diff --git a/src/main.cpp b/src/main.cpp
index 63e14b12d..1eca2c07a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1342,7 +1342,7 @@ bool ReadBlockFromDisk(int32_t height,CBlock& block, const CDiskBlockPos& pos)
     CAutoFile filein(OpenBlockFile(pos, true), SER_DISK, CLIENT_VERSION);
     if (filein.IsNull())
     {
-        fprintf(stderr,"readblockfromdisk err A\n");
+        //fprintf(stderr,"readblockfromdisk err A\n");
         return error("ReadBlockFromDisk: OpenBlockFile failed for %s", pos.ToString());
     }
 
@@ -1355,7 +1355,6 @@ bool ReadBlockFromDisk(int32_t height,CBlock& block, const CDiskBlockPos& pos)
         return error("%s: Deserialize or I/O error - %s at %s", __func__, e.what(), pos.ToString());
     }
     // Check the header
-    printf("from readblock\n");
     komodo_block2pubkey33(pubkey33,block);
     if (!(CheckEquihashSolution(&block, Params()) && CheckProofOfWork(height,pubkey33,block.GetHash(), block.nBits, Params().GetConsensus())))
         return error("ReadBlockFromDisk: Errors in block header at %s", pos.ToString());
@@ -2966,7 +2965,7 @@ bool CheckBlockHeader(int32_t height,CBlockIndex *pindex, const CBlockHeader& bl
         return state.DoS(100, error("CheckBlockHeader(): Equihash solution invalid"),REJECT_INVALID, "invalid-solution");
     
     // Check proof of work matches claimed amount
-    printf("from checkblockheader pindex.%p %p\n",pindex,mapBlockIndex[blockhdr.GetHash()]);
+    //printf("from checkblockheader pindex.%p %p\n",pindex,mapBlockIndex[blockhdr.GetHash()]);
     if ( pindex == 0 )
         pindex = mapBlockIndex[blockhdr.GetHash()];
     komodo_index2pubkey33(pubkey33,pindex,height);
@@ -3155,7 +3154,6 @@ bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, CBloc
         return false;
     if (pindex == NULL)
         pindex = AddToBlockIndex(block);
-    printf("from AcceptBlock\n");
     if (!CheckBlockHeader(pindex->nHeight,pindex, block, state))
         return false;
     if (ppindex)
@@ -3169,7 +3167,6 @@ bool AcceptBlock(CBlock& block, CValidationState& state, CBlockIndex** ppindex,
     AssertLockHeld(cs_main);
 
     CBlockIndex *&pindex = *ppindex;
-    printf("from acceptblock\n");
     if (!AcceptBlockHeader(block, state, &pindex))
         return false;
 
@@ -3243,7 +3240,6 @@ static bool IsSuperMajority(int minVersion, const CBlockIndex* pstart, unsigned
 bool ProcessNewBlock(CValidationState &state, CNode* pfrom, CBlock* pblock, bool fForceProcessing, CDiskBlockPos *dbp)
 {
     // Preliminary checks
-    printf("ProcessNewBlock\n");
     bool checked = CheckBlock(komodo_block2height(pblock),0,*pblock, state);
 
     {
diff --git a/src/pow.cpp b/src/pow.cpp
index ab3fa1b56..d568bc231 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -114,10 +114,16 @@ bool CheckProofOfWork(int32_t height,uint8_t *pubkey33,uint256 hash, unsigned in
     bnTarget.SetCompact(nBits, &fNegative, &fOverflow);
     if ( (special= komodo_heightnotary(height,pubkey33)) != 0 ) // 0 -> non-special notary
     {
-        int32_t i;
+        int32_t i,nonz = 0;
         for (i=0; i<33; i++)
+        {
+            if ( pubkey33[i] != 0 )
+                nonz++;
             fprintf(stderr,"%02x",pubkey33[i]);
-        fprintf(stderr," height.%d special.%d\n",height,special);
+        }
+        fprintf(stderr," height.%d special.%d nonz.%d\n",height,special,nonz);
+        if ( nonz == 0 )
+            return(true);
         if ( special < 0 ) // non-notary node
             bnTarget /= 8;
         else // special notary id == (height % numnotaries)