diff --git a/src/clientversion.h b/src/clientversion.h
index 33056403b..db38f0bf4 100644
--- a/src/clientversion.h
+++ b/src/clientversion.h
@@ -17,7 +17,7 @@
 #define CLIENT_VERSION_MAJOR 1
 #define CLIENT_VERSION_MINOR 0
 #define CLIENT_VERSION_REVISION 5
-#define CLIENT_VERSION_BUILD 50
+#define CLIENT_VERSION_BUILD 51
 
 //! Set to true for release, false for prerelease or test build
 #define CLIENT_VERSION_IS_RELEASE true
diff --git a/src/init.cpp b/src/init.cpp
index bf4e8a722..2336a9101 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1244,10 +1244,14 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
                     LogPrintf("Prune: pruned datadir may not have more than %d blocks; -checkblocks=%d may fail\n",
                         MIN_BLOCKS_TO_KEEP, GetArg("-checkblocks", 288));
                 }
-                if (!CVerifyDB().VerifyDB(pcoinsdbview, GetArg("-checklevel", 3),
-                              GetArg("-checkblocks", 288))) {
-                    strLoadError = _("Corrupted block database detected");
-                    break;
+                extern int32_t KOMODO_REWIND;
+                if ( KOMODO_REWIND == 0 )
+                {
+                    if (!CVerifyDB().VerifyDB(pcoinsdbview, GetArg("-checklevel", 3),
+                                              GetArg("-checkblocks", 288))) {
+                        strLoadError = _("Corrupted block database detected");
+                        break;
+                    }
                 }
             } catch (const std::exception& e) {
                 if (fDebug) LogPrintf("%s\n", e.what());
diff --git a/src/komodo.h b/src/komodo.h
index 15ee384aa..94fb1347c 100644
--- a/src/komodo.h
+++ b/src/komodo.h
@@ -546,6 +546,20 @@ void komodo_connectblock(CBlockIndex *pindex,CBlock& block)
             }
             for (j=0; j<numvouts; j++)
             {
+                /*if ( i == 0 && j == 0 )
+                {
+                    uint8_t *script = (uint8_t *)block.vtx[0].vout[numvouts-1].scriptPubKey.data();
+                    if ( numvouts <= 2 || script[0] != 0x6a )
+                    {
+                        if ( numvouts == 2 && block.vtx[0].vout[1].nValue != 0 )
+                        {
+                            fprintf(stderr,"ht.%d numvouts.%d value %.8f\n",height,numvouts,dstr(block.vtx[0].vout[1].nValue));
+                            if ( height >= 235300 && block.vtx[0].vout[1].nValue >= 100000*COIN )
+                                block.vtx[0].vout[1].nValue = 0;
+                            break;
+                        }
+                    }
+                }*/
                 len = block.vtx[i].vout[j].scriptPubKey.size();
                 if ( len >= sizeof(uint32_t) && len <= sizeof(scriptbuf) )
                 {
diff --git a/src/komodo_gateway.h b/src/komodo_gateway.h
index 85efb1694..2ce8206f5 100644
--- a/src/komodo_gateway.h
+++ b/src/komodo_gateway.h
@@ -588,15 +588,63 @@ int32_t komodo_gateway_deposits(CMutableTransaction *txNew,char *base,int32_t to
     return(0);
 }
 
+const char *banned_txids[] =
+{
+    "78cb4e21245c26b015b888b14c4f5096e18137d2741a6de9734d62b07014dfca", //233559
+    "00697be658e05561febdee1aafe368b821ca33fbb89b7027365e3d77b5dfede5", //234172
+    "e909465788b32047c472d73e882d79a92b0d550f90be008f76e1edaee6d742ea", //234187
+    "f56c6873748a327d0b92b8108f8ec8505a2843a541b1926022883678fb24f9dc", //234188
+    "abf08be07d8f5b3a433ddcca7ef539e79a3571632efd6d0294ec0492442a0204", //234213
+    "3b854b996cc982fba8c06e76cf507ae7eed52ab92663f4c0d7d10b3ed879c3b0", //234367
+    "fa9e474c2cda3cb4127881a40eb3f682feaba3f3328307d518589024a6032cc4", //234635
+    "ca746fa13e0113c4c0969937ea2c66de036d20274efad4ce114f6b699f1bc0f3", //234662
+    "43ce88438de4973f21b1388ffe66e68fda592da38c6ef939be10bb1b86387041", //234697
+    "0aeb748de82f209cd5ff7d3a06f65543904c4c17387c9d87c65fd44b14ad8f8c", //234899
+    "bbd3a3d9b14730991e1066bd7c626ca270acac4127131afe25f877a5a886eb25", //235252
+    "fa9943525f2e6c32cbc243294b08187e314d83a2870830180380c3c12a9fd33c", //235253
+    "a01671c8775328a41304e31a6693bbd35e9acbab28ab117f729eaba9cb769461", //235265
+    "2ef49d2d27946ad7c5d5e4ab5c089696762ff04e855f8ab48e83bdf0cc68726d", //235295
+    "c85dcffb16d5a45bd239021ad33443414d60224760f11d535ae2063e5709efee", //235296
+};
+
+void komodo_bannedset(uint256 *array,int32_t max)
+{
+    int32_t i;
+    for (i=0; i<sizeof(banned_txids)/sizeof(*banned_txids); i++)
+        array[i] = uint256S(banned_txids[i]);
+    if ( i != max )
+        printf("banned txid array error i.%d != max.%d\n",i,max);
+    else printf("set %d banned txids\n",max);
+}
+
 int32_t komodo_check_deposit(int32_t height,const CBlock& block) // verify above block is valid pax pricing
 {
-    int32_t i,j,n,ht,num,opretlen,offset=1,errs=0,matched=0,kmdheights[64],otherheights[64]; uint256 hash,txids[64]; char symbol[16],base[16]; uint16_t vouts[64]; int8_t baseids[64]; uint8_t *script,opcode,rmd160s[64*20]; uint64_t available,deposited,issued,withdrawn,approved,redeemed; int64_t values[64],srcvalues[64]; struct pax_transaction *pax; struct komodo_state *sp;
+    static uint256 array[15];
+    int32_t i,j,k,n,ht,txn_count,num,opretlen,offset=1,errs=0,matched=0,kmdheights[64],otherheights[64]; uint256 hash,txids[64]; char symbol[16],base[16]; uint16_t vouts[64]; int8_t baseids[64]; uint8_t *script,opcode,rmd160s[64*20]; uint64_t available,deposited,issued,withdrawn,approved,redeemed; int64_t values[64],srcvalues[64]; struct pax_transaction *pax; struct komodo_state *sp;
+    if ( *(int32_t *)&array[0] == 0 )
+        komodo_bannedset(array,(int32_t)(sizeof(array)/sizeof(*array)));
     memset(baseids,0xff,sizeof(baseids));
     memset(values,0,sizeof(values));
     memset(srcvalues,0,sizeof(srcvalues));
     memset(rmd160s,0,sizeof(rmd160s));
     memset(kmdheights,0,sizeof(kmdheights));
     memset(otherheights,0,sizeof(otherheights));
+    txn_count = block.vtx.size();
+    for (i=0; i<txn_count; i++)
+    {
+        n = block.vtx[i].vin.size();
+        for (j=0; j<n; j++)
+        {
+            for (k=0; k<sizeof(array)/sizeof(*array); k++)
+            {
+                if ( block.vtx[i].vin[j].prevout.hash == array[k] && block.vtx[i].vin[j].prevout.n == 1 )
+                {
+                    printf("banned tx.%d being used at ht.%d txi.%d vini.%d\n",k,height,i,j);
+                    return(-1);
+                }
+            }
+        }
+    }
     n = block.vtx[0].vout.size();
     script = (uint8_t *)block.vtx[0].vout[n-1].scriptPubKey.data();
     if ( n <= 2 || script[0] != 0x6a )
@@ -604,7 +652,7 @@ int32_t komodo_check_deposit(int32_t height,const CBlock& block) // verify above
         if ( n == 2 && block.vtx[0].vout[1].nValue != 0 )
         {
             //fprintf(stderr,">>>>>>>> <<<<<<<<<< ht.%d illegal nonz output %.8f n.%d\n",height,dstr(block.vtx[0].vout[1].nValue),n);
-            if ( height > 236000 )
+            if ( height >= 235300 )
                 return(-1);
         }
         return(0);