diff --git a/.gitignore b/.gitignore
index 7f4b61fc..5509c68a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,7 @@ vendor/
 node_modules/
 # Ignore Gradle build output directory
 build
+
+# Customized by Chhaileng
+wallet
+off_chain_data/listener/files/*.json
diff --git a/off_chain_data/listener/files/.gitkeep b/off_chain_data/listener/files/.gitkeep
new file mode 100644
index 00000000..e69de29b