diff --git a/services/identity/src/constants.rs b/services/identity/src/constants.rs
--- a/services/identity/src/constants.rs
+++ b/services/identity/src/constants.rs
@@ -66,6 +66,8 @@
 pub const USERS_TABLE_WALLET_ADDRESS_ATTRIBUTE: &str = "walletAddress";
 pub const USERS_TABLE_DEVICES_MAP_SOCIAL_PROOF_ATTRIBUTE_NAME: &str =
   "socialProof";
+pub const USERS_TABLE_DEVICELIST_TIMESTAMP_ATTRIBUTE_NAME: &str =
+  "deviceListTimestamp";
 pub const USERS_TABLE_USERNAME_INDEX: &str = "username-index";
 pub const USERS_TABLE_WALLET_ADDRESS_INDEX: &str = "walletAddress-index";
 
@@ -88,6 +90,40 @@
 pub const RESERVED_USERNAMES_TABLE: &str = "identity-reserved-usernames";
 pub const RESERVED_USERNAMES_TABLE_PARTITION_KEY: &str = "username";
 
+pub mod devices_table {
+  /// table name
+  pub const NAME: &str = "identity-devices";
+  pub const TIMESTAMP_INDEX_NAME: &str = "deviceList-timestamp-index";
+
+  /// partition key
+  pub const ATTR_USER_ID: &str = "userID";
+  /// sort key
+  pub const ATTR_ITEM_ID: &str = "itemID";
+
+  // itemID prefixes (one shouldn't be a prefix of the other)
+  pub const DEVICE_ITEM_KEY_PREFIX: &str = "device-";
+  pub const DEVICE_LIST_KEY_PREFIX: &str = "devicelist-";
+
+  // device-specific attrs
+  pub const ATTR_DEVICE_TYPE: &str = "deviceType";
+  pub const ATTR_DEVICE_KEY_INFO: &str = "deviceKeyInfo";
+  pub const ATTR_CONTENT_PREKEY: &str = "contentPreKey";
+  pub const ATTR_NOTIF_PREKEY: &str = "notifPreKey";
+
+  // IdentityKeyInfo constants
+  pub const ATTR_KEY_PAYLOAD: &str = "keyPayload";
+  pub const ATTR_KEY_PAYLOAD_SIGNATURE: &str = "keyPayloadSignature";
+  pub const ATTR_SOCIAL_PROOF: &str = "socialProof";
+
+  // PreKey constants
+  pub const ATTR_PREKEY: &str = "preKey";
+  pub const ATTR_PREKEY_SIGNATURE: &str = "preKeySignature";
+
+  // device-list-specific attrs
+  pub const ATTR_TIMESTAMP: &str = "timestamp";
+  pub const ATTR_DEVICE_IDS: &str = "deviceIDs";
+}
+
 // One time keys table, which need to exist in their own table to ensure
 // atomicity of additions and removals
 pub mod one_time_keys_table {
diff --git a/services/identity/src/database.rs b/services/identity/src/database.rs
--- a/services/identity/src/database.rs
+++ b/services/identity/src/database.rs
@@ -49,6 +49,8 @@
 use crate::token::{AccessTokenData, AuthType};
 pub use grpc_clients::identity::DeviceType;
 
+mod device_list;
+
 #[derive(Serialize, Deserialize)]
 pub struct OlmKeys {
   pub curve25519: String,
diff --git a/services/identity/src/database/device_list.rs b/services/identity/src/database/device_list.rs
new file mode 100644
--- /dev/null
+++ b/services/identity/src/database/device_list.rs
@@ -0,0 +1,47 @@
+// TODO: get rid of this
+#![allow(dead_code)]
+
+use std::collections::HashMap;
+
+use aws_sdk_dynamodb::model::AttributeValue;
+use chrono::{DateTime, Utc};
+
+use crate::grpc_services::protos::unauth::DeviceType;
+
+type RawAttributes = HashMap<String, AttributeValue>;
+
+#[derive(Clone, Debug)]
+pub enum DevicesTableRow {
+  Device(DeviceRow),
+  DeviceList(DeviceListRow),
+}
+
+#[derive(Clone, Debug)]
+pub struct DeviceRow {
+  pub user_id: String,
+  pub device_id: String,
+  pub device_type: DeviceType,
+  pub device_key_info: IdentityKeyInfo,
+  pub content_prekey: PreKey,
+  pub notif_prekey: PreKey,
+}
+
+#[derive(Clone, Debug)]
+pub struct DeviceListRow {
+  pub user_id: String,
+  pub timestamp: DateTime<Utc>,
+  pub device_ids: Vec<String>,
+}
+
+#[derive(Clone, Debug)]
+pub struct IdentityKeyInfo {
+  pub payload: String,
+  pub payload_signature: String,
+  pub social_proof: Option<String>,
+}
+
+#[derive(Clone, Debug)]
+pub struct PreKey {
+  pub pre_key: String,
+  pub pre_key_signature: String,
+}