diff --git a/keyserver/src/deleters/siwe-nonce-deleters.js b/keyserver/src/deleters/siwe-nonce-deleters.js
--- a/keyserver/src/deleters/siwe-nonce-deleters.js
+++ b/keyserver/src/deleters/siwe-nonce-deleters.js
@@ -1,12 +1,12 @@
 // @flow
 
-import { dbQuery, SQL } from '../database/database.js';
+import { legacyKeyserverSIWENonceLifetime } from 'lib/types/siwe-types.js';
 
-// 30 minutes = 30min * 60sec * 1000ms
-export const nonceLifetime = 30 * 60 * 1000;
+import { dbQuery, SQL } from '../database/database.js';
 
 async function deleteStaleSIWENonceEntries(): Promise<void> {
-  const earliestValidCreationTime = Date.now() - nonceLifetime;
+  const earliestValidCreationTime =
+    Date.now() - legacyKeyserverSIWENonceLifetime;
   const query = SQL`
     DELETE FROM siwe_nonces
     WHERE creation_time < ${earliestValidCreationTime}
@@ -17,7 +17,8 @@
 async function checkAndInvalidateSIWENonceEntry(
   nonce: string,
 ): Promise<boolean> {
-  const earliestValidCreationTime = Date.now() - nonceLifetime;
+  const earliestValidCreationTime =
+    Date.now() - legacyKeyserverSIWENonceLifetime;
   const query = SQL`
     DELETE FROM siwe_nonces
     WHERE nonce = ${nonce} AND creation_time > ${earliestValidCreationTime}
diff --git a/lib/types/siwe-types.js b/lib/types/siwe-types.js
--- a/lib/types/siwe-types.js
+++ b/lib/types/siwe-types.js
@@ -149,3 +149,6 @@
   +message: string,
   +signature: string,
 };
+
+export const legacyKeyserverSIWENonceLifetime = 30 * 60 * 1000; // 30 minutes
+export const identitySIWENonceLifetime = 2 * 60 * 1000; // 2 minutes
diff --git a/native/account/registration/ethereum-utils.js b/native/account/registration/ethereum-utils.js
--- a/native/account/registration/ethereum-utils.js
+++ b/native/account/registration/ethereum-utils.js
@@ -4,7 +4,12 @@
 import * as React from 'react';
 
 import { ENSCacheContext } from 'lib/components/ens-cache-provider.react.js';
-import type { SIWEResult } from 'lib/types/siwe-types.js';
+import {
+  type SIWEResult,
+  identitySIWENonceLifetime,
+  legacyKeyserverSIWENonceLifetime,
+} from 'lib/types/siwe-types.js';
+import { usingCommServicesAccessToken } from 'lib/utils/services-utils.js';
 
 import { RegistrationContext } from './registration-context.js';
 import {
@@ -57,4 +62,11 @@
   );
 }
 
-export { useGetEthereumAccountFromSIWEResult };
+function siweNonceExpired(nonceTimestamp: number): boolean {
+  const nonceLifetime = usingCommServicesAccessToken
+    ? identitySIWENonceLifetime
+    : legacyKeyserverSIWENonceLifetime;
+  return Date.now() > nonceTimestamp + nonceLifetime;
+}
+
+export { useGetEthereumAccountFromSIWEResult, siweNonceExpired };