diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..d218eff
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,16 @@
+Copyright (c) [2025] [Methanium]
+All rights reserved.
+
+This software is protected by copyright. Copying, editing,
+distributing, publicly performing, or any other use of this software
+or its components, in source or binary form, is strictly prohibited without the express
+written permission of the copyright holder.
+
+FUTURE LICENSE ACCEPTANCE:
+It is the copyright holder's intention to release this software in the future
+under a license yet to be defined, which will, among other things,
+allow private, non-commercial use. This statement does not constitute
+a current license grant and does not alter the above
+prohibition on use, copying, or modification. Until the formal
+publication of such a future license, all rights remain
+reserved.
diff --git a/src/auth/auth_connector.rs b/src/auth/auth_connector.rs
index 4c8f14f..58f3a18 100644
--- a/src/auth/auth_connector.rs
+++ b/src/auth/auth_connector.rs
@@ -26,7 +26,7 @@ fn client() -> Client {
 }
 
 pub async fn get_user(user_id: Uuid) -> Option<AuthUser> {
-    let url = format!("https://auth.tensamin.methanium.net/api/get/{}", user_id);
+    let url = format!("https://auth.tensamin.net/api/get/{}", user_id);
     let client = client();
     let res = client.get(&url).send().await.ok()?;
     let json = res.text().await.ok()?;
@@ -65,10 +65,7 @@ pub async fn get_user(user_id: Uuid) -> Option<AuthUser> {
 }
 
 pub async fn get_iota_id(user_id: Uuid) -> Option<Uuid> {
-    let url = format!(
-        "https://auth.tensamin.methanium.net/api/get/iota-id/{}",
-        user_id
-    );
+    let url = format!("https://auth.tensamin.net/api/get/iota-id/{}", user_id);
 
     let client = client();
     let res = client
@@ -92,7 +89,7 @@ pub async fn get_iota_id(user_id: Uuid) -> Option<Uuid> {
 }
 pub async fn is_private_key_valid(user_id: Uuid, pk_hash: &str) -> bool {
     let url = format!(
-        "https://auth.tensamin.methanium.net/api/get/private-key-hash/{}/",
+        "https://auth.tensamin.net/api/get/private-key-hash/{}/",
         user_id
     );
 
@@ -124,10 +121,7 @@ pub async fn is_private_key_valid(user_id: Uuid, pk_hash: &str) -> bool {
     }
 }
 pub async fn get_public_key(user_id: Uuid) -> Option<String> {
-    let url = format!(
-        "https://auth.tensamin.methanium.net/api/{}/public-key",
-        user_id
-    );
+    let url = format!("https://auth.tensamin.net/api/{}/public-key", user_id);
 
     let client = client();
     let res = client
@@ -148,7 +142,7 @@ pub async fn get_public_key(user_id: Uuid) -> Option<String> {
 }
 
 pub async fn get_register() -> Option<Uuid> {
-    let url = "https://auth.tensamin.methanium.net/api/register/init".to_string();
+    let url = "https://auth.tensamin.net/api/register/init".to_string();
     let client = client();
     let res = client.get(&url).send().await.ok()?;
     let json = res.text().await.ok()?;
diff --git a/src/rho/client_connection.rs b/src/rho/client_connection.rs
index 8a54d3f..ce39182 100644
--- a/src/rho/client_connection.rs
+++ b/src/rho/client_connection.rs
@@ -341,7 +341,7 @@ impl ClientConnection {
             .add_data_str(DataTypes::sender_id, sender_id.to_string())
             .add_data_str(DataTypes::call_secret, call_secret.unwrap());
 
-        target_rho.message_iota_to_client(distribute).await;
+        target_rho.message_to_client(distribute).await;
 
         // Handle call group invitation logic here
         // This would require implementing CallGroup::Caller and related functionality
diff --git a/src/rho/iota_connection.rs b/src/rho/iota_connection.rs
index d1319fa..abf981b 100644
--- a/src/rho/iota_connection.rs
+++ b/src/rho/iota_connection.rs
@@ -254,14 +254,16 @@ impl IotaConnection {
         let receiver_id = cv.get_receiver();
         let sender_id = cv.get_sender();
         if !self.get_user_ids().await.contains(&sender_id) {
-            self.send_error_response(&cv.get_id()).await;
+            self.send_message(CommunicationValue::new(
+                CommunicationType::error_invalid_user_id,
+            ));
             return;
         }
 
         if let Some(target_rho) = rho_manager::get_rho_con_for_user(receiver_id).await {
             target_rho.message_to_iota(cv).await;
         } else {
-            let error = CommunicationValue::new(CommunicationType::error)
+            let error = CommunicationValue::new(CommunicationType::error_no_iota)
                 .with_id(cv.get_id())
                 .with_sender(cv.get_sender());
             self.send_message(error).await;
@@ -311,7 +313,7 @@ impl IotaConnection {
         if let Some(rho_conn) = self.get_rho_connection().await {
             let updated_cv = cv.with_sender(self.get_iota_id().await);
             let receiver_id = updated_cv.get_receiver();
-            rho_conn.message_iota_to_client(updated_cv).await;
+            rho_conn.message_to_client(updated_cv).await;
         }
     }