diff --git a/pkg/compiler/syscall.go b/pkg/compiler/syscall.go
index e93d2f484..be1b8a9c9 100644
--- a/pkg/compiler/syscall.go
+++ b/pkg/compiler/syscall.go
@@ -52,6 +52,9 @@ var syscalls = map[string]map[string]string{
 		"Create":  "System.Contract.Create",
 		"Destroy": "System.Contract.Destroy",
 		"Update":  "System.Contract.Update",
+
+		"IsStandard":            "System.Contract.IsStandard",
+		"CreateStandardAccount": "System.Contract.CreateStandardAccount",
 	},
 	"iterator": {
 		"Concat": "System.Iterator.Concat",
diff --git a/pkg/interop/contract/contract.go b/pkg/interop/contract/contract.go
index 509b41a17..12e530bc9 100644
--- a/pkg/interop/contract/contract.go
+++ b/pkg/interop/contract/contract.go
@@ -32,3 +32,15 @@ func Update(script []byte, manifest []byte) Contract {
 // not by any outside code. When contract is deleted all associated storage
 // items are deleted too. This function uses `System.Contract.Destroy` syscall.
 func Destroy() {}
+
+// IsStandard checks if contract with provided hash is a standard signature/multisig contract.
+// This function uses `System.Contract.IsStandard` syscall.
+func IsStandard(h []byte) bool {
+	return false
+}
+
+// CreateStandardAccount calculates script hash of a given public key.
+// This function uses `System.Contract.CreateStandardAccount` syscall.
+func CreateStandardAccount(pub []byte) []byte {
+	return nil
+}