diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e7f216e..f92554a1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # CHANGELOG
 
+## master
+
+Contributed:
+
+- Always use `bigint` type to indicate instance (Thanks to https://github.com/ntduan)
+
+
 ## 0.84.3 Aug 2, 2021
 
 Changes:
diff --git a/package.json b/package.json
index 250be364..2d00062b 100644
--- a/package.json
+++ b/package.json
@@ -29,10 +29,10 @@
   },
   "devDependencies": {
     "@babel/core": "^7.15.0",
-    "@babel/runtime": "^7.14.8",
-    "@polkadot/dev": "^0.62.58",
+    "@babel/runtime": "^7.15.3",
+    "@polkadot/dev": "^0.62.59",
     "@polkadot/ts": "^0.4.4",
-    "@polkadot/x-bundle": "^7.1.1",
+    "@polkadot/x-bundle": "^7.1.3-3",
     "@types/jest": "^26.0.24",
     "babel-plugin-transform-vue-template": "^0.4.2",
     "empty": "^0.10.1",
diff --git a/packages/example-react/package.json b/packages/example-react/package.json
index bec05ba4..cfe1aead 100644
--- a/packages/example-react/package.json
+++ b/packages/example-react/package.json
@@ -7,6 +7,6 @@
   "maintainers": [],
   "license": "Apache-2.0",
   "dependencies": {
-    "@babel/runtime": "^7.14.8"
+    "@babel/runtime": "^7.15.3"
   }
 }
diff --git a/packages/example-vue/package.json b/packages/example-vue/package.json
index 04b77814..2c5883d8 100644
--- a/packages/example-vue/package.json
+++ b/packages/example-vue/package.json
@@ -7,6 +7,6 @@
   "maintainers": [],
   "license": "Apache-2.0",
   "dependencies": {
-    "@babel/runtime": "^7.14.8"
+    "@babel/runtime": "^7.15.3"
   }
 }
diff --git a/packages/exampleReactNative/package.json b/packages/exampleReactNative/package.json
index d995b61b..60909e9f 100644
--- a/packages/exampleReactNative/package.json
+++ b/packages/exampleReactNative/package.json
@@ -12,12 +12,12 @@
     "test": "jest"
   },
   "dependencies": {
-    "@polkadot/keyring": "^7.1.1",
+    "@polkadot/keyring": "^7.1.3-3",
     "@polkadot/reactnative-identicon": "0.84.4-0",
     "@polkadot/ui-keyring": "0.84.4-0",
     "@polkadot/ui-settings": "0.84.4-0",
-    "@polkadot/util": "^7.1.1",
-    "@polkadot/util-crypto": "^7.1.1",
+    "@polkadot/util": "^7.1.3-3",
+    "@polkadot/util-crypto": "^7.1.3-3",
     "@react-native-community/async-storage": "^1.12.1",
     "fast-text-encoding": "^1.0.3",
     "get-yarn-workspaces": "^1.0.2",
@@ -31,7 +31,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.15.0",
-    "@babel/runtime": "^7.14.8",
+    "@babel/runtime": "^7.15.3",
     "@react-native-community/cli-platform-ios": "^5.0.2",
     "@types/react-test-renderer": "17.0.1",
     "babel-jest": "^27.0.6",
diff --git a/packages/react-identicon/package.json b/packages/react-identicon/package.json
index de94e378..0a315cd0 100644
--- a/packages/react-identicon/package.json
+++ b/packages/react-identicon/package.json
@@ -12,12 +12,12 @@
   "maintainers": [],
   "license": "Apache-2.0",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
-    "@polkadot/keyring": "^7.1.1",
+    "@babel/runtime": "^7.15.3",
+    "@polkadot/keyring": "^7.1.3-3",
     "@polkadot/ui-settings": "0.84.4-0",
     "@polkadot/ui-shared": "0.84.4-0",
-    "@polkadot/util": "^7.1.1",
-    "@polkadot/util-crypto": "^7.1.1",
+    "@polkadot/util": "^7.1.3-3",
+    "@polkadot/util-crypto": "^7.1.3-3",
     "color": "^3.2.1",
     "ethereum-blockies-base64": "^1.0.2",
     "jdenticon": "3.1.0",
diff --git a/packages/react-qr/package.json b/packages/react-qr/package.json
index 334c36d9..48ab95bc 100644
--- a/packages/react-qr/package.json
+++ b/packages/react-qr/package.json
@@ -9,9 +9,9 @@
   "maintainers": [],
   "license": "Apache-2.0",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
-    "@polkadot/util": "^7.1.1",
-    "@polkadot/util-crypto": "^7.1.1",
+    "@babel/runtime": "^7.15.3",
+    "@polkadot/util": "^7.1.3-3",
+    "@polkadot/util-crypto": "^7.1.3-3",
     "qrcode-generator": "^1.4.4",
     "react-qr-reader": "^2.2.1",
     "styled-components": "^5.3.0"
diff --git a/packages/reactnative-identicon/package.json b/packages/reactnative-identicon/package.json
index bed9e8de..b9804b1d 100644
--- a/packages/reactnative-identicon/package.json
+++ b/packages/reactnative-identicon/package.json
@@ -12,10 +12,10 @@
   "maintainers": [],
   "license": "Apache-2.0",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
+    "@babel/runtime": "^7.15.3",
     "@polkadot/ui-shared": "0.84.4-0",
-    "@polkadot/util": "^7.1.1",
-    "@polkadot/util-crypto": "^7.1.1",
+    "@polkadot/util": "^7.1.3-3",
+    "@polkadot/util-crypto": "^7.1.3-3",
     "react-native-svg": "^12.1.1"
   },
   "peerDependencies": {
@@ -25,6 +25,6 @@
     "react-native": "*"
   },
   "devDependencies": {
-    "@types/react-native": "^0.64.12"
+    "@types/react-native": "^0.64.13"
   }
 }
diff --git a/packages/ui-assets/package.json b/packages/ui-assets/package.json
index f72ae022..2ea55788 100644
--- a/packages/ui-assets/package.json
+++ b/packages/ui-assets/package.json
@@ -7,6 +7,6 @@
   "maintainers": [],
   "license": "Apache-2.0",
   "dependencies": {
-    "@babel/runtime": "^7.14.8"
+    "@babel/runtime": "^7.15.3"
   }
 }
diff --git a/packages/ui-keyring/package.json b/packages/ui-keyring/package.json
index f75e127f..247730a4 100644
--- a/packages/ui-keyring/package.json
+++ b/packages/ui-keyring/package.json
@@ -13,11 +13,11 @@
   "contributors": [],
   "license": "Apache-2.0",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
-    "@polkadot/hw-ledger": "^7.1.1",
-    "@polkadot/keyring": "^7.1.1",
+    "@babel/runtime": "^7.15.3",
+    "@polkadot/hw-ledger": "^7.1.3-3",
+    "@polkadot/keyring": "^7.1.3-3",
     "@polkadot/ui-settings": "0.84.4-0",
-    "@polkadot/util": "^7.1.1",
+    "@polkadot/util": "^7.1.3-3",
     "mkdirp": "^1.0.4",
     "rxjs": "^7.3.0",
     "store": "^2.0.12"
diff --git a/packages/ui-settings/package.json b/packages/ui-settings/package.json
index 2bc5ac34..9ca60153 100644
--- a/packages/ui-settings/package.json
+++ b/packages/ui-settings/package.json
@@ -9,9 +9,9 @@
   "maintainers": [],
   "license": "Apache-2.0",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
-    "@polkadot/networks": "^7.1.1",
-    "@polkadot/util": "^7.1.1",
+    "@babel/runtime": "^7.15.3",
+    "@polkadot/networks": "^7.1.3-3",
+    "@polkadot/util": "^7.1.3-3",
     "eventemitter3": "^4.0.7",
     "store": "^2.0.12"
   },
diff --git a/packages/ui-shared/package.json b/packages/ui-shared/package.json
index 3199e0f9..0c0c1fa6 100644
--- a/packages/ui-shared/package.json
+++ b/packages/ui-shared/package.json
@@ -9,7 +9,7 @@
   "maintainers": [],
   "license": "Apache-2.0",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
+    "@babel/runtime": "^7.15.3",
     "color": "^3.2.1"
   },
   "peerDependencies": {
@@ -17,8 +17,8 @@
     "@polkadot/util-crypto": "*"
   },
   "devDependencies": {
-    "@polkadot/util": "^7.1.1",
-    "@polkadot/util-crypto": "^7.1.1",
+    "@polkadot/util": "^7.1.3-3",
+    "@polkadot/util-crypto": "^7.1.3-3",
     "@types/color": "^3.0.2",
     "@types/xmlserializer": "^0.6.2"
   }
diff --git a/packages/vue-identicon/package.json b/packages/vue-identicon/package.json
index cc457894..076a6373 100644
--- a/packages/vue-identicon/package.json
+++ b/packages/vue-identicon/package.json
@@ -12,10 +12,10 @@
   ],
   "license": "Apache-2.0",
   "dependencies": {
-    "@babel/runtime": "^7.14.8",
+    "@babel/runtime": "^7.15.3",
     "@polkadot/ui-shared": "0.84.4-0",
-    "@polkadot/util": "^7.1.1",
-    "@polkadot/util-crypto": "^7.1.1",
+    "@polkadot/util": "^7.1.3-3",
+    "@polkadot/util-crypto": "^7.1.3-3",
     "jdenticon": "3.1.0"
   },
   "peerDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 67825855..21c56e83 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1461,12 +1461,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/runtime@npm:^7.14.6, @babel/runtime@npm:^7.14.8, @babel/runtime@npm:^7.8.4":
-  version: 7.14.8
-  resolution: "@babel/runtime@npm:7.14.8"
+"@babel/runtime@npm:^7.14.6, @babel/runtime@npm:^7.14.8, @babel/runtime@npm:^7.15.3, @babel/runtime@npm:^7.8.4":
+  version: 7.15.3
+  resolution: "@babel/runtime@npm:7.15.3"
   dependencies:
     regenerator-runtime: ^0.13.4
-  checksum: d2dd0ce51ddab78ac93928b04042425145d0dc8cc2b70150d47934f8703f55702eb0b2894f9bd47f66794ad04d8bb03a6a847d0138fbb7aa0b970b5ccd5cc8b7
+  checksum: 2f0b8d2d4e36035ab1d84af0ec26aafa098536870f27c8e07de0a0e398f7a394fdea68a88165535ffb52ded6a68912bdc3450bdf91f229eb132e1c89470789f5
   languageName: node
   linkType: hard
 
@@ -1941,15 +1941,15 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@ledgerhq/hw-transport-webhid@npm:^6.3.0":
-  version: 6.3.0
-  resolution: "@ledgerhq/hw-transport-webhid@npm:6.3.0"
+"@ledgerhq/hw-transport-webhid@npm:^6.4.1":
+  version: 6.4.1
+  resolution: "@ledgerhq/hw-transport-webhid@npm:6.4.1"
   dependencies:
     "@ledgerhq/devices": ^6.3.0
     "@ledgerhq/errors": ^6.2.0
     "@ledgerhq/hw-transport": ^6.3.0
     "@ledgerhq/logs": ^6.2.0
-  checksum: 45b422af8a5e14f503a53e3a275c202631d1a21b190a3ad9707c47272073d6347309502666e4893c9cc210d801acfe4d55a0403b36f510748bd15c63171031a0
+  checksum: a01f9f26c1d49662cb7eeeace6de3bc65698f99f5cfe4ffdd5681ff3362737e2a577c1ceeaa0e90a9fab391f4cf630ab45cbacd02e02c6c0021f623342f37f94
   languageName: node
   linkType: hard
 
@@ -2162,9 +2162,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/dev@npm:^0.62.58":
-  version: 0.62.58
-  resolution: "@polkadot/dev@npm:0.62.58"
+"@polkadot/dev@npm:^0.62.59":
+  version: 0.62.59
+  resolution: "@polkadot/dev@npm:0.62.59"
   dependencies:
     "@babel/cli": ^7.14.8
     "@babel/core": ^7.15.0
@@ -2251,7 +2251,7 @@ __metadata:
     polkadot-exec-rollup: scripts/polkadot-exec-rollup.cjs
     polkadot-exec-tsc: scripts/polkadot-exec-tsc.cjs
     polkadot-exec-webpack: scripts/polkadot-exec-webpack.cjs
-  checksum: 10dfbc5b2afa1131a6643b69777e13c9d298a6e15c743a475f2eaa4849e44372cd22672ad838010a31cd7b0428ac5326f4dd6a75dbf9c3864c1044e858416a63
+  checksum: 2955f2b907bd23447b98f3b567284cb994ad0f75b6564286dfa96d90b072fc58ca7333865768a76c887e31ead100e4b9f6da476c90046d7ac38b40f4110a091e
   languageName: node
   linkType: hard
 
@@ -2259,7 +2259,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/example-react@workspace:packages/example-react"
   dependencies:
-    "@babel/runtime": ^7.14.8
+    "@babel/runtime": ^7.15.3
   languageName: unknown
   linkType: soft
 
@@ -2267,58 +2267,58 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/example-vue@workspace:packages/example-vue"
   dependencies:
-    "@babel/runtime": ^7.14.8
+    "@babel/runtime": ^7.15.3
   languageName: unknown
   linkType: soft
 
-"@polkadot/hw-ledger-transports@npm:7.1.1":
-  version: 7.1.1
-  resolution: "@polkadot/hw-ledger-transports@npm:7.1.1"
+"@polkadot/hw-ledger-transports@npm:7.1.3-3":
+  version: 7.1.3-3
+  resolution: "@polkadot/hw-ledger-transports@npm:7.1.3-3"
   dependencies:
-    "@babel/runtime": ^7.14.8
+    "@babel/runtime": ^7.15.3
     "@ledgerhq/hw-transport": ^6.3.0
     "@ledgerhq/hw-transport-node-hid-singleton": ^6.3.0
-    "@ledgerhq/hw-transport-webhid": ^6.3.0
+    "@ledgerhq/hw-transport-webhid": ^6.4.1
     "@ledgerhq/hw-transport-webusb": ^6.3.0
   dependenciesMeta:
     "@ledgerhq/hw-transport-node-hid-singleton":
       optional: true
-  checksum: 033bf2d30308861f03b5308ef4fa2257dde601acc46b5df87fdc4a4de2afbb99874d4793f0f6d56637a748582d9cf04f8b97a073af0115d5b9991a24d2e281e6
+  checksum: 14d50acc2c49554fc7b45633b7d699181af02313fb1248db08140378f333ef269de65b51d64a29f6fc90089b687dd1fd1a756778bca13a39bc01357066892828
   languageName: node
   linkType: hard
 
-"@polkadot/hw-ledger@npm:^7.1.1":
-  version: 7.1.1
-  resolution: "@polkadot/hw-ledger@npm:7.1.1"
+"@polkadot/hw-ledger@npm:^7.1.3-3":
+  version: 7.1.3-3
+  resolution: "@polkadot/hw-ledger@npm:7.1.3-3"
   dependencies:
-    "@babel/runtime": ^7.14.8
-    "@polkadot/hw-ledger-transports": 7.1.1
-    "@polkadot/util": ^7.1.1
+    "@babel/runtime": ^7.15.3
+    "@polkadot/hw-ledger-transports": 7.1.3-3
+    "@polkadot/util": 7.1.3-3
     "@zondax/ledger-substrate": ^0.17.3
-  checksum: e2d1fd9c3a944904b4148641249ec3e7c41977dc20d81da5321e0fcb2ef93a5d1ae0163c98475163e2cb4d9308f4030773283e1194fa2cb6d6cbd95f2f94631e
+  checksum: 854c4d2ee3fc827acc785facc00a37b2e6c59c5440cc980d88f70713d6723d6a72b740f8b39c69e6d9e5b5b91527ea74625a9d25bd1a498d2824ebf9da4d5009
   languageName: node
   linkType: hard
 
-"@polkadot/keyring@npm:^7.1.1":
-  version: 7.1.1
-  resolution: "@polkadot/keyring@npm:7.1.1"
+"@polkadot/keyring@npm:^7.1.3-3":
+  version: 7.1.3-3
+  resolution: "@polkadot/keyring@npm:7.1.3-3"
   dependencies:
-    "@babel/runtime": ^7.14.8
-    "@polkadot/util": 7.1.1
-    "@polkadot/util-crypto": 7.1.1
+    "@babel/runtime": ^7.15.3
+    "@polkadot/util": 7.1.3-3
+    "@polkadot/util-crypto": 7.1.3-3
   peerDependencies:
-    "@polkadot/util": 7.1.1
-    "@polkadot/util-crypto": 7.1.1
-  checksum: 5600b0eea911f0cc0725091f153aeb71e92825c8c24a43d360634d74037b3078cd893b508e3297046a39a4b2a960e578636b242e61e9852dcb488b5becb0471c
+    "@polkadot/util": 7.1.3-3
+    "@polkadot/util-crypto": 7.1.3-3
+  checksum: 06b21fda3d023749ba29e7e43e797b489e6917a8eee60cbc9e78cee412d471019fd5d0238d59609da4ede5dc862130ec872bea7650feca2227bd21d136e49f9e
   languageName: node
   linkType: hard
 
-"@polkadot/networks@npm:7.1.1, @polkadot/networks@npm:^7.1.1":
-  version: 7.1.1
-  resolution: "@polkadot/networks@npm:7.1.1"
+"@polkadot/networks@npm:7.1.3-3, @polkadot/networks@npm:^7.1.3-3":
+  version: 7.1.3-3
+  resolution: "@polkadot/networks@npm:7.1.3-3"
   dependencies:
-    "@babel/runtime": ^7.14.8
-  checksum: 85cc0aec74d6a927c2757ce1c6a2ccf77970b9b7495383f731191178752d9b2a815aad7355094dcdf7cd2762ef28101921925733a8a459cb84902c541cf57d94
+    "@babel/runtime": ^7.15.3
+  checksum: 87cab47a496372299a33e57f59fb2b34bc896e5819adb5483e40abe349bcde2cb8fd46f1b07cd208453c844e33491adf54f6a5c0aff88361059e4ce7b140d78e
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@@ -2326,12 +2326,12 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/react-identicon@workspace:packages/react-identicon"
   dependencies:
-    "@babel/runtime": ^7.14.8
-    "@polkadot/keyring": ^7.1.1
+    "@babel/runtime": ^7.15.3
+    "@polkadot/keyring": ^7.1.3-3
     "@polkadot/ui-settings": 0.84.4-0
     "@polkadot/ui-shared": 0.84.4-0
-    "@polkadot/util": ^7.1.1
-    "@polkadot/util-crypto": ^7.1.1
+    "@polkadot/util": ^7.1.3-3
+    "@polkadot/util-crypto": ^7.1.3-3
     "@types/react-copy-to-clipboard": ^5.0.1
     "@types/react-dom": ^17.0.9
     "@types/styled-components": ^5.1.12
@@ -2356,9 +2356,9 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/react-qr@workspace:packages/react-qr"
   dependencies:
-    "@babel/runtime": ^7.14.8
-    "@polkadot/util": ^7.1.1
-    "@polkadot/util-crypto": ^7.1.1
+    "@babel/runtime": ^7.15.3
+    "@polkadot/util": ^7.1.3-3
+    "@polkadot/util-crypto": ^7.1.3-3
     "@types/react-qr-reader": ^2.1.4
     "@types/styled-components": ^5.1.12
     qrcode-generator: ^1.4.4
@@ -2377,11 +2377,11 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/reactnative-identicon@workspace:packages/reactnative-identicon"
   dependencies:
-    "@babel/runtime": ^7.14.8
+    "@babel/runtime": ^7.15.3
     "@polkadot/ui-shared": 0.84.4-0
-    "@polkadot/util": ^7.1.1
-    "@polkadot/util-crypto": ^7.1.1
-    "@types/react-native": ^0.64.12
+    "@polkadot/util": ^7.1.3-3
+    "@polkadot/util-crypto": ^7.1.3-3
+    "@types/react-native": ^0.64.13
     react-native-svg: ^12.1.1
   peerDependencies:
     "@polkadot/util": "*"
@@ -2404,7 +2404,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/ui-assets@workspace:packages/ui-assets"
   dependencies:
-    "@babel/runtime": ^7.14.8
+    "@babel/runtime": ^7.15.3
   languageName: unknown
   linkType: soft
 
@@ -2412,11 +2412,11 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/ui-keyring@workspace:packages/ui-keyring"
   dependencies:
-    "@babel/runtime": ^7.14.8
-    "@polkadot/hw-ledger": ^7.1.1
-    "@polkadot/keyring": ^7.1.1
+    "@babel/runtime": ^7.15.3
+    "@polkadot/hw-ledger": ^7.1.3-3
+    "@polkadot/keyring": ^7.1.3-3
     "@polkadot/ui-settings": 0.84.4-0
-    "@polkadot/util": ^7.1.1
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-  resolution: "@types/react-native@npm:0.64.12"
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-    "@polkadot/keyring": ^7.1.1
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-    "@babel/runtime": ^7.14.8
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