diff --git a/pkg/core/interops.go b/pkg/core/interops.go
index 551c4c8cf..940d5928b 100644
--- a/pkg/core/interops.go
+++ b/pkg/core/interops.go
@@ -52,6 +52,9 @@ func (ic *interopContext) SpawnVM() *vm.VM {
 	})
 	vm.RegisterInteropGetter(ic.getSystemInterop)
 	vm.RegisterInteropGetter(ic.getNeoInterop)
+	if ic.bc != nil && ic.bc.GetConfig().EnableStateRoot {
+		vm.RegisterInteropGetter(ic.getNeoxInterop)
+	}
 	return vm
 }
 
@@ -77,6 +80,12 @@ func (ic *interopContext) getNeoInterop(id uint32) *vm.InteropFuncPrice {
 	return ic.getInteropFromSlice(id, neoInterops)
 }
 
+// getNeoxInterop returns matching interop function from the NeoX extension
+// for a given id in the current context.
+func (ic *interopContext) getNeoxInterop(id uint32) *vm.InteropFuncPrice {
+	return ic.getInteropFromSlice(id, neoxInterops)
+}
+
 // getInteropFromSlice returns matching interop function from the given slice of
 // interop functions in the current context.
 func (ic *interopContext) getInteropFromSlice(id uint32, slice []interopedFunction) *vm.InteropFuncPrice {
@@ -166,8 +175,6 @@ var neoInterops = []interopedFunction{
 	{Name: "Neo.Contract.GetStorageContext", Func: (*interopContext).contractGetStorageContext, Price: 1},
 	{Name: "Neo.Contract.IsPayable", Func: (*interopContext).contractIsPayable, Price: 1},
 	{Name: "Neo.Contract.Migrate", Func: (*interopContext).contractMigrate, Price: 0},
-	{Name: "Neo.Cryptography.Secp256k1Recover", Func: (*interopContext).secp256k1Recover, Price: 100},
-	{Name: "Neo.Cryptography.Secp256r1Recover", Func: (*interopContext).secp256r1Recover, Price: 100},
 	{Name: "Neo.Enumerator.Concat", Func: (*interopContext).enumeratorConcat, Price: 1},
 	{Name: "Neo.Enumerator.Create", Func: (*interopContext).enumeratorCreate, Price: 1},
 	{Name: "Neo.Enumerator.Next", Func: (*interopContext).enumeratorNext, Price: 1},
@@ -278,6 +285,11 @@ var neoInterops = []interopedFunction{
 	{Name: "AntShares.Transaction.GetType", Func: (*interopContext).txGetType, Price: 1},
 }
 
+var neoxInterops = []interopedFunction{
+	{Name: "Neo.Cryptography.Secp256k1Recover", Func: (*interopContext).secp256k1Recover, Price: 100},
+	{Name: "Neo.Cryptography.Secp256r1Recover", Func: (*interopContext).secp256r1Recover, Price: 100},
+}
+
 // initIDinInteropsSlice initializes IDs from names in one given
 // interopedFunction slice and then sorts it.
 func initIDinInteropsSlice(iops []interopedFunction) {
@@ -293,4 +305,5 @@ func initIDinInteropsSlice(iops []interopedFunction) {
 func init() {
 	initIDinInteropsSlice(systemInterops)
 	initIDinInteropsSlice(neoInterops)
+	initIDinInteropsSlice(neoxInterops)
 }