diff --git a/src/auth.rs b/src/auth.rs
index 7d0f2c8..324db45 100644
--- a/src/auth.rs
+++ b/src/auth.rs
@@ -1,11 +1,14 @@
-use secrecy::SecretString;
+use secrecy::{DebugSecret, SecretString};
+use tracing::instrument;
 
-#[derive(Clone)]
+#[derive(Debug, Clone)]
 pub struct Password(pub SecretString);
 
-#[derive(Clone)]
+#[derive(Debug, Clone)]
 pub struct UserToken(pub SecretString);
+impl DebugSecret for UserToken {}
 
+#[derive(Debug)]
 pub struct Authenticator {
     // TODO
 }
@@ -15,10 +18,12 @@ impl Authenticator {
         Self {}
     }
 
-    pub fn create_user_token(&mut self, username: &str, password: &str) -> UserToken {
+    #[instrument]
+    pub fn create_user_token(&mut self, username: &str, password: &Password) -> UserToken {
         todo!()
     }
 
+    #[instrument]
     pub fn verify_user_token(&self, token: &UserToken) -> bool {
         todo!()
     }