diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 7b8a5a7c3..582c7b6f9 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -358,6 +358,7 @@ public:
         // in #2795.
         nSproutValuePoolCheckpointHeight = 440329;
         nSproutValuePoolCheckpointBalance = 40000029096803;
+        fSproutValuePoolCheckpointEnabled = true;
 
         // Founders reward script expects a vector of 2-of-3 multisig addresses
         vFoundersRewardAddress = {
@@ -472,6 +473,10 @@ public:
         // Founders reward script expects a vector of 2-of-3 multisig addresses
         vFoundersRewardAddress = { "t2FwcEhFdNXuFMv1tcYwaBJtYVtMj8b1uTg" };
         assert(vFoundersRewardAddress.size() <= consensus.GetLastFoundersRewardBlockHeight());
+
+        // Enable Sprout shielded value pool checkpointing on
+        // regtest.
+        fSproutValuePoolCheckpointEnabled = true;
     }
 
     void UpdateNetworkUpgradeParameters(Consensus::UpgradeIndex idx, int nActivationHeight)
diff --git a/src/chainparams.h b/src/chainparams.h
index 90a0712ae..c9c1284d3 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -72,6 +72,7 @@ public:
 
     CAmount SproutValuePoolCheckpointHeight() const { return nSproutValuePoolCheckpointHeight; }
     CAmount SproutValuePoolCheckpointBalance() const { return nSproutValuePoolCheckpointBalance; }
+    bool SproutValuePoolCheckpointEnabled() const { return fSproutValuePoolCheckpointEnabled; }
 
     const CBlock& GenesisBlock() const { return genesis; }
     /** Make miner wait to have peers to avoid wasting work */
@@ -131,6 +132,7 @@ protected:
 
     CAmount nSproutValuePoolCheckpointHeight = 0;
     CAmount nSproutValuePoolCheckpointBalance = 0;
+    bool fSproutValuePoolCheckpointEnabled = false;
 };
 
 /**
diff --git a/src/main.cpp b/src/main.cpp
index 3516deff6..40291aab1 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2451,9 +2451,8 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
         return true;
     }
 
-    // If we're on testnet, reject a block that results in a negative
-    // shielded value pool balance.
-    if (Params().NetworkIDString() == "test") {
+    // Reject a block that results in a negative shielded value pool balance.
+    if (Params().SproutValuePoolCheckpointEnabled()) {
         // Sprout
         //
         // We can expect nChainSproutValue to be valid after the hardcoded
@@ -3327,6 +3326,12 @@ void FallbackSproutValuePoolBalance(
     const CChainParams& chainparams
 )
 {
+    // We might not want to enable the checkpointing for mainnet
+    // yet.
+    if (!chainparams.SproutValuePoolCheckpointEnabled()) {
+        return;
+    }
+
     // Check if the height of this block matches the checkpoint
     if (pindex->nHeight == chainparams.SproutValuePoolCheckpointHeight()) {
         // Are we monitoring the Sprout pool?
@@ -3348,7 +3353,6 @@ void FallbackSproutValuePoolBalance(
 bool ReceivedBlockTransactions(const CBlock &block, CValidationState& state, CBlockIndex *pindexNew, const CDiskBlockPos& pos)
 {
     const CChainParams& chainparams = Params();
-    bool this_is_testnet = chainparams.NetworkIDString() == "test";
 
     pindexNew->nTx = block.vtx.size();
     pindexNew->nChainTx = 0;
@@ -3403,11 +3407,8 @@ bool ReceivedBlockTransactions(const CBlock &block, CValidationState& state, CBl
                 pindex->nChainSaplingValue = pindex->nSaplingValue;
             }
 
-            // Fall back to hardcoded Sprout value pool balance if we're on
-            // testnet.
-            if (this_is_testnet) {
-                FallbackSproutValuePoolBalance(pindex, chainparams);
-            }
+            // Fall back to hardcoded Sprout value pool balance
+            FallbackSproutValuePoolBalance(pindex, chainparams);
 
             {
                 LOCK(cs_nBlockSequenceId);
@@ -4061,7 +4062,6 @@ CBlockIndex * InsertBlockIndex(uint256 hash)
 bool static LoadBlockIndexDB()
 {
     const CChainParams& chainparams = Params();
-    bool this_is_testnet = chainparams.NetworkIDString() == "test";
 
     if (!pblocktree->LoadBlockIndexGuts())
         return false;
@@ -4109,11 +4109,8 @@ bool static LoadBlockIndexDB()
                 pindex->nChainSaplingValue = pindex->nSaplingValue;
             }
 
-            // Fall back to hardcoded Sprout value pool balance if we're on
-            // testnet.
-            if (this_is_testnet) {
-                FallbackSproutValuePoolBalance(pindex, chainparams);
-            }
+            // Fall back to hardcoded Sprout value pool balance
+            FallbackSproutValuePoolBalance(pindex, chainparams);
         }
         // Construct in-memory chain of branch IDs.
         // Relies on invariant: a block that does not activate a network upgrade
diff --git a/src/miner.cpp b/src/miner.cpp
index f45582ba2..ec5a198ce 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -109,9 +109,6 @@ void UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams,
 CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
 {
     const CChainParams& chainparams = Params();
-    bool this_is_testnet_or_regtest =
-        (chainparams.NetworkIDString() == "test") ||
-        (chainparams.NetworkIDString() == "regtest");
 
     // Create new block
     std::unique_ptr<CBlockTemplate> pblocktemplate(new CBlockTemplate());
@@ -263,7 +260,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
         CAmount sproutValue = 0;
         CAmount saplingValue = 0;
         bool monitoring_pool_balances = true;
-        if (this_is_testnet_or_regtest) {
+        if (chainparams.SproutValuePoolCheckpointEnabled()) {
             if (pindexPrev->nChainSproutValue) {
                 sproutValue = *pindexPrev->nChainSproutValue;
             } else {
@@ -331,7 +328,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
             if (!ContextualCheckInputs(tx, state, view, true, MANDATORY_SCRIPT_VERIFY_FLAGS, true, txdata, Params().GetConsensus(), consensusBranchId))
                 continue;
 
-            if (this_is_testnet_or_regtest && monitoring_pool_balances) {
+            if (chainparams.SproutValuePoolCheckpointEnabled() && monitoring_pool_balances) {
                 // Does this transaction lead to a turnstile violation?
 
                 CAmount sproutValueDummy = sproutValue;
@@ -344,8 +341,14 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
                     sproutValueDummy -= js.vpub_new;
                 }
 
-                if (sproutValueDummy < 0) continue;
-                if (saplingValueDummy < 0) continue;
+                if (sproutValueDummy < 0) {
+                    LogPrintf("CreateNewBlock(): tx %s appears to violate Sprout turnstile", tx.GetHash().ToString());
+                    continue;
+                }
+                if (saplingValueDummy < 0) {
+                    LogPrintf("CreateNewBlock(): tx %s appears to violate Sapling turnstile", tx.GetHash().ToString());
+                    continue;
+                }
 
                 sproutValue = sproutValueDummy;
                 saplingValue = saplingValueDummy;