diff --git a/.gitignore b/.gitignore
index 5b5abc0..ee7b8e3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,23 @@
+# Go build artifacts
 build/bin
 build/gen
 vendor
+
+# Truffle build artifacts
 benchmarks/*/build
+
+# Node.js
+node_modules/
+
+# Python
+__pycache__/
+*.pyc
+
+# Profiling
 *.prof
 
+# Generated fuzzing config (created by extract.sh)
+**/fuzz_config/
+
+# Environment files
+.env