diff --git a/contracts/examples/ping-pong-egld/interactor/.gitignore b/contracts/examples/ping-pong-egld/interactor/.gitignore
index ac5c74ec15..e17170346b 100644
--- a/contracts/examples/ping-pong-egld/interactor/.gitignore
+++ b/contracts/examples/ping-pong-egld/interactor/.gitignore
@@ -1,5 +1,5 @@
 # Pem files are used for interactions, but shouldn't be committed
-*.pem
+# *.pem
 *.json
 
 # Temporary storage of deployed contract address, so we can preserve the context between executions.
diff --git a/contracts/examples/ping-pong-egld/interactor/ping-pong-owner.pem b/contracts/examples/ping-pong-egld/interactor/ping-pong-owner.pem
new file mode 100644
index 0000000000..0c066f4b15
--- /dev/null
+++ b/contracts/examples/ping-pong-egld/interactor/ping-pong-owner.pem
@@ -0,0 +1,5 @@
+-----BEGIN PRIVATE KEY for erd1r86as0572rkv05lvz8gvavnmdrjjt7y7u60v37aw9567p0yuvmhspcrkvh-----
+MWUwZWNlOGFlNjk5OTA1ZDk2NzA3Nzk3MzhjMGRiOWM5YjQzNTNkMDVjYjFjNTM1
+NzdmMmE0ZWMzYzgxN2VmYjE5ZjVkODNlOWU1MGVjYzdkM2VjMTFkMGNlYjI3YjY4
+ZTUyNWY4OWVlNjllYzhmYmFlMmQzNWUwYmM5YzY2ZWY=
+-----END PRIVATE KEY for erd1r86as0572rkv05lvz8gvavnmdrjjt7y7u60v37aw9567p0yuvmhspcrkvh-----
diff --git a/contracts/examples/ping-pong-egld/interactor/src/interact.rs b/contracts/examples/ping-pong-egld/interactor/src/interact.rs
index 8213049a39..7fafad5720 100644
--- a/contracts/examples/ping-pong-egld/interactor/src/interact.rs
+++ b/contracts/examples/ping-pong-egld/interactor/src/interact.rs
@@ -114,8 +114,12 @@ impl PingPongEgldInteract {
             .with_tracer(INTERACTOR_SCENARIO_TRACE_PATH)
             .await;
 
-        let ping_pong_owner_address = interactor.register_wallet(test_wallets::eve()).await;
-        let wallet_address = interactor.register_wallet(test_wallets::mallory()).await;
+        let ping_pong_owner_address = interactor
+            .register_wallet(Wallet::from_pem_file("ping-pong-owner.pem").unwrap())
+            .await;
+        let wallet_address = interactor
+            .register_wallet(Wallet::from_pem_file("wallet.pem").unwrap())
+            .await;
 
         // generate blocks until ESDTSystemSCAddress is enabled
         interactor.generate_blocks_until_epoch(1).await.unwrap();
diff --git a/contracts/examples/ping-pong-egld/interactor/wallet.pem b/contracts/examples/ping-pong-egld/interactor/wallet.pem
new file mode 100644
index 0000000000..44428ac9c7
--- /dev/null
+++ b/contracts/examples/ping-pong-egld/interactor/wallet.pem
@@ -0,0 +1,5 @@
+-----BEGIN PRIVATE KEY for erd18r620tsqvyqmjgu23cdd8r33rauht978weehakscxdjm9g92g5zsw8sjh3-----
+MmYzYmU5M2ZmZDBmN2FiNDA1ZjU3NDExOTYwMmQxYzgwNWFkY2FhNmI1NGNhNGU2
+ZmQxMzAxMmMyMTMzNjk2YjM4ZjRhN2FlMDA2MTAxYjkyMzhhOGUxYWQzOGUzMTFm
+Nzk3NTk3Yzc3NjczN2VkYTE4MzM2NWIyYTBhYTQ1MDU=
+-----END PRIVATE KEY for erd18r620tsqvyqmjgu23cdd8r33rauht978weehakscxdjm9g92g5zsw8sjh3-----