diff --git a/pkg/core/interops.go b/pkg/core/interops.go
index 437705ab6..7f0c3ee35 100644
--- a/pkg/core/interops.go
+++ b/pkg/core/interops.go
@@ -71,25 +71,25 @@ func getInteropFromSlice(ic *interop.Context, slice []interop.Function) func(uin
 var systemInterops = []interop.Function{
 	{Name: "System.Binary.Deserialize", Func: runtimeDeserialize, Price: 500000},
 	{Name: "System.Binary.Serialize", Func: runtimeSerialize, Price: 100000},
-	{Name: "System.Blockchain.GetBlock", Func: bcGetBlock, Price: 250,
+	{Name: "System.Blockchain.GetBlock", Func: bcGetBlock, Price: 2500000,
 		AllowedTriggers: trigger.Application, RequiredFlags: smartcontract.AllowStates},
-	{Name: "System.Blockchain.GetContract", Func: bcGetContract, Price: 100,
+	{Name: "System.Blockchain.GetContract", Func: bcGetContract, Price: 1000000,
 		AllowedTriggers: trigger.Application, RequiredFlags: smartcontract.AllowStates},
-	{Name: "System.Blockchain.GetHeight", Func: bcGetHeight, Price: 1,
+	{Name: "System.Blockchain.GetHeight", Func: bcGetHeight, Price: 400,
 		AllowedTriggers: trigger.Application, RequiredFlags: smartcontract.AllowStates},
-	{Name: "System.Blockchain.GetTransaction", Func: bcGetTransaction, Price: 100,
+	{Name: "System.Blockchain.GetTransaction", Func: bcGetTransaction, Price: 1000000,
 		AllowedTriggers: trigger.Application, RequiredFlags: smartcontract.AllowStates},
-	{Name: "System.Blockchain.GetTransactionFromBlock", Func: bcGetTransactionFromBlock, Price: 100,
+	{Name: "System.Blockchain.GetTransactionFromBlock", Func: bcGetTransactionFromBlock, Price: 1000000,
 		AllowedTriggers: trigger.Application, RequiredFlags: smartcontract.AllowStates},
-	{Name: "System.Blockchain.GetTransactionHeight", Func: bcGetTransactionHeight, Price: 100,
+	{Name: "System.Blockchain.GetTransactionHeight", Func: bcGetTransactionHeight, Price: 1000000,
 		AllowedTriggers: trigger.Application, RequiredFlags: smartcontract.AllowStates},
-	{Name: "System.Contract.Call", Func: contractCall, Price: 1,
+	{Name: "System.Contract.Call", Func: contractCall, Price: 1000000,
 		AllowedTriggers: trigger.System | trigger.Application, RequiredFlags: smartcontract.AllowCall},
-	{Name: "System.Contract.CallEx", Func: contractCallEx, Price: 1,
+	{Name: "System.Contract.CallEx", Func: contractCallEx, Price: 1000000,
 		AllowedTriggers: trigger.System | trigger.Application, RequiredFlags: smartcontract.AllowCall},
 	{Name: "System.Contract.Create", Func: contractCreate, Price: 0,
 		AllowedTriggers: trigger.Application, RequiredFlags: smartcontract.AllowModifyStates},
-	{Name: "System.Contract.Destroy", Func: contractDestroy, Price: 1,
+	{Name: "System.Contract.Destroy", Func: contractDestroy, Price: 1000000,
 		AllowedTriggers: trigger.Application, RequiredFlags: smartcontract.AllowModifyStates},
 	{Name: "System.Contract.Update", Func: contractUpdate, Price: 0,
 		AllowedTriggers: trigger.Application, RequiredFlags: smartcontract.AllowModifyStates},