diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index 4295d4ddc..e33930624 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -952,7 +952,7 @@ bool EvalScript(
 
                     if (stack.size() < 2)
                         return set_error(serror, SCRIPT_ERR_INVALID_STACK_OPERATION);
-
+fprintf(stderr,"check cryptocondition\n");
                     int fResult = checker.CheckCryptoCondition(stacktop(-1), stacktop(-2), script, consensusBranchId);
                     if (fResult == -1) {
                         return set_error(serror, SCRIPT_ERR_CRYPTOCONDITION_INVALID_FULFILLMENT);
@@ -1313,14 +1313,14 @@ int TransactionSignatureChecker::CheckCryptoCondition(
     } catch (logic_error ex) {
         return 0;
     }
-    //int32_t z; uint8_t *ptr;
-    //ptr = (uint8_t *)scriptCode.data();
-    //for (z=0; z<scriptCode.size(); z++)
-    //    fprintf(stderr,"%02x",ptr[z]);
-    //fprintf(stderr," <- CScript\n");
-    //for (z=0; z<32; z++)
-    //    fprintf(stderr,"%02x",((uint8_t *)&sighash)[z]);
-    //fprintf(stderr," sighash nIn.%d nHashType.%d %.8f id.%d\n",(int32_t)nIn,(int32_t)nHashType,(double)amount/COIN,(int32_t)consensusBranchId);
+    int32_t z; uint8_t *ptr;
+    ptr = (uint8_t *)scriptCode.data();
+    for (z=0; z<scriptCode.size(); z++)
+        fprintf(stderr,"%02x",ptr[z]);
+    fprintf(stderr," <- CScript\n");
+    for (z=0; z<32; z++)
+        fprintf(stderr,"%02x",((uint8_t *)&sighash)[z]);
+    fprintf(stderr," sighash nIn.%d nHashType.%d %.8f id.%d\n",(int32_t)nIn,(int32_t)nHashType,(double)amount/COIN,(int32_t)consensusBranchId);
 
     VerifyEval eval = [] (CC *cond, void *checker) {
         return ((TransactionSignatureChecker*)checker)->CheckEvalCondition(cond);
@@ -1328,7 +1328,7 @@ 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);
+    fprintf(stderr,"out.%d from cc_verify\n",(int32_t)out);
     cc_free(cond);
     return out;
 }