diff --git a/src/cc/eval.h b/src/cc/eval.h
index aacec3847..66e0c43f1 100644
--- a/src/cc/eval.h
+++ b/src/cc/eval.h
@@ -124,13 +124,6 @@ extern char ASSETCHAINS_SYMBOL[65];
  */
 class NotarisationData
 {
-    bool IsBack()
-    {
-        if (IsBackNotarisation == 2) {
-            return ASSETCHAINS_SYMBOL[0] != 0;
-        }
-        return (bool) IsBackNotarisation;
-    }
 public:
     int IsBackNotarisation = 0;
     uint256 blockHash;
@@ -149,16 +142,21 @@ public:
 
     template <typename Stream, typename Operation>
     inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
+
+        bool IsBack = IsBackNotarisation;
+        if (2 == IsBackNotarisation) IsBack = AutoIsBackNotarisation(s, ser_action);
+
         READWRITE(blockHash);
         READWRITE(height);
-        if (IsBack())
+        if (IsBack)
             READWRITE(txHash);
         SerSymbol(s, ser_action);
+        if (s.size() == 0) return;
         READWRITE(MoM);
         READWRITE(MoMDepth);
         if (s.size() == 0) return;
         READWRITE(ccId);
-        if (IsBack()) {
+        if (IsBack) {
             READWRITE(MoMoM);
             READWRITE(MoMoMDepth);
         }
@@ -178,6 +176,20 @@ public:
             throw std::ios_base::failure("couldn't parse symbol");
         s.read(symbol, nullPos-&s[0]+1);
     }
+
+    template <typename Stream>
+    bool AutoIsBackNotarisation(Stream& s, CSerActionUnserialize act)
+    {
+        if (ASSETCHAINS_SYMBOL[0]) return 1;
+        if (s.size() >= 72 && strcmp("BTC", &s[68]) == 0) return 1;
+        return 0;
+    }
+    
+    template <typename Stream>
+    bool AutoIsBackNotarisation(Stream& s, CSerActionSerialize act)
+    {
+        return !txHash.IsNull();
+    }
 };
 
 
diff --git a/src/rpccrosschain.cpp b/src/rpccrosschain.cpp
index b2414a651..3aed3a2bb 100644
--- a/src/rpccrosschain.cpp
+++ b/src/rpccrosschain.cpp
@@ -50,29 +50,10 @@ UniValue assetchainproof(const UniValue& params, bool fHelp)
 
 UniValue crosschainproof(const UniValue& params, bool fHelp)
 {
-
     
 }
 
 
-UniValue getproofroot(const UniValue& params, bool fHelp)
-{
-    std::string symbol;
-    int kmdHeight;
-
-    // parse params and get notarisation data for tx
-    if ( fHelp || params.size() != 2)
-        throw runtime_error("getproofroot needs a symbol and a kmdHeight");
-    symbol = params[0].get_str();
-    kmdHeight = atoi(params[0].get_str().c_str());
-    if (kmdHeight <= 0)
-        throw runtime_error("Invalid kmdHeight");
-
-    UniValue ret(UniValue::VOBJ);
-    return ret;
-}
-
-
 UniValue height_MoM(const UniValue& params, bool fHelp)
 {
     int32_t height,depth,notarized_height,MoMoMdepth,MoMoMoffset,kmdstarti,kmdendi; uint256 MoM,MoMoM,kmdtxid; uint32_t timestamp = 0; UniValue ret(UniValue::VOBJ); UniValue a(UniValue::VARR);
@@ -120,10 +101,10 @@ UniValue MoMoMdata(const UniValue& params, bool fHelp)
     UniValue ret(UniValue::VOBJ);
     char* symbol = (char *)params[0].get_str().c_str();
     int kmdheight = atoi(params[1].get_str().c_str());
-    int ccid = atoi(params[2].get_str().c_str());
+    uint32_t ccid = atoi(params[2].get_str().c_str());
     ret.push_back(Pair("coin",symbol));
     ret.push_back(Pair("kmdheight",kmdheight));
-    ret.push_back(Pair("ccid", ccid));
+    ret.push_back(Pair("ccid", (int) ccid));
 
     uint256 destNotarisationTxid;
     std::vector<uint256> moms;
@@ -134,7 +115,7 @@ UniValue MoMoMdata(const UniValue& params, bool fHelp)
     ret.push_back(Pair("MoMs", valMoms));
     ret.push_back(Pair("notarization_hash", destNotarisationTxid.GetHex()));
     ret.push_back(Pair("MoMoM", MoMoM.GetHex()));
-    auto vmomomdata = E_MARSHAL(ss << MoMoM; ss << ((uint32_t)0));
+    auto vmomomdata = E_MARSHAL(ss << ccid; ss << MoMoM; ss << ((uint32_t)0));
     ret.push_back(Pair("data", HexStr(vmomomdata)));
     return ret;
 }