diff --git a/app/ajax/service.js b/app/ajax/service.js
index b026d93b..f7de16e1 100644
--- a/app/ajax/service.js
+++ b/app/ajax/service.js
@@ -26,7 +26,7 @@ export default AjaxService.extend({
     } finally {
       promise.xhr.abort();
     }
-  }).enqueue().maxConcurrency(5),
+  }).enqueue().maxConcurrency(10),
 
   request(...args) {
     const originalFn = this._super;
diff --git a/app/index/route.js b/app/index/route.js
index a8edfbc2..a8a0f690 100644
--- a/app/index/route.js
+++ b/app/index/route.js
@@ -12,7 +12,6 @@ export default Route.extend({
     if (!wallet) {
       transaction.abort();
       wallet = await this.store.createRecord('wallet').save();
-      settings.setProperties(this.store.serialize(wallet, { includeId: true }));
       return this.transitionTo('wallets', wallet);
     }
 
diff --git a/app/rpc/service.js b/app/rpc/service.js
index ab8704b3..600d178e 100644
--- a/app/rpc/service.js
+++ b/app/rpc/service.js
@@ -6,12 +6,13 @@ import { service } from 'ember-decorators/service';
 
 export const actions = {
   WALLET_CREATE: 'wallet_create',
+  WALLET_BALANCE_TOTAL: 'wallet_balance_total',
+  WALLET_CHANGE_SEED: 'wallet_change_seed',
   ACCOUNT_CREATE: 'account_create',
   ACCOUNT_INFO: 'account_info',
-  WALLET_BALANCE_TOTAL: 'wallet_balance_total',
   ACCOUNT_LIST: 'account_list',
-  SEND: 'send',
   ACCOUNT_HISTORY: 'account_history',
+  SEND: 'send',
   PEERS: 'peers',
   BLOCK_COUNT: 'block_count',
 };
@@ -28,6 +29,15 @@ export default Service.extend({
     return this.call(actions.WALLET_CREATE);
   },
 
+  walletBalanceTotal(wallet) {
+    return this.call(actions.WALLET_BALANCE_TOTAL, { wallet });
+  },
+
+  async walletChangeSeed() {
+    const { success } = this.call(actions.WALLET_CHANGE_SEED);
+    return success === '';
+  },
+
   accountCreate(wallet) {
     return this.call(actions.ACCOUNT_CREATE, { wallet });
   },
@@ -50,23 +60,10 @@ export default Service.extend({
     return info;
   },
 
-  walletBalanceTotal(wallet) {
-    return this.call(actions.WALLET_BALANCE_TOTAL, { wallet });
-  },
-
   accountList(wallet) {
     return this.call(actions.ACCOUNT_LIST, { wallet });
   },
 
-  send(wallet, source, destination, amount) {
-    return this.call(actions.SEND, {
-      wallet,
-      source,
-      destination,
-      amount,
-    });
-  },
-
   async accountHistory(account, count = 1) {
     const { history } = await this.call(actions.ACCOUNT_HISTORY, {
       account,
@@ -76,18 +73,19 @@ export default Service.extend({
     return A(history);
   },
 
-  async peers() {
-    const { peers } = await this.call(actions.PEERS);
+  send(wallet, source, destination, amount) {
+    return this.call(actions.SEND, {
+      wallet,
+      source,
+      destination,
+      amount,
+    });
+  },
 
+  async peers() {
     // When there are no peers, the RPC replies with an empty string.
-    if (!peers) {
-      return Object.create(null);
-    }
-
-    return Object.entries(peers).reduce((acc, [key, value]) => {
-      acc[key] = parseInt(value, 10);
-      return acc;
-    }, Object.create(null));
+    const { peers } = await this.call(actions.PEERS);
+    return peers || {};
   },
 
   blockCount() {
diff --git a/app/wallet/model.js b/app/wallet/model.js
index d15b62d9..1658fbab 100644
--- a/app/wallet/model.js
+++ b/app/wallet/model.js
@@ -6,4 +6,5 @@ export default DS.Model.extend({
   @hasMany('account', { async: true }) accounts: null,
 
   @attr('big-number') balance: null,
+  @attr('big-number') pending: null,
 });
diff --git a/app/wallets/route.js b/app/wallets/route.js
index 6c74252a..cf32ff8e 100644
--- a/app/wallets/route.js
+++ b/app/wallets/route.js
@@ -1,4 +1,13 @@
 import Route from '@ember/routing/route';
 
+import { service } from 'ember-decorators/service';
+
 export default Route.extend({
+  @service settings: null,
+
+  async afterModel(model) {
+    const settings = this.get('settings');
+    const serialized = this.store.serialize(model, { includeId: true });
+    settings.setProperties(serialized);
+  },
 });