diff --git a/services/identity/Cargo.lock b/services/identity/Cargo.lock
--- a/services/identity/Cargo.lock
+++ b/services/identity/Cargo.lock
@@ -171,6 +171,7 @@
  "num-integer",
  "num-traits",
  "serde",
+ "time",
  "winapi",
 ]
 
@@ -685,6 +686,7 @@
 version = "0.1.0"
 dependencies = [
  "argon2",
+ "chrono",
  "clap",
  "curve25519-dalek",
  "derive_more",
@@ -1521,6 +1523,16 @@
  "once_cell",
 ]
 
+[[package]]
+name = "time"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "tokio"
 version = "1.18.1"
diff --git a/services/identity/Cargo.toml b/services/identity/Cargo.toml
--- a/services/identity/Cargo.toml
+++ b/services/identity/Cargo.toml
@@ -19,6 +19,7 @@
 rusoto_dynamodb = "0.47.0"
 tracing = "0.1"
 tracing-subscriber = "0.3"
+chrono = "0.4.19"
 
 [build-dependencies]
 tonic-build = "0.6"
diff --git a/services/identity/src/main.rs b/services/identity/src/main.rs
--- a/services/identity/src/main.rs
+++ b/services/identity/src/main.rs
@@ -9,6 +9,7 @@
 mod keygen;
 mod opaque;
 mod service;
+mod token;
 
 use config::Config;
 use keygen::generate_and_persist_keypair;
diff --git a/services/identity/src/token.rs b/services/identity/src/token.rs
new file mode 100644
--- /dev/null
+++ b/services/identity/src/token.rs
@@ -0,0 +1,13 @@
+use chrono::{DateTime, Utc};
+
+pub enum AuthType {
+  Password,
+  Wallet,
+}
+
+pub struct Token {
+  pub token: String,
+  pub created: Option<DateTime<Utc>>,
+  pub auth_type: Option<AuthType>,
+  pub valid: Option<bool>,
+}