diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index be4b5d8..dd40778 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -64,7 +64,8 @@ class CMainParams : public CChainParams {
 public:
     CMainParams() {
         strNetworkID = CBaseChainParams::MAIN;
-        consensus.nSubsidyHalvingInterval = 100000;
+        consensus.nSubsidyHalvingInterval = 210000;
+
         consensus.BIP16Exception = uint256S("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f");
         consensus.BIP34Height = 29000;
         consensus.BIP34Hash = uint256();
@@ -74,14 +75,15 @@ public:
         consensus.SegwitHeight = 29000;
         consensus.MinBIP9WarningHeight = 29240; // segwit activation height + miner confirmation window
         consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
-        consensus.powLimitV2 = uint256S("000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
-        consensus.nPowTargetTimespan = 0.025 * 24 * 60 * 60;
+        consensus.nPowTargetTimespan = 14 * 24 * 60 * 60;
         consensus.nPowTargetSpacing = 10 * 60;
         consensus.nPowTargetSpacingV2 = 2 * 60;
         consensus.fPowAllowMinDifficultyBlocks = false;
         consensus.fPowNoRetargeting = false;
-        consensus.nRuleChangeActivationThreshold = 180;
-        consensus.nMinerConfirmationWindow = 240;
+        consensus.nRuleChangeActivationThreshold = 1916;
+        consensus.nMinerConfirmationWindow = 2016;
+
+
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 1199145601;
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 1230767999;
diff --git a/src/consensus/params.h b/src/consensus/params.h
index 234b5c4..7cc7890 100644
--- a/src/consensus/params.h
+++ b/src/consensus/params.h
@@ -73,7 +73,7 @@ struct Params {
     BIP9Deployment vDeployments[MAX_VERSION_BITS_DEPLOYMENTS];
     /** Proof of work parameters */
     uint256 powLimit;
-    uint256 powLimitV2;
+
     bool fPowAllowMinDifficultyBlocks;
     bool fPowNoRetargeting;
     int64_t nPowTargetSpacing;
diff --git a/src/pow.cpp b/src/pow.cpp
index 9c5c461..a61d68f 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -14,13 +14,12 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
 {
     assert(pindexLast != nullptr);
     unsigned int nProofOfWorkLimit = UintToArith256(params.powLimit).GetCompact();
-    unsigned int nProofOfWorkLimitV2 = UintToArith256(params.powLimitV2).GetCompact();
 
     // reset difficulty for new diff algorithm's average + Segwit/CSV activation
-    if (pindexLast->nHeight >= 28927)
-        return nProofOfWorkLimitV2;
+    if (pindexLast->nHeight >= 28928)
+        return nProofOfWorkLimit;
 
-    if (pindexLast->nHeight >= 28930)
+    if (pindexLast->nHeight >= 29000)
         return LwmaCalculateNextWorkRequired(pindexLast, params);
 
     // Only change once per difficulty adjustment interval