diff --git a/src/chain.h b/src/chain.h
index 1d8f2a462..bb0b2897f 100644
--- a/src/chain.h
+++ b/src/chain.h
@@ -266,7 +266,7 @@ public:
     int64_t nPayments;
 
     //! (memory only) Number of shielded transactions (of any kind) in the block up to and including this block.
-    //! A shielded transaction is defined as a transaction that contains at least 1 JoinSplit, which includes
+    //! A shielded transaction is defined as a transaction that contains at least 1 ShieldedInput or ShieldedOutput
     //! shielding/de-shielding and other complex transaction possibilties including multiple taddrs/zaddrs as
     //! inputs and outputs.
     int64_t nShieldedTx;
@@ -278,7 +278,7 @@ public:
     int64_t nShieldedSpends;
 
     //! (memory only) Number of fully shielded transactions. A fully shielded transaction is defined
-    //! as a transaction containing JoinSplits and only shielded inputs and outputs, i.e. no transparent
+    //! as a transaction containing only shielded inputs and outputs, i.e. no transparent
     // inputs or outputs: z->z or z->(z,z) or z->(z,z,z,) etc...
     int64_t nFullyShieldedTx;
 
@@ -295,7 +295,7 @@ public:
     int64_t nFullyShieldedPayments;
 
     //! (memory only) Number of deshielding transactions. A deshielding transaction is defined
-    //! as a transaction containing JoinSplits and at least one transparent output.
+    //! as a transaction containing ShieldedInputs and at least one transparent output.
     int64_t nDeshieldingTx;
 
     //! (memory only) Number of deshielding payments. A deshielding payment is defined
@@ -303,7 +303,7 @@ public:
     int64_t nDeshieldingPayments;
 
     //! (memory only) Number of shielding transactions. A shielding transaction is defined
-    //! as a transaction containing JoinSplits and at least one transparent input
+    //! as a transaction containing ShieldedOutputs and at least one transparent input
     // i.e. t->z or t->(z,t) or z->(z,z,t)
     int64_t nShieldingTx;
 
@@ -322,7 +322,7 @@ public:
     int64_t nChainPayments;
 
     //! (memory only) Number of shielded transactions (of any kind) in the chain up to and including this block.
-    //! A shielded transaction is defined as a transaction that contains at least 1 JoinSplit, which includes
+    //! A shielded transaction is defined as a transaction that contains at least 1 ShieldedInput or ShieldedOutput
     //! shielding/de-shielding and other complex transaction possibilties including multiple taddrs/zaddrs as
     //! inputs and outputs.
     int64_t nChainShieldedTx;
@@ -334,7 +334,7 @@ public:
     int64_t nChainShieldedSpends;
 
     //! (memory only) Number of fully shielded transactions. A fully shielded transaction is defined
-    //! as a transaction containing JoinSplits and only shielded inputs and outputs, i.e. no transparent
+    //! as a transaction containing and only shielded inputs and outputs, i.e. no transparent
     // inputs or outputs: z->z or z->(z,z) or z->(z,z,z,) etc...
     int64_t nChainFullyShieldedTx;
 
@@ -351,7 +351,7 @@ public:
     int64_t nChainFullyShieldedPayments;
 
     //! (memory only) Number of deshielding transactions. A deshielding transaction is defined
-    //! as a transaction containing JoinSplits and at least one transparent output.
+    //! as a transaction containing ShieldedInputs and at least one transparent output.
     int64_t nChainDeshieldingTx;
 
     //! (memory only) Number of deshielding payments. A deshielding payment is defined
@@ -359,7 +359,7 @@ public:
     int64_t nChainDeshieldingPayments;
 
     //! (memory only) Number of shielding transactions. A shielding transaction is defined
-    //! as a transaction containing JoinSplits and at least one transparent input
+    //! as a transaction containing ShieldedOutputs and at least one transparent input
     // i.e. t->z or t->(z,t) or z->(z,z,t)
     int64_t nChainShieldingTx;
 
diff --git a/src/main.cpp b/src/main.cpp
index 2d352d12d..94b41fe5a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -76,6 +76,7 @@ using namespace std;
 CCriticalSection cs_main;
 extern uint8_t NOTARY_PUBKEY33[33];
 extern int32_t HUSH_LOADINGBLOCKS,HUSH_LONGESTCHAIN,HUSH_INSYNC,HUSH_CONNECTING,HUSH_EXTRASATOSHI;
+extern CZindexStats zstats;
 int32_t HUSH_NEWBLOCKS;
 int32_t hush_block2pubkey33(uint8_t *pubkey33,CBlock *block);
 bool Getscriptaddress(char *destaddr,const CScript &scriptPubKey);
@@ -572,6 +573,102 @@ namespace {
 
 } // anon namespace
 
+// CZindexDB
+CZindexDB::CZindexDB()
+{
+    pathAddr = GetDataDir() / "zindex.dat";
+}
+
+bool CZindexDB::Read(CZindexStats& zstats)
+{
+    // open input file, and associate with CAutoFile
+    FILE *file = fopen(pathAddr.string().c_str(), "rb");
+    CAutoFile filein(file, SER_DISK, CLIENT_VERSION);
+    if (filein.IsNull())
+        return error("%s: Failed to open file %s", __func__, pathAddr.string());
+
+    // use file size to size memory buffer
+    int fileSize = boost::filesystem::file_size(pathAddr);
+    int dataSize = fileSize - sizeof(uint256);
+    // Don't try to resize to a negative number if file is small
+    if (dataSize < 0)
+        dataSize = 0;
+    vector<unsigned char> vchData;
+    vchData.resize(dataSize);
+    uint256 hashIn;
+
+    // read data and checksum from file
+    try {
+        filein.read((char *)&vchData[0], dataSize);
+        filein >> hashIn;
+    }
+    catch (const std::exception& e) {
+        return error("%s: Deserialize or I/O error - %s", __func__, e.what());
+    }
+    filein.fclose();
+
+    CDataStream ssZstats(vchData, SER_DISK, CLIENT_VERSION);
+
+    // verify stored checksum matches input data
+    uint256 hashTmp = Hash(ssZstats.begin(), ssZstats.end());
+    if (hashIn != hashTmp)
+        return error("%s: zstats Checksum mismatch, data corrupted", __func__);
+
+    unsigned char pchMsgTmp[4];
+    try {
+        // de-serialize file header (network specific magic number) and ..
+        ssZstats >> FLATDATA(pchMsgTmp);
+
+        // ... verify the network matches ours
+        if (memcmp(pchMsgTmp, Params().MessageStart(), sizeof(pchMsgTmp)))
+            return error("%s: Invalid network magic number", __func__);
+
+        // de-serialize data into one CZindexStats object
+        ssZstats >> zstats;
+    } catch (const std::exception& e) {
+        return error("%s: Deserialize or I/O error - %s", __func__, e.what());
+    }
+
+    return true;
+}
+
+bool CZindexDB::Write(const CZindexStats& zstats)
+{
+    // Generate random temporary filename
+    unsigned short randv = 0;
+    GetRandBytes((unsigned char*)&randv, sizeof(randv));
+    std::string tmpfn = strprintf("zindex.dat.%04x", randv);
+
+    // serialize zstats, checksum data up to that point, then append checksum
+    CDataStream ssZstats(SER_DISK, CLIENT_VERSION);
+    ssZstats << FLATDATA(Params().MessageStart());
+    ssZstats << zstats;
+    uint256 hash = Hash(ssZstats.begin(), ssZstats.end());
+    ssZstats << hash;
+
+    // open temp output file, and associate with CAutoFile
+    boost::filesystem::path pathTmp = GetDataDir() / tmpfn;
+    FILE *file = fopen(pathTmp.string().c_str(), "wb");
+    CAutoFile fileout(file, SER_DISK, CLIENT_VERSION);
+    if (fileout.IsNull())
+        return error("%s: Failed to open file %s", __func__, pathTmp.string());
+
+    // Write and commit header, data
+    try {
+        fileout << ssZstats;
+    } catch (const std::exception& e) {
+        return error("%s: Serialize or I/O error - %s", __func__, e.what());
+    }
+    FileCommit(fileout.Get());
+    fileout.fclose();
+
+    // replace existing zindex.dat, if any, with new zindex.dat.XXXX
+    if (!RenameOver(pathTmp, pathAddr))
+        return error("%s: Rename-into-place failed", __func__);
+
+    return true;
+}
+
 bool GetNodeStateStats(NodeId nodeid, CNodeStateStats &stats) {
     LOCK(cs_main);
     CNodeState *state = State(nodeid);
@@ -4553,6 +4650,39 @@ bool ReceivedBlockTransactions(const CBlock &block, CValidationState& state, CBl
                 if (fZdebug) {
                     //fprintf(stderr,"%s: setting blockchain zstats with zspends=%d, zouts=%d\n", __FUNCTION__, nShieldedSpendsInBlock, nShieldedOutputsInBlock );
                 }
+                if (pindex->pprev) {
+                    // If chain stats are zero (such as after restart), load data from zindex.dat
+                    if (pindex->pprev->nChainNotarizations == 0)
+                        pindex->pprev->nChainNotarizations = zstats.nChainNotarizations;
+                    if (pindex->pprev->nChainShieldedTx == 0)
+                        pindex->pprev->nChainShieldedTx = zstats.nChainShieldedTx;
+                    if (pindex->pprev->nChainShieldedOutputs == 0)
+                        pindex->pprev->nChainShieldedOutputs = zstats.nChainShieldedOutputs;
+                    if (pindex->pprev->nChainShieldedSpends == 0) {
+                        pindex->pprev->nChainShieldedSpends = zstats.nChainShieldedSpends;
+                        // TODO: if zstats.nHeight != chainActive.Height() the stats will be off
+                        fprintf(stderr, "%s: loaded anonymity set of %li at stats height=%li vs local height=%d from disk\n", __func__, zstats.nChainShieldedOutputs - zstats.nChainShieldedSpends, zstats.nHeight, chainActive.Height() );
+                    }
+                    if (pindex->pprev->nChainFullyShieldedTx == 0)
+                        pindex->pprev->nChainFullyShieldedTx = zstats.nChainFullyShieldedTx;
+                    if (pindex->pprev->nChainShieldingTx == 0)
+                        pindex->pprev->nChainShieldingTx = zstats.nChainShieldingTx;
+                    if (pindex->pprev->nChainDeshieldingTx == 0)
+                        pindex->pprev->nChainDeshieldingTx = zstats.nChainDeshieldingTx;
+                    if (pindex->pprev->nChainPayments == 0) {
+                        fprintf(stderr, "%s: setting nChainPayments=%li at height %d\n", __func__, zstats.nChainPayments, chainActive.Height() );
+                        pindex->pprev->nChainPayments = zstats.nChainPayments;
+                    }
+                    if (pindex->pprev->nChainShieldedPayments == 0)
+                        pindex->pprev->nChainShieldedPayments = zstats.nChainShieldedPayments;
+                    if (pindex->pprev->nChainFullyShieldedPayments == 0)
+                        pindex->pprev->nChainFullyShieldedPayments = zstats.nChainFullyShieldedPayments;
+                    if (pindex->pprev->nChainShieldingPayments == 0)
+                        pindex->pprev->nChainShieldingPayments = zstats.nChainShieldingPayments;
+                    if (pindex->pprev->nChainDeshieldingPayments == 0)
+                        pindex->pprev->nChainDeshieldingPayments = zstats.nChainDeshieldingPayments;
+                }
+
                 pindex->nChainNotarizations         = (pindex->pprev ? pindex->pprev->nChainNotarizations         : 0) + pindex->nNotarizations;
                 pindex->nChainShieldedTx            = (pindex->pprev ? pindex->pprev->nChainShieldedTx            : 0) + pindex->nShieldedTx;
                 pindex->nChainShieldedOutputs       = (pindex->pprev ? pindex->pprev->nChainShieldedOutputs       : 0) + pindex->nShieldedOutputs;
@@ -4565,6 +4695,23 @@ bool ReceivedBlockTransactions(const CBlock &block, CValidationState& state, CBl
                 pindex->nChainFullyShieldedPayments = (pindex->pprev ? pindex->pprev->nChainFullyShieldedPayments : 0) + pindex->nFullyShieldedPayments;
                 pindex->nChainShieldingPayments     = (pindex->pprev ? pindex->pprev->nChainShieldingPayments     : 0) + pindex->nShieldingPayments;
                 pindex->nChainDeshieldingPayments   = (pindex->pprev ? pindex->pprev->nChainDeshieldingPayments   : 0) + pindex->nDeshieldingPayments;
+
+                // Update in-memory structure that gets serialized to zindex.dat
+                zstats.nHeight                     = pindex->GetHeight();
+                zstats.nChainNotarizations         = pindex->nChainNotarizations         ;
+                zstats.nChainShieldedTx            = pindex->nChainShieldedTx            ;
+                zstats.nChainShieldedOutputs       = pindex->nChainShieldedOutputs       ;
+                zstats.nChainShieldedSpends        = pindex->nChainShieldedSpends        ;
+                zstats.nChainFullyShieldedTx       = pindex->nChainFullyShieldedTx       ;
+                zstats.nChainShieldingTx           = pindex->nChainShieldingTx           ;
+                zstats.nChainDeshieldingTx         = pindex->nChainDeshieldingTx         ;
+                zstats.nChainPayments              = pindex->nChainPayments              ;
+                zstats.nChainShieldedPayments      = pindex->nChainShieldedPayments      ;
+                zstats.nChainFullyShieldedPayments = pindex->nChainFullyShieldedPayments ;
+                zstats.nChainShieldingPayments     = pindex->nChainShieldingPayments     ;
+                zstats.nChainDeshieldingPayments   = pindex->nChainDeshieldingPayments   ;
+                fprintf(stderr,"%s: setting zstats with height,zouts,zspends,anonset=%li,%li,%li,%li\n", __FUNCTION__, zstats.nHeight, zstats.nChainShieldedOutputs, zstats.nChainShieldedSpends, zstats.nChainShieldedOutputs - zstats.nChainShieldedSpends);
+
             }
 
             if (pindex->pprev) {
@@ -4603,6 +4750,7 @@ bool ReceivedBlockTransactions(const CBlock &block, CValidationState& state, CBl
         }
     }
 
+
     if (fZindex)
         fprintf(stderr, "ht.%d, ShieldedPayments=%d, ShieldedTx=%d, ShieldedOutputs=%d, FullyShieldedTx=%d, ntz=%d\n",
         pindexNew->GetHeight(), nShieldedPayments, nShieldedTx, nShieldedOutputs, nFullyShieldedTx, nNotarizations );
diff --git a/src/main.h b/src/main.h
index 078e48cef..676a069cd 100644
--- a/src/main.h
+++ b/src/main.h
@@ -950,4 +950,114 @@ std::pair<std::map<CBlockIndex*, std::list<CTransaction>>, uint64_t> DrainRecent
 void SetChainNotifiedSequence(uint64_t recentlyConflictedSequence);
 bool ChainIsFullyNotified();
 
+class CZindexStats
+{
+//private:
+public:
+    int64_t nHeight;
+    int64_t nChainTx;
+    int64_t nChainNotarizations;
+    int64_t nChainPayments;
+    int64_t nChainShieldedTx;
+    int64_t nChainShieldedOutputs;
+    int64_t nChainShieldedSpends;
+    int64_t nChainFullyShieldedTx;
+    int64_t nChainShieldingPayments;
+    int64_t nChainShieldedPayments;
+    int64_t nChainFullyShieldedPayments;
+    int64_t nChainDeshieldingTx;
+    int64_t nChainDeshieldingPayments;
+    int64_t nChainShieldingTx;
+
+    size_t Height() const
+    {
+        return nHeight;
+    }
+
+    void Clear()
+    {
+        LOCK(cs_main);
+        nChainTx=0;
+        nChainNotarizations=0;
+        nChainPayments=0;
+        nChainShieldedTx=0;
+        nChainShieldedOutputs=0;
+        nChainShieldedSpends=0;
+        nChainFullyShieldedTx=0;
+        nChainShieldingPayments=0;
+        nChainShieldedPayments=0;
+        nChainFullyShieldedPayments=0;
+        nChainDeshieldingTx=0;
+        nChainDeshieldingPayments=0;
+        nChainShieldingTx=0;
+    }
+
+    CZindexStats()
+    {
+        Clear();
+    }
+
+    ~CZindexStats()
+    {
+    }
+
+    template<typename Stream> void Serialize(Stream &s) const
+    {
+        LOCK(cs_main);
+
+        // So we can detect a new version and force a rescan
+        unsigned char nVersion = 1;
+        s << nVersion;
+        s << nHeight;
+        s << nChainTx;
+        s << nChainNotarizations;
+        s << nChainPayments;
+        s << nChainShieldedTx;
+        s << nChainShieldedOutputs;
+        s << nChainShieldedSpends;
+        s << nChainFullyShieldedTx;
+        s << nChainShieldingPayments;
+        s << nChainShieldedPayments;
+        s << nChainFullyShieldedPayments;
+        s << nChainDeshieldingTx;
+        s << nChainDeshieldingPayments;
+        s << nChainShieldingTx;
+    }
+
+    template<typename Stream> void Unserialize(Stream& s)
+    {
+        LOCK(cs_main);
+
+        Clear();
+        unsigned char nVersion;
+        s >> nVersion;
+        s >> nHeight;
+        s >> nChainTx;
+        s >> nChainNotarizations;
+        s >> nChainPayments;
+        s >> nChainShieldedTx;
+        s >> nChainShieldedOutputs;
+        s >> nChainShieldedSpends;
+        s >> nChainFullyShieldedTx;
+        s >> nChainShieldingPayments;
+        s >> nChainShieldedPayments;
+        s >> nChainFullyShieldedPayments;
+        s >> nChainDeshieldingTx;
+        s >> nChainDeshieldingPayments;
+        s >> nChainShieldingTx;
+    }
+};
+
+// Wrapper for zindex.dat stats
+class CZindexDB
+{
+private:
+    boost::filesystem::path pathAddr;
+public:
+    CZindexDB();
+    bool Write(const CZindexStats& zstats);
+    bool Read(CZindexStats& zstats);
+};
+
+
 #endif // HUSH_MAIN_H
diff --git a/src/net.cpp b/src/net.cpp
index 808df788c..218f766d3 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -48,6 +48,9 @@ using namespace hush;
 // Satoshi originally used 10 seconds(!), did they know something Peter Wuille didn't?
 #define DUMP_ADDRESSES_INTERVAL 300
 
+// This is every 2 blocks, on avg, on HUSH3
+#define DUMP_ZINDEX_INTERVAL 150
+
 #if !defined(HAVE_MSG_NOSIGNAL) && !defined(MSG_NOSIGNAL)
 #define MSG_NOSIGNAL 0
 #endif
@@ -92,7 +95,6 @@ namespace {
 // Global state variables
 extern uint16_t ASSETCHAINS_P2PPORT;
 extern char SMART_CHAIN_SYMBOL[65];
-
 bool fDiscover = true;
 bool fListen = true;
 uint64_t nLocalServices = NODE_NETWORK | NODE_NSPV;
@@ -103,6 +105,7 @@ static CNode* pnodeLocalHost = NULL;
 uint64_t nLocalHostNonce = 0;
 static std::vector<ListenSocket> vhListenSocket;
 CAddrMan addrman;
+CZindexStats zstats;
 int nMaxConnections = DEFAULT_MAX_PEER_CONNECTIONS;
 bool fAddressesInitialized = false;
 std::string strSubVersion;
@@ -1400,6 +1403,16 @@ void DumpAddresses()
     LogPrint("net", "Flushed %d addresses to peers.dat  %dms\n", addrman.size(), GetTimeMillis() - nStart);
 }
 
+void DumpZindexStats()
+{
+    int64_t nStart = GetTimeMillis();
+
+    CZindexDB zdb;
+    zdb.Write(zstats);
+
+    LogPrintf("Flushed stats at height %li to zindex.dat  %dms\n", zstats.Height(), GetTimeMillis() - nStart);
+}
+
 void static ProcessOneShot()
 {
     string strDest;
@@ -1909,8 +1922,37 @@ void static Discover(boost::thread_group& threadGroup)
 #endif
 }
 
+//extern CWallet pwalletMain;
 void StartNode(boost::thread_group& threadGroup, CScheduler& scheduler)
 {
+    if (fZindex) {
+        uiInterface.InitMessage(_("Loading zindex stats..."));
+        int64_t nStart = GetTimeMillis();
+        {
+            CZindexDB zdb;
+            if (!zdb.Read(zstats)) {
+                // The first time nodes use zindex.dat code, no file will be found
+                // TODO: rescan if invalid only
+                LogPrintf("Invalid or missing zindex.dat! Generating new...\n");
+
+                //bool update = true;
+                //pwalletMain->ScanForWalletTransactions(chainActive.Genesis(),update);
+
+                // We assume this is the first startup with zindex.dat code, and serialize current data to disk.
+                DumpZindexStats();
+
+                // Now read-in the stats we just wrote to disk to memory
+                if(!zdb.Read(zstats)) {
+                    LogPrintf("Invalid or missing zindex.dat! Stats may be corrupt\n");
+                } else {
+                    LogPrintf("Loaded stats at height %li from zindex.dat  %dms\n", zstats.Height(), GetTimeMillis() - nStart);
+                }
+            } else {
+                LogPrintf("Loaded stats at height %li from zindex.dat  %dms\n", zstats.Height(), GetTimeMillis() - nStart);
+            }
+        }
+    }
+
     uiInterface.InitMessage(_("Loading addresses..."));
     // Load addresses for peers.dat
     int64_t nStart = GetTimeMillis();
@@ -1919,8 +1961,7 @@ void StartNode(boost::thread_group& threadGroup, CScheduler& scheduler)
         if (!adb.Read(addrman))
             LogPrintf("Invalid or missing peers.dat! This can happen when upgrading. Whatevz, recreating\n");
     }
-    LogPrintf("Loaded %i addresses from peers.dat  %dms\n",
-           addrman.size(), GetTimeMillis() - nStart);
+    LogPrintf("Loaded %i addresses from peers.dat  %dms\n", addrman.size(), GetTimeMillis() - nStart);
     fAddressesInitialized = true;
 
     if (semOutbound == NULL) {
@@ -1968,6 +2009,11 @@ void StartNode(boost::thread_group& threadGroup, CScheduler& scheduler)
 
     // Dump network addresses
     scheduler.scheduleEvery(&DumpAddresses, DUMP_ADDRESSES_INTERVAL);
+
+    // Dump zindex stats if -zindex is enabled
+    if (fZindex) {
+        scheduler.scheduleEvery(&DumpZindexStats, DUMP_ZINDEX_INTERVAL);
+    }
 }
 
 bool StopNode()
@@ -1977,6 +2023,9 @@ bool StopNode()
         for (int i=0; i<(MAX_OUTBOUND_CONNECTIONS + MAX_FEELER_CONNECTIONS); i++)
             semOutbound->post();
 
+    // persist current zindex stats to disk before we exit
+    DumpZindexStats();
+
     if (HUSH_NSPV_FULLNODE && fAddressesInitialized)
     {
         DumpAddresses();
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 7c38ef1eb..609f26420 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -1660,10 +1660,12 @@ UniValue getchaintxstats(const UniValue& params, bool fHelp, const CPubKey& mypk
             throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid block count: should be between 0 and the block's height - 1");
         }
     }
+    LogPrintf("%s: blockcount = %d\n", __func__, blockcount);
 
     const CBlockIndex* pindexPast = pindex->GetAncestor(pindex->GetHeight() - blockcount);
     int nTimeDiff                 = pindex->GetMedianTimePast() - pindexPast->GetMedianTimePast();
     int nTxDiff                   = pindex->nChainTx - pindexPast->nChainTx;
+    LogPrintf("%s: pindexPast.height = %d, pindex.height = %d\n", __func__, pindexPast->GetHeight(), pindex->GetHeight() );
 
     UniValue ret(UniValue::VOBJ);
     ret.pushKV("time", (int64_t)pindex->nTime);
@@ -1695,6 +1697,7 @@ UniValue getchaintxstats(const UniValue& params, bool fHelp, const CPubKey& mypk
         ret.pushKV("window_tx_count", nTxDiff);
         ret.pushKV("window_interval", nTimeDiff);
         int64_t nPaymentsDiff              = pindex->nChainPayments - pindexPast->nChainPayments;
+        LogPrintf("%s: pindexPast.nChainPayments = %d, pindex.nChainPayments = %d\n", __func__, pindexPast->nChainPayments, pindex->nChainPayments );
         int64_t nShieldedTxDiff            = pindex->nChainShieldedTx - pindexPast->nChainShieldedTx;
         int64_t nShieldingTxDiff           = pindex->nChainShieldingTx - pindexPast->nChainShieldingTx;
         int64_t nDeshieldingTxDiff         = pindex->nChainDeshieldingTx - pindexPast->nChainDeshieldingTx;