b/iguana/iguana_blocks.c
index 96d81da00..6a5974613 100755
--- a/iguana/iguana_blocks.c
+++ b/iguana/iguana_blocks.c
@@ -337,7 +337,7 @@ void iguana_blockzcopy(uint8_t zcash,struct iguana_block *dest,struct iguana_blo
 int32_t iguana_blockvalidate(struct supernet_info *myinfo,struct iguana_info *coin,int32_t *validp,struct iguana_block *block,int32_t dispflag)
 {
     bits256 hash2; uint8_t serialized[sizeof(struct iguana_msgblock) + 4096];
-    if ( coin->chain->debug != 0 )
+    if ( coin->chain->debug != 0 || coin->chain->zcash != 0 )
     {
         *validp = 1;
         return(0);
diff --git a/iguana/iguana_bundles.c b/iguana/iguana_bundles.c
index 4f3486559..93658074b 100755
--- a/iguana/iguana_bundles.c
+++ b/iguana/iguana_bundles.c
@@ -816,7 +816,7 @@ int32_t iguana_bundleready(struct supernet_info *myinfo,struct iguana_info *coin
                 counts[block->peerid]++;
             }
             //printf("(%x:%x) ",(uint32_t)block->RO.hash2.ulongs[3],(uint32_t)bp->hashes[i].ulongs[3]);
-            if ( block->txvalid == 0 || block->fpipbits == 0 || block->fpos < 0 || (bp->bundleheight+i > 0 && bits256_nonz(block->RO.prev_block) == 0) || iguana_blockvalidate(myinfo,coin,&valid,block,1) < 0 )
+            if ( (bp->bundleheight+i > 0 && bits256_nonz(block->RO.prev_block) == 0) || iguana_blockvalidate(myinfo,coin,&valid,block,1) < 0 ) //block->txvalid == 0 || block->fpipbits == 0 || block->fpos < 0 ||
             {
                 char str[65];
                 if ( requiredflag != 0 )
diff --git a/iguana/iguana_ramchain.c b/iguana/iguana_ramchain.c
index ae9425f66..5f783e34f 100755
--- a/iguana/iguana_ramchain.c
+++ b/iguana/iguana_ramchain.c
@@ -2014,7 +2014,7 @@ void iguana_blockdelete(struct iguana_info *coin,bits256 hash2,int32_t i)
 void iguana_blockunmark(struct iguana_info *coin,struct iguana_block *block,struct iguana_bundle *bp,int32_t i,int32_t deletefile)
 {
     void *ptr; int32_t recvlen,height = -1; uint8_t zcash = 0;
-    if ( 0 && bp != 0 )
+    if ( bp != 0 )
         printf("UNMARK.[%d:%d]\n",bp->hdrsi,i);
     if ( block != 0 )
     {
diff --git a/iguana/iguana_recv.c b/iguana/iguana_recv.c
index 26764a123..4e3c9f7a2 100755
--- a/iguana/iguana_recv.c
+++ b/iguana/iguana_recv.c
@@ -808,7 +808,7 @@ void iguana_gotblockM(struct supernet_info *myinfo,struct iguana_info *coin,stru
     }
     if ( (block= bp->blocks[bundlei]) == 0 || bits256_nonz(bp->hashes[bundlei]) == 0 )
     {
-        printf("SET [%d:%d]\n",bp->hdrsi,bundlei);
+        //printf("SET [%d:%d]\n",bp->hdrsi,bundlei);
         //iguana_hash2set(coin,"noblock",bp,bundlei,origtxdata->zblock.RO.hash2);
         bp->hashes[bundlei] = origtxdata->zblock.RO.hash2;
         if ( bp->speculative != 0 )
@@ -822,7 +822,7 @@ void iguana_gotblockM(struct supernet_info *myinfo,struct iguana_info *coin,stru
         block->hdrsi = bp->hdrsi;
         block->bundlei = bundlei;
         block->height = bp->hdrsi*coin->chain->bundlesize + bundlei;
-        block->txvalid = 1;
+        block->txvalid = block->valid = 1;
         block->RO.txn_count = origtxdata->zblock.RO.txn_count;
         if ( block->fpipbits != 0 && block->fpos >= 0 )
         {
@@ -1377,7 +1377,7 @@ struct iguana_bundlereq *iguana_recvblockhdrs(struct supernet_info *myinfo,struc
                         firstbp = bp;
                     if ( block->height >= 0 && block->height+1 > coin->longestchain )
                         coin->longestchain = block->height+1;
-                    //_iguana_chainlink(myinfo,coin,block);
+                    _iguana_chainlink(myinfo,coin,block);
                 }
                 //char str[65]; printf("HWM in hdr's prev[%d] bp.%p bundlei.%d block.%p %s\n",i,bp,bundlei,block,bp!=0?bits256_str(str,bp->hashes[bundlei]):"()");
             }
@@ -1642,6 +1642,7 @@ struct iguana_bundlereq *iguana_recvblock(struct supernet_info *myinfo,struct ig
         printf("error adding %s\n",bits256_str(str,origblock->RO.hash2));
         return(req);
     }
+    else block->txvalid = block->valid = 1;
     if ( bits256_nonz(origblock->RO.prev_block) != 0 )
     {
         if ( (prevblock= iguana_blockfind("prev",coin,origblock->RO.prev_block)) != 0 )