diff --git a/internal/chain/engine_test.go b/internal/chain/engine_test.go
index 3e863c8f4a..677cb26a53 100644
--- a/internal/chain/engine_test.go
+++ b/internal/chain/engine_test.go
@@ -110,6 +110,7 @@ func TestVerifyShardStateRejectsEmptyShardState(t *testing.T) {
 	chain := makeFakeBlockChain()
 	chain.superCommittee = shard.State{}
 	header := makeFakeHeader()
+	header.SetEpoch(big.NewInt(currentEpoch))
 
 	encodedEmptyState, err := shard.EncodeWrapper(shard.State{}, false)
 	if err != nil {
@@ -462,7 +463,7 @@ func TestVerifyHeaderTimestampValidationBackwardCompatibleBeforeFork(t *testing.
 
 	parent := blockfactory.NewTestHeader()
 	parent.SetNumber(big.NewInt(doubleSignBlockNumber))
-	parent.SetEpoch(big.NewInt(5))
+	parent.SetEpoch(big.NewInt(4))
 	parent.SetTime(big.NewInt(time.Now().Unix()))
 	chain.currentBlock = *types.NewBlockWithHeader(parent)
 	parent = chain.CurrentHeader()
diff --git a/internal/params/config.go b/internal/params/config.go
index 23f4c3c820..75283d4e90 100644
--- a/internal/params/config.go
+++ b/internal/params/config.go
@@ -408,13 +408,13 @@ var (
 		EIP155Epoch:                           big.NewInt(0),
 		S3Epoch:                               big.NewInt(0),
 		CrossTxEpoch:                          big.NewInt(0),
-		CXMerkleProofReplayFixEpoch:           big.NewInt(0),
-		CXReceiptStateRollbackEpoch:           big.NewInt(0),
+		CXMerkleProofReplayFixEpoch:           big.NewInt(5),
+		CXReceiptStateRollbackEpoch:           big.NewInt(5),
 		MinCommissionPromoPeriod:              big.NewInt(10),
 		ReceiptLogEpoch:                       big.NewInt(0),
 		PreStakingEpoch:                       big.NewInt(0),
 		CrossLinkEpoch:                        big.NewInt(2),
-		RejectShard0CrossLinkEpoch:            big.NewInt(0),
+		RejectShard0CrossLinkEpoch:            big.NewInt(5),
 		StakingEpoch:                          big.NewInt(2),
 		QuickUnlockEpoch:                      big.NewInt(0),
 		FiveSecondsEpoch:                      big.NewInt(0),
@@ -439,37 +439,38 @@ var (
 		CrossShardXferPrecompileEpoch:         big.NewInt(1),
 		FeeCollectEpoch:                       big.NewInt(2),
 		ValidatorCodeFixEpoch:                 big.NewInt(2),
-		HIP30Epoch:                            EpochTBD,
+		HIP30Epoch:                            big.NewInt(5),
 		BlockGas30MEpoch:                      big.NewInt(0),
 		MaxRateEpoch:                          EpochTBD,
 		TopMaxRateEpoch:                       EpochTBD,
 		LeaderRotationInternalValidatorsEpoch: big.NewInt(3),
 		LeaderRotationExternalValidatorsEpoch: big.NewInt(3),
 		HIP32Epoch:                            EpochTBD,
-		AllowlistEpoch:                        EpochTBD,
-		LeaderRotationV2Epoch:                 EpochTBD,
+		AllowlistEpoch:                        big.NewInt(5),
+		LeaderRotationV2Epoch:                 big.NewInt(5),
 		DevnetExternalEpoch:                   EpochTBD,
 		TestnetExternalEpoch:                  EpochTBD,
-		TimestampValidationEpoch:              big.NewInt(0),
-		DuplicateCrossLinkEpoch:               EpochTBD,
-		ShardStateValidationEpoch:             big.NewInt(0),
+		TimestampValidationEpoch:              big.NewInt(5),
+		DuplicateCrossLinkEpoch:               big.NewInt(5),
+		ShardStateValidationEpoch:             big.NewInt(5),
 		IsOneSecondEpoch:                      big.NewInt(4),
-		EIP2537PrecompileEpoch:                EpochTBD,
-		EIP1153TransientStorageEpoch:          EpochTBD,
-		EIP7939CLZEpoch:                       EpochTBD,
-		EIP5656McopyEpoch:                     EpochTBD,
-		EIP3855Epoch:                          EpochTBD,
-		EIP3860Epoch:                          EpochTBD,
+		EIP2537PrecompileEpoch:                big.NewInt(5),
+		EIP1153TransientStorageEpoch:          big.NewInt(5),
+		EIP7939CLZEpoch:                       big.NewInt(5),
+		EIP5656McopyEpoch:                     big.NewInt(5),
+		EIP3855Epoch:                          big.NewInt(5),
+		EIP3860Epoch:                          big.NewInt(5),
+		EIP6780Epoch:                          big.NewInt(5),
 		PragueEpoch:                           EpochTBD,
-		EIP8024Epoch:                          EpochTBD,
-		ValidatorWrapperAddressBindEpoch:      EpochTBD,
-		SlashExternalStakeDenomFixEpoch:       EpochTBD,
-		RejectDuplicateSlashEvidenceEpoch:     big.NewInt(0),
-		SlashGroupOrderFixEpoch:               big.NewInt(2),
-		BLSProofBindEpoch:                     EpochTBD,
-		SlashBallotSignerFixEpoch:             big.NewInt(2),
-		VerifyBeaconHeaderSlashEpoch:          EpochTBD,
-		BloomEpoch:                            EpochTBD,
+		EIP8024Epoch:                          big.NewInt(5),
+		ValidatorWrapperAddressBindEpoch:      big.NewInt(5),
+		SlashExternalStakeDenomFixEpoch:       big.NewInt(5),
+		RejectDuplicateSlashEvidenceEpoch:     big.NewInt(5),
+		SlashGroupOrderFixEpoch:               big.NewInt(5),
+		BLSProofBindEpoch:                     big.NewInt(5),
+		SlashBallotSignerFixEpoch:             big.NewInt(5),
+		VerifyBeaconHeaderSlashEpoch:          big.NewInt(5),
+		BloomEpoch:                            big.NewInt(5),
 	}
 
 	// AllProtocolChanges ...
diff --git a/internal/params/config_test.go b/internal/params/config_test.go
index cb96e4f447..6771605ab7 100644
--- a/internal/params/config_test.go
+++ b/internal/params/config_test.go
@@ -64,3 +64,110 @@ func TestMainnetTBDFeaturesInactiveBeforeActivation(t *testing.T) {
 	require.False(t, rules.IsEIP5656Mcopy)
 	require.False(t, rules.IsCXReceiptStateRollback)
 }
+
+func TestBloomEpochConfigured(t *testing.T) {
+	require.Equal(t, big.NewInt(7420), TestnetChainConfig.BloomEpoch)
+	require.Equal(t, big.NewInt(53508), PartnerChainConfig.BloomEpoch)
+	require.Equal(t, big.NewInt(5), LocalnetChainConfig.BloomEpoch)
+
+	require.True(t, TestnetChainConfig.BloomEpoch.Cmp(maxEpoch(testnetBloomFeatureEpochs())) >= 0)
+	require.True(t, PartnerChainConfig.BloomEpoch.Cmp(maxEpoch(devnetBloomFeatureEpochs())) >= 0)
+	require.True(t, LocalnetChainConfig.BloomEpoch.Cmp(maxEpoch(localnetBloomFeatureEpochs())) >= 0)
+
+	for _, epoch := range localnetBloomFeatureEpochs() {
+		require.Equal(t, big.NewInt(5), epoch)
+	}
+}
+
+func testnetBloomFeatureEpochs() []*big.Int {
+	return []*big.Int{
+		TestnetChainConfig.CXMerkleProofReplayFixEpoch,
+		TestnetChainConfig.CXReceiptStateRollbackEpoch,
+		TestnetChainConfig.TimestampValidationEpoch,
+		TestnetChainConfig.SlashExternalStakeDenomFixEpoch,
+		TestnetChainConfig.DuplicateCrossLinkEpoch,
+		TestnetChainConfig.ShardStateValidationEpoch,
+		TestnetChainConfig.RejectShard0CrossLinkEpoch,
+		TestnetChainConfig.EIP2537PrecompileEpoch,
+		TestnetChainConfig.EIP1153TransientStorageEpoch,
+		TestnetChainConfig.EIP7939CLZEpoch,
+		TestnetChainConfig.EIP5656McopyEpoch,
+		TestnetChainConfig.EIP3855Epoch,
+		TestnetChainConfig.EIP3860Epoch,
+		TestnetChainConfig.EIP6780Epoch,
+		TestnetChainConfig.EIP8024Epoch,
+		TestnetChainConfig.RejectDuplicateSlashEvidenceEpoch,
+		TestnetChainConfig.AllowlistEpoch,
+		TestnetChainConfig.LeaderRotationV2Epoch,
+		TestnetChainConfig.SlashGroupOrderFixEpoch,
+		TestnetChainConfig.ValidatorWrapperAddressBindEpoch,
+		TestnetChainConfig.BLSProofBindEpoch,
+		TestnetChainConfig.SlashBallotSignerFixEpoch,
+		TestnetChainConfig.VerifyBeaconHeaderSlashEpoch,
+	}
+}
+
+func devnetBloomFeatureEpochs() []*big.Int {
+	return []*big.Int{
+		PartnerChainConfig.CXMerkleProofReplayFixEpoch,
+		PartnerChainConfig.CXReceiptStateRollbackEpoch,
+		PartnerChainConfig.TimestampValidationEpoch,
+		PartnerChainConfig.SlashExternalStakeDenomFixEpoch,
+		PartnerChainConfig.DuplicateCrossLinkEpoch,
+		PartnerChainConfig.ShardStateValidationEpoch,
+		PartnerChainConfig.RejectShard0CrossLinkEpoch,
+		PartnerChainConfig.EIP2537PrecompileEpoch,
+		PartnerChainConfig.EIP1153TransientStorageEpoch,
+		PartnerChainConfig.EIP7939CLZEpoch,
+		PartnerChainConfig.EIP5656McopyEpoch,
+		PartnerChainConfig.EIP3855Epoch,
+		PartnerChainConfig.EIP3860Epoch,
+		PartnerChainConfig.EIP6780Epoch,
+		PartnerChainConfig.EIP8024Epoch,
+		PartnerChainConfig.RejectDuplicateSlashEvidenceEpoch,
+		PartnerChainConfig.LeaderRotationV2Epoch,
+		PartnerChainConfig.SlashGroupOrderFixEpoch,
+		PartnerChainConfig.ValidatorWrapperAddressBindEpoch,
+		PartnerChainConfig.BLSProofBindEpoch,
+		PartnerChainConfig.SlashBallotSignerFixEpoch,
+		PartnerChainConfig.VerifyBeaconHeaderSlashEpoch,
+	}
+}
+
+func localnetBloomFeatureEpochs() []*big.Int {
+	return []*big.Int{
+		LocalnetChainConfig.CXMerkleProofReplayFixEpoch,
+		LocalnetChainConfig.CXReceiptStateRollbackEpoch,
+		LocalnetChainConfig.TimestampValidationEpoch,
+		LocalnetChainConfig.SlashExternalStakeDenomFixEpoch,
+		LocalnetChainConfig.DuplicateCrossLinkEpoch,
+		LocalnetChainConfig.ShardStateValidationEpoch,
+		LocalnetChainConfig.RejectShard0CrossLinkEpoch,
+		LocalnetChainConfig.EIP2537PrecompileEpoch,
+		LocalnetChainConfig.EIP1153TransientStorageEpoch,
+		LocalnetChainConfig.EIP7939CLZEpoch,
+		LocalnetChainConfig.EIP5656McopyEpoch,
+		LocalnetChainConfig.EIP3855Epoch,
+		LocalnetChainConfig.EIP3860Epoch,
+		LocalnetChainConfig.EIP6780Epoch,
+		LocalnetChainConfig.EIP8024Epoch,
+		LocalnetChainConfig.RejectDuplicateSlashEvidenceEpoch,
+		LocalnetChainConfig.AllowlistEpoch,
+		LocalnetChainConfig.LeaderRotationV2Epoch,
+		LocalnetChainConfig.SlashGroupOrderFixEpoch,
+		LocalnetChainConfig.ValidatorWrapperAddressBindEpoch,
+		LocalnetChainConfig.BLSProofBindEpoch,
+		LocalnetChainConfig.SlashBallotSignerFixEpoch,
+		LocalnetChainConfig.VerifyBeaconHeaderSlashEpoch,
+	}
+}
+
+func maxEpoch(epochs []*big.Int) *big.Int {
+	max := epochs[0]
+	for _, epoch := range epochs[1:] {
+		if epoch.Cmp(max) > 0 {
+			max = epoch
+		}
+	}
+	return max
+}
diff --git a/staking/slash/double-sign_test.go b/staking/slash/double-sign_test.go
index 3d4ab7e850..fcb0972c75 100644
--- a/staking/slash/double-sign_test.go
+++ b/staking/slash/double-sign_test.go
@@ -84,6 +84,7 @@ func TestVerifyRejectsExtraBallotSignerKeys(t *testing.T) {
 	record := extraBallotSignerSlashRecord(t)
 	sdb := defaultTestStateDB()
 	chain := defaultFakeBlockChain()
+	chain.config.SlashBallotSignerFixEpoch = big.NewInt(0)
 
 	err := Verify(chain, sdb, &record)
 	if err == nil {