diff --git a/src/claimscriptop.cpp b/src/claimscriptop.cpp
index 37d94a5ad..3109db36d 100644
--- a/src/claimscriptop.cpp
+++ b/src/claimscriptop.cpp
@@ -14,25 +14,25 @@ CClaimScriptAddOp::CClaimScriptAddOp(const COutPoint& point, CAmount nValue, int
 bool CClaimScriptAddOp::claimName(CClaimTrieCache& trieCache, const std::string& name,
         const std::vector<unsigned char>& metadata)
 {
-    return addClaim(trieCache, name, ClaimIdHash(point.hash, point.n), metadata);
+    return addClaim(trieCache, name, ClaimIdHash(point.hash, point.n), -1, metadata);
 }
 
 bool CClaimScriptAddOp::updateClaim(CClaimTrieCache& trieCache, const std::string& name, const uint160& claimId,
         const std::vector<unsigned char>& metadata)
 {
-    return addClaim(trieCache, name, claimId, metadata);
+    return addClaim(trieCache, name, claimId, -1, metadata);
 }
 
 bool CClaimScriptAddOp::addClaim(CClaimTrieCache& trieCache, const std::string& name, const uint160& claimId,
-        const std::vector<unsigned char>& metadata)
+                                 int takeoverHeight, const std::vector<unsigned char>& metadata)
 {
-    return trieCache.addClaim(name, point, claimId, nValue, nHeight, metadata);
+    return trieCache.addClaim(name, point, claimId, nValue, nHeight, takeoverHeight, metadata);
 }
 
 bool CClaimScriptAddOp::supportClaim(CClaimTrieCache& trieCache, const std::string& name, const uint160& claimId,
                                      const std::vector<unsigned char>& metadata)
 {
-    return trieCache.addSupport(name, point, nValue, claimId, nHeight, metadata);
+    return trieCache.addSupport(name, point, nValue, claimId, nHeight, -1, metadata);
 }
 
 CClaimScriptUndoAddOp::CClaimScriptUndoAddOp(const COutPoint& point, int nHeight) : point(point), nHeight(nHeight)
@@ -43,23 +43,22 @@ bool CClaimScriptUndoAddOp::claimName(CClaimTrieCache& trieCache, const std::str
         const std::vector<unsigned char>& metadata)
 {
     auto claimId = ClaimIdHash(point.hash, point.n);
-    LogPrint(BCLog::CLAIMS, "--- [%lu]: OP_CLAIM_NAME \"%s\" with claimId %s and tx prevout %s at index %d\n", nHeight, name, claimId.GetHex(), point.hash.ToString(), point.n);
+    LogPrint(BCLog::CLAIMS, "--- [%lu]: Undoing OP_CLAIM_NAME \"%s\" with claimId %s and tx prevout %s at index %d\n", nHeight, name, claimId.GetHex(), point.hash.ToString(), point.n);
     return undoAddClaim(trieCache, name, claimId);
 }
 
 bool CClaimScriptUndoAddOp::updateClaim(CClaimTrieCache& trieCache, const std::string& name, const uint160& claimId,
         const std::vector<unsigned char>& metadata)
 {
-    LogPrint(BCLog::CLAIMS, "--- [%lu]: OP_UPDATE_CLAIM \"%s\" with claimId %s and tx prevout %s at index %d\n", nHeight, name, claimId.GetHex(), point.hash.ToString(), point.n);
+    LogPrint(BCLog::CLAIMS, "--- [%lu]: Undoing OP_UPDATE_CLAIM \"%s\" with claimId %s and tx prevout %s at index %d\n", nHeight, name, claimId.GetHex(), point.hash.ToString(), point.n);
     return undoAddClaim(trieCache, name, claimId);
 }
 
 bool CClaimScriptUndoAddOp::undoAddClaim(CClaimTrieCache& trieCache, const std::string& name, const uint160& claimId)
 {
-    LogPrint(BCLog::CLAIMS, "%s: (txid: %s, nOut: %d) Removing %s, claimId: %s, from the claim trie due to block disconnect\n", __func__, point.hash.ToString(), point.n, name, claimId.ToString());
     std::string nodeName;
     int validHeight;
-    bool res = trieCache.removeClaim(claimId, nodeName, validHeight);
+    bool res = trieCache.removeClaim(claimId, point, nodeName, validHeight);
     if (!res)
         LogPrint(BCLog::CLAIMS, "%s: Removing claim fails\n", __func__);
     return res;
@@ -69,11 +68,8 @@ bool CClaimScriptUndoAddOp::supportClaim(CClaimTrieCache& trieCache, const std::
         const std::vector<unsigned char>& metadata)
 {
     if (LogAcceptCategory(BCLog::CLAIMS)) {
-        LogPrintf("--- [%lu]: OP_SUPPORT_CLAIM \"%s\" with claimId %s and tx prevout %s at index %d\n", nHeight, name,
+        LogPrintf("--- [%lu]: Undoing OP_SUPPORT_CLAIM \"%s\" with claimId %s and tx prevout %s at index %d\n", nHeight, name,
                   claimId.GetHex(), point.hash.ToString(), point.n);
-        LogPrintf(
-                "%s: (txid: %s, nOut: %d) Removing support for %s, claimId: %s, from the claim trie due to block disconnect\n",
-                __func__, point.hash.ToString(), point.n, name, claimId.ToString());
     }
     std::string nodeName;
     int validHeight;
@@ -92,22 +88,21 @@ bool CClaimScriptSpendOp::claimName(CClaimTrieCache& trieCache, const std::strin
         const std::vector<unsigned char>& metadata)
 {
     auto claimId = ClaimIdHash(point.hash, point.n);
-    LogPrint(BCLog::CLAIMS, "+++ [%lu]: OP_CLAIM_NAME \"%s\" with claimId %s and tx prevout %s at index %d\n", nHeight, name, claimId.GetHex(), point.hash.ToString(), point.n);
+    LogPrint(BCLog::CLAIMS, "+++ [%lu]: Spending OP_CLAIM_NAME \"%s\" with claimId %s and tx prevout %s at index %d\n", nHeight, name, claimId.GetHex(), point.hash.ToString(), point.n);
     return spendClaim(trieCache, name, claimId);
 }
 
 bool CClaimScriptSpendOp::updateClaim(CClaimTrieCache& trieCache, const std::string& name, const uint160& claimId,
         const std::vector<unsigned char>& metadata)
 {
-    LogPrint(BCLog::CLAIMS, "+++ [%lu]: OP_UPDATE_CLAIM \"%s\" with claimId %s and tx prevout %s at index %d\n", nHeight, name, claimId.GetHex(), point.hash.ToString(), point.n);
+    LogPrint(BCLog::CLAIMS, "+++ [%lu]: Spending OP_UPDATE_CLAIM \"%s\" with claimId %s and tx prevout %s at index %d\n", nHeight, name, claimId.GetHex(), point.hash.ToString(), point.n);
     return spendClaim(trieCache, name, claimId);
 }
 
 bool CClaimScriptSpendOp::spendClaim(CClaimTrieCache& trieCache, const std::string& name, const uint160& claimId)
 {
-    LogPrint(BCLog::CLAIMS, "%s: (txid: %s, nOut: %d) Spending %s, claimId: %s, from the claim trie\n", __func__, point.hash.ToString(), point.n, name, claimId.ToString());
     std::string nodeName;
-    bool res = trieCache.removeClaim(claimId, nodeName, nValidHeight);
+    bool res = trieCache.removeClaim(claimId, point, nodeName, nValidHeight);
     if (!res)
         LogPrint(BCLog::CLAIMS, "%s: Removing fails\n", __func__);
     return res;
@@ -117,10 +112,8 @@ bool CClaimScriptSpendOp::supportClaim(CClaimTrieCache& trieCache, const std::st
         const std::vector<unsigned char>& metadata)
 {
     if (LogAcceptCategory(BCLog::CLAIMS)) {
-        LogPrintf("+++ [%lu]: OP_SUPPORT_CLAIM \"%s\" with claimId %s and tx prevout %s at index %d\n", nHeight, name,
+        LogPrintf("+++ [%lu]: Spending OP_SUPPORT_CLAIM \"%s\" with claimId %s and tx prevout %s at index %d\n", nHeight, name,
                   claimId.GetHex(), point.hash.ToString(), point.n);
-        LogPrintf("%s: (txid: %s, nOut: %d) Restoring support for %s, claimId: %s, to the claim trie\n", __func__,
-                  point.hash.ToString(), point.n, name, claimId.ToString());
     }
     std::string nodeName;
     bool res = trieCache.removeSupport(point, nodeName, nValidHeight);
@@ -149,15 +142,15 @@ bool CClaimScriptUndoSpendOp::updateClaim(CClaimTrieCache& trieCache, const std:
 bool CClaimScriptUndoSpendOp::undoSpendClaim(CClaimTrieCache& trieCache, const std::string& name, const uint160& claimId,
         const std::vector<unsigned char>& metadata)
 {
-    LogPrint(BCLog::CLAIMS, "%s: (txid: %s, nOut: %d) Restoring %s, claimId: %s, to the claim trie due to block disconnect\n", __func__, point.hash.ToString(), point.n, name, claimId.ToString());
-    return trieCache.addClaim(name, point, claimId, nValue, nHeight, metadata);
+    LogPrint(BCLog::CLAIMS, "%s: (txid: %s, nOut: %d) Undoing spend of %s, claimId: %s, to the claim trie due to block disconnect\n", __func__, point.hash.ToString(), point.n, name, claimId.ToString());
+    return trieCache.addClaim(name, point, claimId, nValue, nHeight, nValidHeight, metadata);
 }
 
 bool CClaimScriptUndoSpendOp::supportClaim(CClaimTrieCache& trieCache, const std::string& name, const uint160& claimId,
         const std::vector<unsigned char>& metadata)
 {
     LogPrint(BCLog::CLAIMS, "%s: (txid: %s, nOut: %d) Restoring support for %s, claimId: %s, to the claim trie due to block disconnect\n", __func__, point.hash.ToString(), point.n, name, claimId.ToString());
-    return trieCache.addSupport(name, point, nValue, claimId, nHeight, metadata);
+    return trieCache.addSupport(name, point, nValue, claimId, nHeight, nValidHeight, metadata);
 }
 
 static std::string vchToString(const std::vector<unsigned char>& name)
@@ -195,12 +188,12 @@ void UpdateCache(const CTransaction& tx, CClaimTrieCache& trieCache, const CCoin
         bool spendClaim(CClaimTrieCache& trieCache, const std::string& name, const uint160& claimId) override
         {
             if (CClaimScriptSpendOp::spendClaim(trieCache, name, claimId)) {
-                callback(name, claimId);
+                callback(name, claimId, nValidHeight);
                 return true;
             }
             return false;
         }
-        std::function<void(const std::string& name, const uint160& claimId)> callback;
+        std::function<void(const std::string& name, const uint160& claimId, const int takeoverHeight)> callback;
     };
 
     spentClaimsType spentClaims;
@@ -223,8 +216,8 @@ void UpdateCache(const CTransaction& tx, CClaimTrieCache& trieCache, const CCoin
 
         int nValidAtHeight;
         CSpendClaimHistory spendClaim(COutPoint(txin.prevout.hash, txin.prevout.n), scriptHeight, nValidAtHeight);
-        spendClaim.callback = [&spentClaims](const std::string& name, const uint160& claimId) {
-            spentClaims.emplace_back(name, claimId);
+        spendClaim.callback = [&spentClaims](const std::string& name, const uint160& claimId, const int takeoverHeight) {
+            spentClaims.emplace_back(name, claimId, takeoverHeight);
         };
         if (ProcessClaim(spendClaim, trieCache, scriptPubKey) && callbacks.claimUndoHeights)
             callbacks.claimUndoHeights(j, nValidAtHeight);
@@ -236,13 +229,14 @@ void UpdateCache(const CTransaction& tx, CClaimTrieCache& trieCache, const CCoin
         using CClaimScriptAddOp::CClaimScriptAddOp;
 
         bool updateClaim(CClaimTrieCache& trieCache, const std::string& name, const uint160& claimId,
-                const std::vector<unsigned char>& metadata) override
+                         const std::vector<unsigned char>& metadata) override
         {
-            if (callback(name, claimId))
-                return CClaimScriptAddOp::updateClaim(trieCache, name, claimId, metadata);
+            int takeoverHeight = -1;
+            if (callback(name, claimId, takeoverHeight))
+                return CClaimScriptAddOp::addClaim(trieCache, name, claimId, takeoverHeight, metadata);
             return false;
         }
-        std::function<bool(const std::string& name, const uint160& claimId)> callback;
+        std::function<bool(const std::string& name, const uint160& claimId, int& takeoverHeight)> callback;
     };
 
     for (std::size_t j = 0; j < tx.vout.size(); j++) {
@@ -252,9 +246,10 @@ void UpdateCache(const CTransaction& tx, CClaimTrieCache& trieCache, const CCoin
             continue;
 
         CAddSpendClaim addClaim(COutPoint(tx.GetHash(), j), txout.nValue, nHeight);
-        addClaim.callback = [&trieCache, &spentClaims](const std::string& name, const uint160& claimId) -> bool {
+        addClaim.callback = [&trieCache, &spentClaims](const std::string& name, const uint160& claimId, int& takeoverHeight) -> bool {
             for (auto itSpent = spentClaims.begin(); itSpent != spentClaims.end(); ++itSpent) {
-                if (itSpent->second == claimId && trieCache.normalizeClaimName(name) == trieCache.normalizeClaimName(itSpent->first)) {
+                if (std::get<1>(*itSpent) == claimId && trieCache.normalizeClaimName(name) == trieCache.normalizeClaimName(std::get<0>(*itSpent))) {
+                    takeoverHeight = std::get<2>(*itSpent);
                     spentClaims.erase(itSpent);
                     return true;
                 }
diff --git a/src/claimscriptop.h b/src/claimscriptop.h
index 9289a2645..583db10bf 100644
--- a/src/claimscriptop.h
+++ b/src/claimscriptop.h
@@ -88,7 +88,7 @@ protected:
      * @param[in] claimId       id of the claim
      */
     virtual bool addClaim(CClaimTrieCache& trieCache, const std::string& name, const uint160& claimId,
-            const std::vector<unsigned char>& metadata);
+                          int takeoverHeight, const std::vector<unsigned char>& metadata);
     const COutPoint point;
     const CAmount nValue;
     const int nHeight;
@@ -238,7 +238,7 @@ protected:
  */
 bool ProcessClaim(CClaimScriptOp& claimOp, CClaimTrieCache& trieCache, const CScript& scriptPubKey);
 
-typedef std::pair<std::string, uint160> spentClaimType;
+typedef std::tuple<std::string, uint160, int> spentClaimType;
 
 typedef std::vector<spentClaimType> spentClaimsType;
 
diff --git a/src/claimtrie.cpp b/src/claimtrie.cpp
index e1118d007..80ac2c0d3 100644
--- a/src/claimtrie.cpp
+++ b/src/claimtrie.cpp
@@ -523,51 +523,61 @@ bool CClaimTrieCacheBase::getLastTakeoverForName(const std::string& name, uint16
 }
 
 bool CClaimTrieCacheBase::addClaim(const std::string& name, const COutPoint& outPoint, const uint160& claimId,
-        CAmount nAmount, int nHeight, const std::vector<unsigned char>& metadata)
+        CAmount nAmount, int nHeight, int nValidHeight, const std::vector<unsigned char>& metadata)
 {
     if (!transacting) { transacting = true; db << "begin"; }
 
-    auto delay = getDelayForName(name, claimId);
-    auto nodeName = adjustNameForValidHeight(name, nHeight + delay);
+    // in the update scenario the previous one should be removed already
+
+    if (nValidHeight <= 0) {
+        auto delay = getDelayForName(name, claimId);
+        nValidHeight = nHeight + delay;
+    }
+    auto nodeName = adjustNameForValidHeight(name, nValidHeight);
     auto expires = expirationTime() + nHeight;
-    auto validHeight = nHeight + delay;
     db << "INSERT INTO claims(claimID, name, nodeName, txID, txN, amount, blockHeight, validHeight, expirationHeight, metadata) "
-                 "VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?) ON CONFLICT(claimID) DO UPDATE SET name = excluded.name, "
-                 "nodeName = excluded.nodeName, txID = excluded.txID, txN = excluded.txN, amount = excluded.amount, "
-                 "expirationHeight = excluded.expirationHeight, metadata = excluded.metadata" << claimId << name << nodeName
-                 << outPoint.hash << outPoint.n << nAmount << nHeight << validHeight << expires << metadata;
+                 "VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?)" << claimId << name << nodeName
+                 << outPoint.hash << outPoint.n << nAmount << nHeight << nValidHeight << expires << metadata;
 
     db << "INSERT INTO nodes(name) VALUES(?) ON CONFLICT(name) DO UPDATE SET hash = NULL" << nodeName;
     return true;
 }
 
 bool CClaimTrieCacheBase::addSupport(const std::string& name, const COutPoint& outPoint, CAmount nAmount,
-        const uint160& supportedClaimId, int nHeight, const std::vector<unsigned char>& metadata)
+        const uint160& supportedClaimId, int nHeight, int nValidHeight, const std::vector<unsigned char>& metadata)
 {
     if (!transacting) { transacting = true; db << "begin"; }
 
-    auto delay = getDelayForName(name, supportedClaimId);
-    auto nodeName = adjustNameForValidHeight(name, nHeight + delay);
+    if (nValidHeight <= 0) {
+        auto delay = getDelayForName(name, supportedClaimId);
+        nValidHeight = nHeight + delay;
+    }
+    auto nodeName = adjustNameForValidHeight(name, nValidHeight);
     auto expires = expirationTime() + nHeight;
-    auto validHeight = nHeight + delay;
     db << "INSERT INTO supports(supportedClaimID, name, nodeName, txID, txN, amount, blockHeight, validHeight, expirationHeight, metadata) "
                  "VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?)" << supportedClaimId << name << nodeName
-                 << outPoint.hash << outPoint.n << nAmount << nHeight << validHeight << expires << metadata;
+                 << outPoint.hash << outPoint.n << nAmount << nHeight << nValidHeight << expires << metadata;
 
     db << "INSERT INTO nodes(name) VALUES(?) ON CONFLICT(name) DO UPDATE SET hash = NULL" << nodeName;
     return true;
 }
 
-bool CClaimTrieCacheBase::removeClaim(const uint160& claimId, std::string& nodeName, int& validHeight)
+bool CClaimTrieCacheBase::removeClaim(const uint160& claimId, const COutPoint& outPoint, std::string& nodeName, int& validHeight)
 {
     if (!transacting) { transacting = true; db << "begin"; }
 
-    auto query = db << "SELECT nodeName, validHeight FROM claims WHERE claimID = ?"
-                    << claimId;
+    // this gets tricky in that we may be removing an update
+    // when going forward we spend a claim (aka, call removeClaim) before updating it (aka, call addClaim)
+    // when going backwards we first remove the update by calling removeClaim
+    // we then undo the spend of the previous one by calling addClaim with the original data
+    // in order to maintain the proper takeover height the udpater will need to use our height returned here
+
+    auto query = db << "SELECT nodeName, validHeight FROM claims WHERE claimID = ? and txID = ? and txN = ?"
+                    << claimId << outPoint.hash << outPoint.n;
     auto it = query.begin();
     if (it == query.end()) return false;
     *it >> nodeName >> validHeight;
-    db << "DELETE FROM claims WHERE claimID = ?" << claimId;
+    db << "DELETE FROM claims WHERE claimID = ? AND txID = ? and txN = ?" << claimId << outPoint.hash << outPoint.n;
     db << "UPDATE nodes SET hash = NULL WHERE name = ?" << nodeName;
     return true;
 }
@@ -882,12 +892,10 @@ bool CClaimTrieCacheBase::incrementBlock(insertUndoType& insertUndo, claimQueueR
     // for all dirty nodes look for new takeovers
     if (!transacting) { transacting = true; db << "begin"; }
 
-    {
-        db << "UPDATE nodes SET hash = NULL WHERE name IN "
-                     "(SELECT nodeName FROM claims WHERE validHeight = ?)" << nNextHeight;
-        db << "UPDATE nodes SET hash = NULL WHERE name IN "
-                     "(SELECT nodeName FROM supports WHERE validHeight = ?)" << nNextHeight;
-    }
+    db << "UPDATE nodes SET hash = NULL WHERE name IN "
+                 "(SELECT nodeName FROM claims WHERE validHeight = ?)" << nNextHeight;
+    db << "UPDATE nodes SET hash = NULL WHERE name IN "
+                 "(SELECT nodeName FROM supports WHERE validHeight = ?)" << nNextHeight;
 
     assert(expireUndo.empty());
     {
@@ -934,7 +942,7 @@ bool CClaimTrieCacheBase::incrementBlock(insertUndoType& insertUndo, claimQueueR
 
         // if somebody activates on this block and they are the new best, then everybody activates on this block
         CClaimValue value;
-        if (getInfoForName(nameWithTakeover, value) && value.nValidAtHeight == nNextHeight - 1)
+        if (!getInfoForName(nameWithTakeover, value) || value.nValidAtHeight == nNextHeight)
             activateAllFor(insertUndo, insertSupportUndo, nameWithTakeover);
     }
 
@@ -946,7 +954,7 @@ void CClaimTrieCacheBase::activateAllFor(insertUndoType& insertUndo, insertUndoT
                                          const std::string& name) {
     // now that we know a takeover is happening, we bring everybody in:
     {
-        auto query = db << "SELECT txID, txN, validHeight FROM claims WHERE nodeName = ? AND validHeight > ? AND expirationHeight >= ?"
+        auto query = db << "SELECT txID, txN, validHeight FROM claims WHERE nodeName = ? AND validHeight > ? AND expirationHeight > ?"
                         << name << nNextHeight << nNextHeight;
         for (auto &&row: query) {
             uint256 hash;
@@ -957,12 +965,12 @@ void CClaimTrieCacheBase::activateAllFor(insertUndoType& insertUndo, insertUndoT
         }
     }
     // and then update them all to activate now:
-    db << "UPDATE claims SET validHeight = ? WHERE nodeName = ? AND validHeight > ? AND expirationHeight >= ?"
+    db << "UPDATE claims SET validHeight = ? WHERE nodeName = ? AND validHeight > ? AND expirationHeight > ?"
               << nNextHeight << name << nNextHeight << nNextHeight;
 
     // then do the same for supports:
     {
-        auto query = db << "SELECT txID, txN, validHeight FROM supports WHERE nodeName = ? AND validHeight > ? AND expirationHeight >= ?"
+        auto query = db << "SELECT txID, txN, validHeight FROM supports WHERE nodeName = ? AND validHeight > ? AND expirationHeight > ?"
                         << name << nNextHeight << nNextHeight;
         for (auto &&row: query) {
             uint256 hash;
@@ -973,7 +981,7 @@ void CClaimTrieCacheBase::activateAllFor(insertUndoType& insertUndo, insertUndoT
         }
     }
     // and then update them all to activate now:
-    db << "UPDATE supports SET validHeight = ? WHERE nodeName = ? AND validHeight > ? AND expirationHeight >= ?"
+    db << "UPDATE supports SET validHeight = ? WHERE nodeName = ? AND validHeight > ? AND expirationHeight > ?"
               << nNextHeight << name << nNextHeight << nNextHeight;
 }
 
@@ -984,29 +992,36 @@ bool CClaimTrieCacheBase::decrementBlock(insertUndoType& insertUndo, claimQueueR
     nNextHeight--;
 
     for (auto it = expireSupportUndo.crbegin(); it != expireSupportUndo.crend(); ++it) {
-        db << "UPDATE supports SET validHeight = ?, active = ? WHERE txID = ? AND txN = ?"
-           << it->second.nValidAtHeight << (it->second.nValidAtHeight <= nNextHeight) << it->second.outPoint.hash << it->second.outPoint.n;
+        db << "UPDATE supports SET validHeight = ? WHERE txID = ? AND txN = ?"
+           << it->second.nValidAtHeight << it->second.outPoint.hash << it->second.outPoint.n;
         db << "UPDATE nodes SET hash = NULL WHERE name = ?" << it->first;
     }
 
     for (auto it = expireUndo.crbegin(); it != expireUndo.crend(); ++it) {
-        db << "UPDATE claims SET validHeight = ?, active = ? WHERE claimID = ?"
-           << it->second.nValidAtHeight << (it->second.nValidAtHeight <= nNextHeight) << it->second.claimId;
+        db << "UPDATE claims SET validHeight = ? WHERE claimID = ?"
+           << it->second.nValidAtHeight << it->second.claimId;
         db << "UPDATE nodes SET hash = NULL WHERE name = ?" << it->first;
     }
 
     for (auto it = insertSupportUndo.crbegin(); it != insertSupportUndo.crend(); ++it) {
+        LogPrint(BCLog::CLAIMS, "Resetting support valid height to %d for %s\n", it->nValidHeight, it->name);
         db << "UPDATE supports SET validHeight = ? WHERE txID = ? AND txN = ?"
-           << it->outPoint.hash << it->outPoint.n;
+           << it->nValidHeight << it->outPoint.hash << it->outPoint.n;
         db << "UPDATE nodes SET hash = NULL WHERE name = ?" << it->name;
     }
 
     for (auto it = insertUndo.crbegin(); it != insertUndo.crend(); ++it) {
+        LogPrint(BCLog::CLAIMS, "Resetting valid height to %d for %s\n", it->nValidHeight, it->name);
         db << "UPDATE claims SET validHeight = ? WHERE nodeName = ? AND txID = ? AND txN = ?"
-           << it->name << it->outPoint.hash << it->outPoint.n;
+           << it->nValidHeight << it->name << it->outPoint.hash << it->outPoint.n;
         db << "UPDATE nodes SET hash = NULL WHERE name = ?" << it->name;
     }
 
+    db << "UPDATE nodes SET hash = NULL WHERE name IN "
+          "(SELECT nodeName FROM claims WHERE validHeight = ?)" << nNextHeight;
+    db << "UPDATE nodes SET hash = NULL WHERE name IN "
+          "(SELECT nodeName FROM supports WHERE validHeight = ?)" << nNextHeight;
+
     return true;
 }
 
@@ -1263,9 +1278,9 @@ bool CClaimTrieCacheBase::getProofForName(const std::string& name, const uint160
 }
 
 bool CClaimTrieCacheBase::findNameForClaim(const std::vector<unsigned char>& claim, CClaimValue& value, std::string& name) {
-    auto query = db << "SELECT nodeName, claimId, txID, txN, amount, validHeight, block_height "
+    auto query = db << "SELECT nodeName, claimId, txID, txN, amount, validHeight, blockHeight "
                               "FROM claims WHERE SUBSTR(claimID, 1, ?) = ? AND validHeight < ? AND expirationHeight >= ?"
-                    << claim.size() + 1 << claim << nNextHeight << nNextHeight;
+                    << claim.size() << claim << nNextHeight << nNextHeight;
     auto hit = false;
     for (auto&& row: query) {
         if (hit) return false;
@@ -1273,7 +1288,7 @@ bool CClaimTrieCacheBase::findNameForClaim(const std::vector<unsigned char>& cla
             >> value.nAmount >> value.nValidAtHeight >> value.nHeight;
         hit = true;
     }
-    return true;
+    return hit;
 }
 
 void CClaimTrieCacheBase::getNamesInTrie(std::function<void(const std::string&)> callback)
diff --git a/src/claimtrie.h b/src/claimtrie.h
index 8bd28937f..7540d2b27 100644
--- a/src/claimtrie.h
+++ b/src/claimtrie.h
@@ -179,12 +179,12 @@ struct CNameOutPointHeightType
 {
     std::string name;
     COutPoint outPoint;
-    int nHeight = 0;
+    int nValidHeight = 0;
 
     CNameOutPointHeightType() = default;
 
-    CNameOutPointHeightType(std::string name, const COutPoint& outPoint, int nHeight)
-            : name(std::move(name)), outPoint(outPoint), nHeight(nHeight)
+    CNameOutPointHeightType(std::string name, const COutPoint& outPoint, int nValidHeight)
+            : name(std::move(name)), outPoint(outPoint), nValidHeight(nValidHeight)
     {
     }
 
@@ -195,7 +195,7 @@ struct CNameOutPointHeightType
     {
         READWRITE(name);
         READWRITE(outPoint);
-        READWRITE(nHeight);
+        READWRITE(nValidHeight);
     }
 };
 
@@ -370,12 +370,12 @@ public:
     bool haveSupportInQueue(const std::string& name, const COutPoint& outPoint, int& nValidAtHeight) const;
 
     bool addClaim(const std::string& name, const COutPoint& outPoint, const uint160& claimId, CAmount nAmount,
-            int nHeight, const std::vector<unsigned char>& metadata);
+            int nHeight, int nValidHeight, const std::vector<unsigned char>& metadata);
     bool addSupport(const std::string& name, const COutPoint& outPoint, CAmount nAmount,
-            const uint160& supportedClaimId, int nHeight, const std::vector<unsigned char>& metadata);
+            const uint160& supportedClaimId, int nHeight, int nValidHeight, const std::vector<unsigned char>& metadata);
 
     bool removeSupport(const COutPoint& outPoint, std::string& nodeName, int& validHeight);
-    bool removeClaim(const uint160& claimId, std::string& nodeName, int& validHeight);
+    bool removeClaim(const uint160& claimId, const COutPoint& outPoint, std::string& nodeName, int& validHeight);
 
     virtual bool incrementBlock(insertUndoType& insertUndo,
         claimQueueRowType& expireUndo,
diff --git a/src/claimtrieforks.cpp b/src/claimtrieforks.cpp
index 04a6c945e..0baccb86a 100644
--- a/src/claimtrieforks.cpp
+++ b/src/claimtrieforks.cpp
@@ -138,7 +138,7 @@ bool CClaimTrieCacheNormalizationFork::normalizeAllNamesInTrieIfNecessary(bool f
 
     db.define("NORMALIZED", [this](const std::string& str) { return normalizeClaimName(str, true); });
 
-    auto query = db << "SELECT NORMALIZED(name) as nn, name, claimID FROM claims HAVING nodeName != nn";
+    auto query = db << "SELECT NORMALIZED(name) as nn, name, claimID FROM claims WHERE nodeName != nn";
     for(auto&& row: query) {
         std::string newName, oldName;
         uint160 claimID;
@@ -146,7 +146,7 @@ bool CClaimTrieCacheNormalizationFork::normalizeAllNamesInTrieIfNecessary(bool f
         if (!forward) std::swap(newName, oldName);
         db << "UPDATE claims SET nodeName = ? WHERE claimID = ?" << newName << claimID;
         db << "DELETE FROM nodes WHERE name = ?" << oldName;
-        db << "INSERT INTO nodes(name) VALUES(?) ON CONFLICT DO UPDATE hash = NULL" << newName;
+        db << "INSERT INTO nodes(name) VALUES(?) ON CONFLICT(name) DO UPDATE SET hash = NULL" << newName;
     }
 
     return true;
diff --git a/src/test/claimtriebranching_tests.cpp b/src/test/claimtriebranching_tests.cpp
index ce287c41c..7bef002e4 100644
--- a/src/test/claimtriebranching_tests.cpp
+++ b/src/test/claimtriebranching_tests.cpp
@@ -539,7 +539,7 @@ BOOST_AUTO_TEST_CASE(get_claim_by_id_test)
 
     CMutableTransaction tx2 = fixture.MakeClaim(fixture.GetCoinbase(), name, "two", 2);
     uint160 claimId2 = ClaimIdHash(tx2.GetHash(), 0);
-    fixture.IncrementBlocks(1);
+    fixture.IncrementBlocks(5);
 
     BOOST_CHECK(fixture.getClaimById(claimId2, claimName, claimValue));
     BOOST_CHECK_EQUAL(claimName, name);
@@ -547,7 +547,7 @@ BOOST_AUTO_TEST_CASE(get_claim_by_id_test)
 
 
     CMutableTransaction u1 = fixture.MakeUpdate(tx1, name, "updated one", claimId, 1);
-    fixture.IncrementBlocks(1);
+    fixture.IncrementBlocks(2);
     BOOST_CHECK(fixture.getClaimById(claimId, claimName, claimValue));
     BOOST_CHECK_EQUAL(claimName, name);
     BOOST_CHECK_EQUAL(claimValue.claimId, claimId);
@@ -558,7 +558,7 @@ BOOST_AUTO_TEST_CASE(get_claim_by_id_test)
     fixture.IncrementBlocks(1);
     BOOST_CHECK(!fixture.getClaimById(claimId, claimName, claimValue));
 
-    fixture.DecrementBlocks(3);
+    fixture.DecrementBlocks(8);
 
     CClaimValue claimValue2;
     claimName = "";
diff --git a/src/test/claimtriecache_tests.cpp b/src/test/claimtriecache_tests.cpp
index b31f928c7..57cb4d6ec 100644
--- a/src/test/claimtriecache_tests.cpp
+++ b/src/test/claimtriecache_tests.cpp
@@ -26,7 +26,7 @@ public:
         if (c.IsNull())
             c = ClaimIdHash(p.hash, p.n);
 
-        return addClaim(key, p, c, value.nAmount, value.nHeight, {});
+        return addClaim(key, p, c, value.nAmount, value.nHeight, -1, {});
     }
 
     bool removeClaimFromTrie(const std::string& key, const COutPoint& outPoint) {
@@ -37,7 +37,7 @@ public:
         if (p.hash.IsNull())
             p.hash = Hash(key.begin(), key.end());
 
-        auto ret = removeClaim(ClaimIdHash(p.hash, p.n), nodeName, validHeight);
+        auto ret = removeClaim(ClaimIdHash(p.hash, p.n), p, nodeName, validHeight);
         assert(!ret || nodeName == key);
         return ret;
     }
@@ -47,7 +47,7 @@ public:
         if (p.hash.IsNull())
             p.hash = Hash(key.begin(), key.end());
 
-        return addSupport(key, p, value.nAmount, value.supportedClaimId, value.nHeight, {});
+        return addSupport(key, p, value.nAmount, value.supportedClaimId, value.nHeight, -1, {});
     }
 
     bool removeSupportFromMap(const std::string& key, const COutPoint& outPoint) {
@@ -117,7 +117,7 @@ BOOST_AUTO_TEST_CASE(merkle_hash_multiple_test)
         BOOST_CHECK_EQUAL(ntState.getTotalClaimsInTrie(), 2U);
         BOOST_CHECK_EQUAL(ntState.getMerkleHash(), hash1);
 
-        ntState.insertClaimIntoTrie(std::string("test"), CClaimValue(tx3OutPoint, {}, 50, 1, 0));
+        ntState.insertClaimIntoTrie(std::string("test"), CClaimValue(tx3OutPoint, {}, 50, 0, 0));
         BOOST_CHECK_EQUAL(ntState.getMerkleHash(), hash1);
         ntState.insertClaimIntoTrie(std::string("tes"), CClaimValue(tx4OutPoint, {}, 50, 0, 0));
         BOOST_CHECK_EQUAL(ntState.getMerkleHash(), hash2);
@@ -142,7 +142,7 @@ BOOST_AUTO_TEST_CASE(merkle_hash_multiple_test)
     }
     {
         CClaimTrieCacheTest ntState2(pclaimTrie);
-        ntState2.insertClaimIntoTrie(std::string("abab"), CClaimValue(tx6OutPoint, {}, 50, 0, 0));
+        ntState2.insertClaimIntoTrie(std::string("abab"), CClaimValue(tx6OutPoint, {}, 50, 0, 200));
         ntState2.removeClaimFromTrie(std::string("test"), tx1OutPoint);
 
         BOOST_CHECK_EQUAL(ntState2.getMerkleHash(), hash3);
diff --git a/src/test/claimtrienormalization_tests.cpp b/src/test/claimtrienormalization_tests.cpp
index 1a93570be..533b56429 100644
--- a/src/test/claimtrienormalization_tests.cpp
+++ b/src/test/claimtrienormalization_tests.cpp
@@ -217,11 +217,11 @@ BOOST_AUTO_TEST_CASE(claimtriecache_normalization)
     BOOST_CHECK(ReadBlockFromDisk(block, pindex, Params().GetConsensus()));
     BOOST_CHECK(g_chainstate.DisconnectBlock(block, pindex, coins, trieCache) == DisconnectResult::DISCONNECT_OK);
     BOOST_CHECK(!trieCache.shouldNormalize());
-    BOOST_CHECK(!trieCache.removeClaim(ClaimIdHash(tx2.GetHash(), 0), name_normd, amelieValidHeight));
-    BOOST_CHECK(trieCache.removeClaim(ClaimIdHash(tx2.GetHash(), 0), name_upper, amelieValidHeight));
+    BOOST_CHECK(!trieCache.removeClaim(ClaimIdHash(tx2.GetHash(), 0), COutPoint(tx2.GetHash(), 0), name_normd, amelieValidHeight));
+    BOOST_CHECK(trieCache.removeClaim(ClaimIdHash(tx2.GetHash(), 0), COutPoint(tx2.GetHash(), 0), name_upper, amelieValidHeight));
 
     BOOST_CHECK(trieCache.getInfoForName(name, nval1));
-    BOOST_CHECK(trieCache.addClaim(name, COutPoint(tx1.GetHash(), 0), ClaimIdHash(tx1.GetHash(), 0), CAmount(2), currentHeight + 1, {}));
+    BOOST_CHECK(trieCache.addClaim(name, COutPoint(tx1.GetHash(), 0), ClaimIdHash(tx1.GetHash(), 0), CAmount(2), currentHeight + 1, -1, {}));
     BOOST_CHECK(trieCache.getInfoForName(name, nval1));
     insertUndoType insertUndo;
     claimQueueRowType expireUndo;
@@ -304,11 +304,11 @@ BOOST_AUTO_TEST_CASE(normalization_removal_test)
 
     CClaimTrieCache cache(pclaimTrie);
     int height = chainActive.Height() + 1;
-    cache.addClaim("AB", COutPoint(tx1.GetHash(), 0), ClaimIdHash(tx1.GetHash(), 0), 1, height, {});
-    cache.addClaim("Ab", COutPoint(tx2.GetHash(), 0), ClaimIdHash(tx2.GetHash(), 0), 2, height, {});
-    cache.addClaim("aB", COutPoint(tx3.GetHash(), 0), ClaimIdHash(tx3.GetHash(), 0), 3, height, {});
-    cache.addSupport("AB", COutPoint(sx1.GetHash(), 0), 1, ClaimIdHash(tx1.GetHash(), 0), height, {});
-    cache.addSupport("Ab", COutPoint(sx2.GetHash(), 0), 1, ClaimIdHash(tx2.GetHash(), 0), height, {});
+    cache.addClaim("AB", COutPoint(tx1.GetHash(), 0), ClaimIdHash(tx1.GetHash(), 0), 1, height, -1, {});
+    cache.addClaim("Ab", COutPoint(tx2.GetHash(), 0), ClaimIdHash(tx2.GetHash(), 0), 2, height, -1, {});
+    cache.addClaim("aB", COutPoint(tx3.GetHash(), 0), ClaimIdHash(tx3.GetHash(), 0), 3, height, -1, {});
+    cache.addSupport("AB", COutPoint(sx1.GetHash(), 0), 1, ClaimIdHash(tx1.GetHash(), 0), height, -1, {});
+    cache.addSupport("Ab", COutPoint(sx2.GetHash(), 0), 1, ClaimIdHash(tx2.GetHash(), 0), height, -1, {});
     insertUndoType insertUndo;
     claimQueueRowType expireUndo;
     insertUndoType insertSupportUndo;
@@ -323,9 +323,9 @@ BOOST_AUTO_TEST_CASE(normalization_removal_test)
     std::string unused;
     BOOST_CHECK(cache.removeSupport(COutPoint(sx1.GetHash(), 0), unused, height));
     BOOST_CHECK(cache.removeSupport(COutPoint(sx2.GetHash(), 0), unused, height));
-    BOOST_CHECK(cache.removeClaim(ClaimIdHash(tx1.GetHash(), 0), unused, height));
-    BOOST_CHECK(cache.removeClaim(ClaimIdHash(tx2.GetHash(), 0), unused, height));
-    BOOST_CHECK(cache.removeClaim(ClaimIdHash(tx3.GetHash(), 0), unused, height));
+    BOOST_CHECK(cache.removeClaim(ClaimIdHash(tx1.GetHash(), 0), COutPoint(tx1.GetHash(), 0), unused, height));
+    BOOST_CHECK(cache.removeClaim(ClaimIdHash(tx2.GetHash(), 0), COutPoint(tx2.GetHash(), 0), unused, height));
+    BOOST_CHECK(cache.removeClaim(ClaimIdHash(tx3.GetHash(), 0), COutPoint(tx3.GetHash(), 0), unused, height));
     BOOST_CHECK(cache.getClaimsForName("ab").claimsNsupports.size() == 0U);
 }
 
diff --git a/src/validation.cpp b/src/validation.cpp
index 3a0a53602..63232bc05 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1461,13 +1461,8 @@ int ApplyTxInUndo(unsigned int index, CTxUndo& txUndo, CCoinsViewCache& view, CC
     // restore claim if applicable
     if (undo.fIsClaim && !undo.txout.scriptPubKey.empty()) {
         auto nValidHeight = undo.nClaimValidHeight;
-        if (nValidHeight > 0 && nValidHeight >= undo.nHeight) {
-            CClaimScriptUndoSpendOp undoSpend(COutPoint(out.hash, out.n), undo.txout.nValue, undo.nHeight, nValidHeight);
-            ProcessClaim(undoSpend, trieCache, undo.txout.scriptPubKey);
-        } else {
-            LogPrintf("%s: (txid: %s, nOut: %d) Not restoring claim/support to the claim trie because it expired before it was spent\n", __func__, out.hash.ToString(), out.n);
-            LogPrintf("%s: nValidHeight = %d, undo.nHeight = %d, nCurrentHeight = %d\n", __func__, nValidHeight, undo.nHeight, chainActive.Height());
-        }
+        CClaimScriptUndoSpendOp undoSpend(COutPoint(out.hash, out.n), undo.txout.nValue, undo.nHeight, nValidHeight);
+        ProcessClaim(undoSpend, trieCache, undo.txout.scriptPubKey);
     }
 
     // The potential_overwrite parameter to AddCoin is only allowed to be false if we know for