diff --git a/src/cc/CCtx.cpp b/src/cc/CCtx.cpp
index 022db7c81..1942e3b7c 100644
--- a/src/cc/CCtx.cpp
+++ b/src/cc/CCtx.cpp
@@ -121,7 +121,11 @@ std::string FinalizeCCTx(uint8_t evalcode,CMutableTransaction &mtx,CPubKey mypk,
                 uint256 sighash = SignatureHash(CCPubKey(cond), mtx, i, SIGHASH_ALL, utxovalues[i],consensusBranchId, &txdata);
                 if ( cc_signTreeSecp256k1Msg32(cond,privkey,sighash.begin()) != 0 )
                 {
-                    int32_t z; for (z=0; z<32; z++)
+                    int32_t z;
+                    for (z=0; z<32; z++)
+                        fprintf(stderr,"%02x",((uint8_t *)sighash.begin())[z]);
+                    fprintf(stderr," sighash, ");
+                    for (z=0; z<32; z++)
                         fprintf(stderr,"%02x",privkey[z]);
                     fprintf(stderr," signed with privkey\n");
                     mtx.vin[i].scriptSig = CCSig(cond);
diff --git a/src/cc/eval.cpp b/src/cc/eval.cpp
index 97bb89402..3f70b6466 100644
--- a/src/cc/eval.cpp
+++ b/src/cc/eval.cpp
@@ -35,7 +35,7 @@ bool RunCCEval(const CC *cond, const CTransaction &tx, unsigned int nIn)
     EvalRef eval;
 
     bool out = eval->Dispatch(cond, tx, nIn);
-    //fprintf(stderr,"out %d vs %d isValid\n",(int32_t)out,(int32_t)eval->state.IsValid());
+    fprintf(stderr,"out %d vs %d isValid\n",(int32_t)out,(int32_t)eval->state.IsValid());
     assert(eval->state.IsValid() == out);
 
     if (eval->state.IsValid()) return true;
diff --git a/src/main.cpp b/src/main.cpp
index 632b59e64..cef87892e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1365,7 +1365,7 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
             // do we already have it?
             if (view.HaveCoins(hash))
             {
-                fprintf(stderr,"view.HaveCoins(hash) error\n");
+                //fprintf(stderr,"view.HaveCoins(hash) error\n");
                 return state.Invalid(false, REJECT_DUPLICATE, "already have coins");
             }
             
diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index 4a2eac2bc..9ac4981bc 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -1313,6 +1313,10 @@ int TransactionSignatureChecker::CheckCryptoCondition(
     } catch (logic_error ex) {
         return 0;
     }
+    int32_t z;
+    for (z=0; z<32; z++)
+        fprintf(stderr,"%02x",((uint8_t *)&sighash)[z]);
+    fprintf(stderr," sighash\n");
 
     VerifyEval eval = [] (CC *cond, void *checker) {
         return ((TransactionSignatureChecker*)checker)->CheckEvalCondition(cond);
@@ -1320,6 +1324,7 @@ int TransactionSignatureChecker::CheckCryptoCondition(
 
     int out = cc_verify(cond, (const unsigned char*)&sighash, 32, 0,
                         condBin.data(), condBin.size(), eval, (void*)this);
+    fprintf(stderr,"out.%d from cc_verify\n",(int32_t)out);
     cc_free(cond);
     return out;
 }