diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 54b9b0812..e99b8e003 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -66,10 +66,10 @@ class CMainParams : public CChainParams {
 public:
     CMainParams() {
         strNetworkID = "main";
-        consensus.nSubsidyHalvingInterval = 13440000;
+        consensus.nSubsidyHalvingInterval = 1050000; // 210000 * 5
         consensus.BIP16Height = 1;
-        consensus.BIP34Height = 200;
-        consensus.BIP34Hash = uint256S("0x581cc1e4153a2a367012d3678f0f83f7d62286d84e69ab860804acf3ff2f572b"); // Genesis
+        consensus.BIP34Height = 10;
+        //consensus.BIP34Hash = uint256S("0x581cc1e4153a2a367012d3678f0f83f7d62286d84e69ab860804acf3ff2f572b");
         consensus.BIP65Height = 1;
         consensus.BIP66Height = 1;
         consensus.powLimit = uint256S("000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
diff --git a/src/test/main_tests.cpp b/src/test/main_tests.cpp
index 77bbce670..48e98f49d 100644
--- a/src/test/main_tests.cpp
+++ b/src/test/main_tests.cpp
@@ -16,7 +16,7 @@ BOOST_FIXTURE_TEST_SUITE(main_tests, TestingSetup)
 static void TestBlockSubsidyHalvings(const Consensus::Params& consensusParams)
 {
     int maxHalvings = 64;
-    CAmount nInitialSubsidy = 50 * COIN;
+    CAmount nInitialSubsidy = 500 * COIN;
 
     CAmount nPreviousSubsidy = nInitialSubsidy * 2; // for height == 0
     BOOST_CHECK_EQUAL(nPreviousSubsidy, nInitialSubsidy * 2);
diff --git a/src/validation.cpp b/src/validation.cpp
index f0ca721a6..5fb43602a 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1192,8 +1192,8 @@ CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams)
     if (halvings >= 64)
         return 0;
 
-    CAmount nSubsidy = 50 * COIN;
-    // Subsidy is cut in half every 210,000 blocks which will occur approximately every 4 years.
+    CAmount nSubsidy = 500 * COIN;
+    // Subsidy is cut in half every 210,000 * 5 blocks which will occur approximately every 4 years.
     nSubsidy >>= halvings;
     return nSubsidy;
 }
@@ -1910,7 +1910,7 @@ bool CChainState::ConnectBlock(const CBlock& block, CValidationState& state, CBl
     // Now that the whole chain is irreversibly beyond that time it is applied to all blocks except the
     // two in the chain that violate it. This prevents exploiting the issue against nodes during their
     // initial block download.
-    bool fEnforceBIP30 = true;
+    bool fEnforceBIP30 = false;
                         //(!pindex->phashBlock) || // Enforce on CreateNewBlock invocations which don't have a hash.
                         //  !((pindex->nHeight==91842 && pindex->GetBlockHash() == uint256S("0x00000000000a4d0a398161ffc163c503763b1f4360639393e0e4c8e300e0caec")) ||
                         //   (pindex->nHeight==91880 && pindex->GetBlockHash() == uint256S("0x00000000000743f190a18c5577a3c2d2a1f610ae9601ac046a38084ccb7cd721")));