diff --git a/app/actions/balancesActions.js b/app/actions/balancesActions.js
index 5e67cece6..4bce2df24 100644
--- a/app/actions/balancesActions.js
+++ b/app/actions/balancesActions.js
@@ -13,7 +13,7 @@ import { COIN_DECIMAL_LENGTH } from '../core/formatters'
 import { toBigNumber } from '../core/math'
 import { findNetworkByDeprecatedLabel } from '../core/networks'
 
-const MAX_SCRIPT_HASH_CHUNK_SIZE = 3
+const MAX_SCRIPT_HASH_CHUNK_SIZE = 10
 
 type Props = {
   net: string,
diff --git a/app/core/nodes-main-net.json b/app/core/nodes-main-net.json
index 842ad9596..51563b47e 100644
--- a/app/core/nodes-main-net.json
+++ b/app/core/nodes-main-net.json
@@ -43,5 +43,14 @@
   },
   {
     "url": "https://m5.neo.nash.io"
+  },
+  {
+    "url": "https://mainnet1.neo2.coz.io:443"
+  },
+  {
+    "url": "https://mainnet2.neo2.coz.io:443"
+  },
+  {
+    "url": "https://mainnet3.neo2.coz.io:443"
   }
 ]