diff --git a/pkg/compiler/syscall.go b/pkg/compiler/syscall.go
index 21f6bda83..e47a9ca75 100644
--- a/pkg/compiler/syscall.go
+++ b/pkg/compiler/syscall.go
@@ -6,8 +6,10 @@ var syscalls = map[string]map[string]string{
 		"Deserialize": "System.Binary.Deserialize",
 	},
 	"crypto": {
-		"ECDsaSecp256r1Verify": "Neo.Crypto.VerifyWithECDsaSecp256r1",
-		"ECDsaSecp256k1Verify": "Neo.Crypto.VerifyWithECDsaSecp256k1",
+		"ECDsaSecp256r1Verify":        "Neo.Crypto.VerifyWithECDsaSecp256r1",
+		"ECDsaSecp256k1Verify":        "Neo.Crypto.VerifyWithECDsaSecp256k1",
+		"ECDSASecp256r1CheckMultisig": "Neo.Crypto.CheckMultisigWithECDsaSecp256r1",
+		"ECDSASecp256k1CheckMultisig": "Neo.Crypto.CheckMultisigWithECDsaSecp256k1",
 	},
 	"enumerator": {
 		"Concat": "System.Enumerator.Concat",
diff --git a/pkg/interop/crypto/crypto.go b/pkg/interop/crypto/crypto.go
index 91f932ce7..6e894465b 100644
--- a/pkg/interop/crypto/crypto.go
+++ b/pkg/interop/crypto/crypto.go
@@ -19,3 +19,15 @@ func ECDsaSecp256r1Verify(msg []byte, pub []byte, sig []byte) bool {
 func ECDsaSecp256k1Verify(msg []byte, pub []byte, sig []byte) bool {
 	return false
 }
+
+// ECDSASecp256r1CheckMultisig checks multiple ECDSA signatures at once. It uses
+// `Neo.Crypto.CheckMultisigWithECDsaSecp256r1` syscall.
+func ECDSASecp256r1CheckMultisig(msg []byte, pubs [][]byte, sigs [][]byte) bool {
+	return false
+}
+
+// ECDSASecp256k1CheckMultisig checks multiple ECDSA signatures at once. It uses
+// `Neo.Crypto.CheckMultisigWithECDsaSecp256k1` syscall.
+func ECDSASecp256k1CheckMultisig(msg []byte, pubs [][]byte, sigs [][]byte) bool {
+	return false
+}