diff --git a/.gitignore b/.gitignore
index d7524f79db..c7a4175bd3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@ package-lock.json
 # tarball from `yarn pack`
 *.tgz
 
+.DS_STORE
 coverage
 dist
 docs
diff --git a/src/transaction/TransactionController.ts b/src/transaction/TransactionController.ts
index 21681de5e9..dd79ce4b68 100644
--- a/src/transaction/TransactionController.ts
+++ b/src/transaction/TransactionController.ts
@@ -84,6 +84,15 @@ export enum TransactionStatus {
   unapproved = 'unapproved',
 }
 
+/**
+ * Options for wallet device.
+ */
+export enum WalletDevice {
+  MM_MOBILE = 'metamask_mobile',
+  MM_EXTENSION = 'metamask_extension',
+  OTHER = 'other_device',
+}
+
 type TransactionMetaBase = {
   isTransfer?: boolean;
   transferInformation?: {
@@ -101,6 +110,7 @@ type TransactionMetaBase = {
   transaction: Transaction;
   transactionHash?: string;
   blockNumber?: string;
+  deviceConfirmedOn?: WalletDevice;
 };
 
 /**
@@ -112,6 +122,7 @@ type TransactionMetaBase = {
  * @property id - Generated UUID associated with this transaction
  * @property networkID - Network code as per EIP-155 for this transaction
  * @property origin - Origin this transaction was sent from
+ * @property deviceConfirmedOn - string to indicate what device the transaction was confirmed
  * @property rawTransaction - Hex representation of the underlying transaction
  * @property status - String status of this transaction
  * @property time - Timestamp associated with this transaction
@@ -411,9 +422,10 @@ export class TransactionController extends BaseController<TransactionConfig, Tra
    *
    * @param transaction - Transaction object to add
    * @param origin - Domain origin to append to the generated TransactionMeta
+   * @param deviceConfirmedOn - enum to indicate what device the transaction was confirmed to append to the generated TransactionMeta
    * @returns - Object containing a promise resolving to the transaction hash if approved
    */
-  async addTransaction(transaction: Transaction, origin?: string): Promise<Result> {
+  async addTransaction(transaction: Transaction, origin?: string, deviceConfirmedOn?: WalletDevice): Promise<Result> {
     const network = this.context.NetworkController as NetworkController;
     const { transactions } = this.state;
     transaction = normalizeTransaction(transaction);
@@ -434,6 +446,7 @@ export class TransactionController extends BaseController<TransactionConfig, Tra
       status: TransactionStatus.unapproved as TransactionStatus.unapproved,
       time: Date.now(),
       transaction,
+      deviceConfirmedOn,
     };
 
     try {
diff --git a/src/user/AddressBookController.ts b/src/user/AddressBookController.ts
index 5f1084e900..b64b918908 100644
--- a/src/user/AddressBookController.ts
+++ b/src/user/AddressBookController.ts
@@ -9,10 +9,12 @@ import BaseController, { BaseConfig, BaseState } from '../BaseController';
  *
  * @property address - Hex address of a recipient account
  * @property name - Nickname associated with this address
+ * @property importTime - Data time when an account as created/imported
  */
 export interface ContactEntry {
   address: string;
   name: string;
+  importTime?: number;
 }
 
 /**
diff --git a/src/user/PreferencesController.test.ts b/src/user/PreferencesController.test.ts
index a418cbde40..657ceaac61 100644
--- a/src/user/PreferencesController.test.ts
+++ b/src/user/PreferencesController.test.ts
@@ -17,12 +17,9 @@ describe('PreferencesController', () => {
     const controller = new PreferencesController();
     controller.addIdentities(['foo']);
     controller.addIdentities(['foo']);
-    expect(controller.state.identities).toEqual({
-      '0xfoO': {
-        address: '0xfoO',
-        name: 'Account 1',
-      },
-    });
+    expect(controller.state.identities['0xfoO'].address).toEqual('0xfoO');
+    expect(controller.state.identities['0xfoO'].name).toEqual('Account 1');
+    expect(controller.state.identities['0xfoO'].importTime).toBeLessThanOrEqual(Date.now());
   });
 
   it('should remove identity', () => {
@@ -49,24 +46,27 @@ describe('PreferencesController', () => {
     const controller = new PreferencesController();
     controller.addIdentities(['foo', 'bar']);
     controller.syncIdentities(['foo', 'bar']);
-    expect(controller.state.identities).toEqual({
-      '0xbar': { address: '0xbar', name: 'Account 2' },
-      '0xfoO': { address: '0xfoO', name: 'Account 1' },
-    });
+    expect(controller.state.identities['0xfoO'].address).toEqual('0xfoO');
+    expect(controller.state.identities['0xfoO'].name).toEqual('Account 1');
+    expect(controller.state.identities['0xfoO'].importTime).toBeLessThanOrEqual(Date.now());
+    expect(controller.state.identities['0xbar'].address).toEqual('0xbar');
+    expect(controller.state.identities['0xbar'].name).toEqual('Account 2');
+    expect(controller.state.identities['0xbar'].importTime).toBeLessThanOrEqual(Date.now());
     controller.syncIdentities(['foo']);
-    expect(controller.state.identities).toEqual({
-      '0xfoO': { address: '0xfoO', name: 'Account 1' },
-    });
+    expect(controller.state.identities['0xfoO'].address).toEqual('0xfoO');
+    expect(controller.state.identities['0xfoO'].name).toEqual('Account 1');
     expect(controller.state.selectedAddress).toBe('0xfoO');
   });
 
   it('should add new identities', () => {
     const controller = new PreferencesController();
     controller.updateIdentities(['foo', 'bar']);
-    expect(controller.state.identities).toEqual({
-      '0xbar': { address: '0xbar', name: 'Account 2' },
-      '0xfoO': { address: '0xfoO', name: 'Account 1' },
-    });
+    expect(controller.state.identities['0xfoO'].address).toEqual('0xfoO');
+    expect(controller.state.identities['0xfoO'].name).toEqual('Account 1');
+    expect(controller.state.identities['0xfoO'].importTime).toBeLessThanOrEqual(Date.now());
+    expect(controller.state.identities['0xbar'].address).toEqual('0xbar');
+    expect(controller.state.identities['0xbar'].name).toEqual('Account 2');
+    expect(controller.state.identities['0xbar'].importTime).toBeLessThanOrEqual(Date.now());
   });
 
   it('should not update existing identities', () => {
@@ -75,10 +75,12 @@ describe('PreferencesController', () => {
       { identities: { '0xbar': { address: '0xbar', name: 'Custom name' } } },
     );
     controller.updateIdentities(['foo', 'bar']);
-    expect(controller.state.identities).toEqual({
-      '0xbar': { address: '0xbar', name: 'Custom name' },
-      '0xfoO': { address: '0xfoO', name: 'Account 1' },
-    });
+    expect(controller.state.identities['0xfoO'].address).toEqual('0xfoO');
+    expect(controller.state.identities['0xfoO'].name).toEqual('Account 1');
+    expect(controller.state.identities['0xfoO'].importTime).toBeLessThanOrEqual(Date.now());
+    expect(controller.state.identities['0xbar'].address).toEqual('0xbar');
+    expect(controller.state.identities['0xbar'].name).toEqual('Custom name');
+    expect(controller.state.identities['0xbar'].importTime).toBeUndefined();
   });
 
   it('should remove identities', () => {
diff --git a/src/user/PreferencesController.ts b/src/user/PreferencesController.ts
index 686ba03106..4d952770cf 100644
--- a/src/user/PreferencesController.ts
+++ b/src/user/PreferencesController.ts
@@ -90,7 +90,7 @@ export class PreferencesController extends BaseController<BaseConfig, Preference
       }
       const identityCount = Object.keys(identities).length;
 
-      identities[address] = { name: `Account ${identityCount + 1}`, address };
+      identities[address] = { name: `Account ${identityCount + 1}`, address, importTime: Date.now() };
     });
     this.update({ identities: { ...identities } });
   }
@@ -187,6 +187,7 @@ export class PreferencesController extends BaseController<BaseConfig, Preference
       ids[address] = oldIdentities[address] || {
         address,
         name: `Account ${index + 1}`,
+        importTime: Date.now(),
       };
       return ids;
     }, {});