diff --git a/lib/types/crypto-types.js b/lib/types/crypto-types.js
--- a/lib/types/crypto-types.js
+++ b/lib/types/crypto-types.js
@@ -5,7 +5,14 @@
   +curve25519: string,
 };
 
+export type PickledOLMAccount = {
+  +picklingKey: string,
+  +pickledAccount: string,
+};
+
 export type CryptoStore = {
+  +primaryAccount: ?PickledOLMAccount,
   +primaryIdentityKeys: ?OLMIdentityKeys,
+  +notificationAccount: ?PickledOLMAccount,
   +notificationIdentityKeys: ?OLMIdentityKeys,
 };
diff --git a/web/redux/crypto-store-reducer.js b/web/redux/crypto-store-reducer.js
--- a/web/redux/crypto-store-reducer.js
+++ b/web/redux/crypto-store-reducer.js
@@ -29,7 +29,9 @@
       action.payload.sessionChange.cookieInvalidated)
   ) {
     return {
+      primaryAccount: null,
       primaryIdentityKeys: null,
+      notificationAccount: null,
       notificationIdentityKeys: null,
     };
   }
diff --git a/web/root.js b/web/root.js
--- a/web/root.js
+++ b/web/root.js
@@ -30,7 +30,9 @@
     return {
       ...stateWithoutPrimaryIdentityPublicKey,
       cryptoStore: {
+        primaryAccount: null,
         primaryIdentityKeys: null,
+        notificationAccount: null,
         notificationIdentityKeys: null,
       },
     };