diff --git a/src/komodo_nSPV.h b/src/komodo_nSPV.h
index 337a61c7f..3da37e7b4 100644
--- a/src/komodo_nSPV.h
+++ b/src/komodo_nSPV.h
@@ -287,7 +287,8 @@ int32_t NSPV_rwinforesp(int32_t rwflag,uint8_t *serialized,struct NSPV_inforesp
     len += iguana_rwnum(rwflag,&serialized[len],sizeof(ptr->height),&ptr->height);
     len += iguana_rwnum(rwflag,&serialized[len],sizeof(ptr->hdrheight),&ptr->hdrheight);
     len += NSPV_rwequihdr(rwflag,&serialized[len],&ptr->H);
-//fprintf(stderr,"hdr rwlen.%d\n",len);
+    len += iguana_rwnum(rwflag,&serialized[len],sizeof(ptr->version),&ptr->version);
+//fprintf(stderr,"getinfo rwlen.%d\n",len);
     return(len);
 }
 
diff --git a/src/komodo_nSPV_defs.h b/src/komodo_nSPV_defs.h
index 164ea081a..282e58cab 100644
--- a/src/komodo_nSPV_defs.h
+++ b/src/komodo_nSPV_defs.h
@@ -17,6 +17,7 @@
 #ifndef KOMODO_NSPV_DEFSH
 #define KOMODO_NSPV_DEFSH
 
+#define NSPV_PROTOCOL_VERSION 0x00000002
 #define NSPV_POLLITERS 100
 #define NSPV_POLLMICROS 30000
 #define NSPV_MAXVINS 64
@@ -125,6 +126,7 @@ struct NSPV_inforesp
     uint256 blockhash;
     int32_t height,hdrheight;
     struct NSPV_equihdr H;
+    uint32_t version;
 };
 
 struct NSPV_txproof
diff --git a/src/komodo_nSPV_fullnode.h b/src/komodo_nSPV_fullnode.h
index bc2a6a02f..263c45d71 100644
--- a/src/komodo_nSPV_fullnode.h
+++ b/src/komodo_nSPV_fullnode.h
@@ -135,10 +135,11 @@ int32_t NSPV_getinfo(struct NSPV_inforesp *ptr,int32_t reqheight)
         ptr->notarization = pair.prevntz;
         if ( (pindex2= komodo_chainactive(ptr->notarization.txidheight)) != 0 )
             ptr->notarization.timestamp = pindex->nTime;
-        fprintf(stderr, "timestamp.%i\n", ptr->notarization.timestamp );
+        //fprintf(stderr, "timestamp.%i\n", ptr->notarization.timestamp );
         if ( reqheight == 0 )
             reqheight = ptr->height;
         ptr->hdrheight = reqheight;
+        ptr->version = NSPV_PROTOCOL_VERSION;
         if ( NSPV_setequihdr(&ptr->H,reqheight) < 0 )
             return(-1);
         return(sizeof(*ptr));
@@ -543,7 +544,7 @@ void komodo_nSPVreq(CNode *pfrom,std::vector<uint8_t> request) // received a req
                 {
                     response.resize(1 + slen);
                     response[0] = NSPV_INFORESP;
-                    //fprintf(stderr,"slen.%d\n",slen);
+                    //fprintf(stderr,"slen.%d version.%d\n",slen,I.version);
                     if ( NSPV_rwinforesp(1,&response[1],&I) == slen )
                     {
                         //fprintf(stderr,"send info resp to id %d\n",(int32_t)pfrom->id);
diff --git a/src/komodo_nSPV_superlite.h b/src/komodo_nSPV_superlite.h
index d7f11c41b..24ceeb6b8 100644
--- a/src/komodo_nSPV_superlite.h
+++ b/src/komodo_nSPV_superlite.h
@@ -139,7 +139,7 @@ void komodo_nSPVresp(CNode *pfrom,std::vector<uint8_t> response) // received a r
         switch ( response[0] )
         {
             case NSPV_INFORESP:
-                //fprintf(stderr,"got info response %u size.%d height.%d\n",timestamp,(int32_t)response.size(),NSPV_inforesult.height); // update current height and ntrz status
+                fprintf(stderr,"got version.%d info response %u size.%d height.%d\n",NSPV_inforesult.version,timestamp,(int32_t)response.size(),NSPV_inforesult.height); // update current height and ntrz status
                 I = NSPV_inforesult;
                 NSPV_inforesp_purge(&NSPV_inforesult);
                 NSPV_rwinforesp(0,&response[1],&NSPV_inforesult);
@@ -370,6 +370,7 @@ UniValue NSPV_getinfo_json(struct NSPV_inforesp *ptr)
     result.push_back(Pair("chaintip",ptr->blockhash.GetHex()));
     result.push_back(Pair("notarization",NSPV_ntz_json(&ptr->notarization)));
     result.push_back(Pair("header",NSPV_header_json(&ptr->H,ptr->hdrheight)));
+    result.push_back(Pair("protocolversion",(int64_t)ptr->version));
     result.push_back(Pair("lastpeer",NSPV_lastpeer));
     return(result);
 }