diff --git a/internal/params/config.go b/internal/params/config.go
index b98f43b834..1656dfd0b7 100644
--- a/internal/params/config.go
+++ b/internal/params/config.go
@@ -81,17 +81,17 @@ var (
 		LeaderRotationV2Epoch:                 EpochTBD,
 		DevnetExternalEpoch:                   EpochTBD,
 		TestnetExternalEpoch:                  EpochTBD,
-		TimestampValidationEpoch:              EpochTBD,
+		TimestampValidationEpoch:              big.NewInt(2950),
 		IsOneSecondEpoch:                      EpochTBD,
 		EIP2537PrecompileEpoch:                EpochTBD,
-		EIP1153TransientStorageEpoch:          EpochTBD,
-		EIP7939CLZEpoch:                       EpochTBD,
-		EIP5656McopyEpoch:                     EpochTBD,
-		EIP3855Epoch:                          EpochTBD,
-		EIP3860Epoch:                          EpochTBD,
-		EIP6780Epoch:                          EpochTBD,
+		EIP1153TransientStorageEpoch:          big.NewInt(2950),
+		EIP7939CLZEpoch:                       big.NewInt(2950),
+		EIP5656McopyEpoch:                     big.NewInt(2950),
+		EIP3855Epoch:                          big.NewInt(2950),
+		EIP3860Epoch:                          big.NewInt(2950),
+		EIP6780Epoch:                          big.NewInt(2950),
 		PragueEpoch:                           EpochTBD,
-		EIP8024Epoch:                          EpochTBD,
+		EIP8024Epoch:                          big.NewInt(2950),
 	}
 
 	// TestnetChainConfig contains the chain parameters to run a node on the harmony test network.