diff --git a/.gitignore b/.gitignore
index 134ccab..47b4daa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,6 +33,10 @@ imgui.ini
 *.bak*
 *.params
 asmap.dat
+# Wallet files hold PRIVATE KEYS — never commit them
+wallet.dat
+wallet-*.dat
+wallet.dat.*
 /external/drg-xmrig
 /memory
 /todo.md