diff --git a/both/i18n/en-us.i18n.yml b/both/i18n/en-us.i18n.yml
index b8de50cd9..99b4947fb 100644
--- a/both/i18n/en-us.i18n.yml
+++ b/both/i18n/en-us.i18n.yml
@@ -24,8 +24,8 @@ common:
     retry: 'Retry'
     rewards: 'Rewards'
 navbar:
-    siteName: 'The Big Dipper'
-    version: 'beta'
+    siteName: 'BIG DIPPER'
+    version: '-'
     validators: 'Validators'
     blocks: 'Blocks'
     transactions: 'Transactions'
diff --git a/both/i18n/es-es.i18n.yml b/both/i18n/es-es.i18n.yml
index b2d1c1c8f..905e8c554 100644
--- a/both/i18n/es-es.i18n.yml
+++ b/both/i18n/es-es.i18n.yml
@@ -23,8 +23,7 @@ common:
     cancel: 'Cancelar'
     retry: 'Reintentar'
 navbar:
-    siteName: 'The Big Dipper'
-    version: 'beta'
+    siteName: 'BIG DIPPER'
     validators: 'Validadores'
     blocks: 'Bloques'
     transactions: 'Transacciones'
diff --git a/both/i18n/it-IT.i18n.yml b/both/i18n/it-IT.i18n.yml
index 6b6f823cb..2d12bb8d0 100644
--- a/both/i18n/it-IT.i18n.yml
+++ b/both/i18n/it-IT.i18n.yml
@@ -24,8 +24,7 @@ common:
     retry: 'Riprova'
     rewards: 'Reward'
 navbar:
-    siteName: 'The Big Dipper'
-    version: 'beta'
+    siteName: 'BIG DIPPER'
     validators: 'Validatori'
     blocks: 'Blocchi'
     transactions: 'Transazioni'
diff --git a/both/i18n/pl-PL.i18n.yml b/both/i18n/pl-PL.i18n.yml
index 7e36b0e93..02cad4339 100644
--- a/both/i18n/pl-PL.i18n.yml
+++ b/both/i18n/pl-PL.i18n.yml
@@ -25,7 +25,6 @@ common:
     rewards: 'Nagrody'
 navbar:
     siteName: 'Wielki Wóz'
-    version: 'beta'
     validators: 'Walidatorzy'
     blocks: 'Bloki'
     transactions: 'Transakcje'
diff --git a/both/i18n/pt-BR.i18n.yml b/both/i18n/pt-BR.i18n.yml
index 5ab1ede8d..e2a6cb4a7 100644
--- a/both/i18n/pt-BR.i18n.yml
+++ b/both/i18n/pt-BR.i18n.yml
@@ -24,8 +24,7 @@ common:
     retry: 'Tentar novamente'
     rewards: 'Recompensas'
 navbar:
-    siteName: 'The Big Dipper'
-    version: 'beta'
+    siteName: 'BIG DIPPER'
     validators: 'Validadores'
     blocks: 'Blocos'
     transactions: 'Transações'
diff --git a/both/i18n/ru-RU.i18n.yml b/both/i18n/ru-RU.i18n.yml
index 8a5e175de..915dbf0ff 100644
--- a/both/i18n/ru-RU.i18n.yml
+++ b/both/i18n/ru-RU.i18n.yml
@@ -24,8 +24,7 @@ common:
     retry: 'Повторить попытку'
     rewards: 'награды'
 navbar:
-    siteName: 'The Big Dipper'
-    version: 'бета'
+    siteName: 'BIG DIPPER'
     validators: 'валидаторы'
     blocks: 'блоки'
     transactions: 'транзакции'
diff --git a/both/i18n/zh-hans.i18n.yml b/both/i18n/zh-hans.i18n.yml
index 7406439cf..91623894c 100644
--- a/both/i18n/zh-hans.i18n.yml
+++ b/both/i18n/zh-hans.i18n.yml
@@ -24,7 +24,6 @@ common:
     retry: '重试'
 navbar:
     siteName: '北斗'
-    version: 'beta'
     validators: '验证人'
     blocks: '区块'
     transactions: '交易'
diff --git a/both/i18n/zh-hant.i18n.yml b/both/i18n/zh-hant.i18n.yml
index 0383379d9..93a561274 100644
--- a/both/i18n/zh-hant.i18n.yml
+++ b/both/i18n/zh-hant.i18n.yml
@@ -24,7 +24,6 @@ common:
     retry: '重試'
 navbar:
     siteName: '北斗'
-    version: 'beta'
     validators: '驗證人'
     blocks: '區塊'
     transactions: '交易'
diff --git a/client/styles.scss b/client/styles.scss
index 014de2206..8327b0e26 100644
--- a/client/styles.scss
+++ b/client/styles.scss
@@ -344,7 +344,7 @@ body {
   }
   
   .progress {
-    height: inherit !important;
+    height: 1.5rem !important;
     font-size: inherit !important;
     border: 1px solid #ddd !important;
   }
diff --git a/imports/ui/components/Header.jsx b/imports/ui/components/Header.jsx
index 35f76a97f..76c4ea99c 100644
--- a/imports/ui/components/Header.jsx
+++ b/imports/ui/components/Header.jsx
@@ -160,7 +160,7 @@ export default class Header extends Component {
         let signedInAddress = getUser();
         return (
             <Navbar color="primary" dark expand="lg" fixed="top" id="header">
-                <NavbarBrand tag={Link} to="/"><img src="/img/big-dipper.svg" className="img-fluid logo"/> <span className="d-none d-xl-inline-block"><T>navbar.siteName</T>&nbsp;</span><Badge color="secondary"><T>navbar.version</T></Badge> </NavbarBrand>
+                <NavbarBrand tag={Link} to="/"><img src="/img/big-dipper-icon-light.svg" className="img-fluid logo"/> <span className="d-none d-xl-inline-block"><T>navbar.siteName</T>&nbsp;</span><Badge color="secondary"><T>navbar.version</T></Badge> </NavbarBrand>
                 <UncontrolledDropdown className="d-inline text-nowrap">
                     <DropdownToggle caret={(this.state.networks !== "")} tag="span" size="sm" id="network-nav">{Meteor.settings.public.chainId}</DropdownToggle>
                     {this.state.networks}
diff --git a/imports/ui/ledger/LedgerActions.jsx b/imports/ui/ledger/LedgerActions.jsx
index 862100ae9..2e9b1ddea 100644
--- a/imports/ui/ledger/LedgerActions.jsx
+++ b/imports/ui/ledger/LedgerActions.jsx
@@ -127,7 +127,7 @@ const Amount = (props) => {
 
 
 const Fee = (props) => {
-return <span><CoinAmount mint className='gas' amount={props.gas * Meteor.settings.public.gasPrice}/> as fee </span>
+    return <span><CoinAmount mint className='gas' amount={Math.ceil(props.gas * Meteor.settings.public.gasPrice)}/> as fee </span>
 }
 
 const isActiveValidator = (validator) => {
diff --git a/imports/ui/ledger/ledger.js b/imports/ui/ledger/ledger.js
index fc2ea8149..9fe32a983 100644
--- a/imports/ui/ledger/ledger.js
+++ b/imports/ui/ledger/ledger.js
@@ -14,7 +14,7 @@ import CryptoJS from "crypto-js"
 
 // TODO: discuss TIMEOUT value
 const INTERACTION_TIMEOUT = 10000
-const REQUIRED_COSMOS_APP_VERSION = "1.5.0"
+const REQUIRED_COSMOS_APP_VERSION = "2.0.0"
 const DEFAULT_DENOM = 'uatom';
 const DEFAULT_GAS = 200000;
 export const DEFAULT_GAS_PRICE = 0.025;
@@ -228,7 +228,7 @@ export class Ledger {
         // eslint-disable-next-line no-param-reassign
         unsignedTx.value.fee = {
             amount: [{
-                 amount: Math.round(gas * gasPrice).toString(),
+                 amount: Math.ceil(gas * gasPrice).toString(),
                  denom: denom,
             }],
             gas: gas.toString(),
diff --git a/public/img/big-dipper-icon-light.svg b/public/img/big-dipper-icon-light.svg
new file mode 100644
index 000000000..64e1f8c9e
--- /dev/null
+++ b/public/img/big-dipper-icon-light.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 113.988 113.988"><defs><style>.prefix__cls-1{fill:#fff}.prefix__cls-2{fill:#f1f2f0}</style></defs><g id="prefix__Livello_2" data-name="Livello 2"><g id="prefix__Livello_1-2" data-name="Livello 1"><path class="prefix__cls-1" d="M79.876 25.096l3.163 9.806 3.972-4.296v-7.432l-7.425-2.941-6.143 4.916 6.433-.053z"/><path class="prefix__cls-1" d="M81.087 40.22l-3.73-11.566H67.32l2.602 8.174-12.927-.008v56.935l33.411-27.77zM66.625 58.11v-5.313l7.472-2.988 1.091 3.36z"/><g><path class="prefix__cls-2" d="M34.112 25.096l-3.163 9.806-3.972-4.296v-7.432l7.425-2.941 6.143 4.916-6.433-.053z"/><path class="prefix__cls-2" d="M44.066 36.828l2.602-8.174H36.632L32.9 40.22l-9.32 25.765 33.412 27.77V36.82zm3.297 21.281L38.8 53.17l1.09-3.36 7.473 2.988z"/></g></g></g></svg>
\ No newline at end of file
diff --git a/public/img/big-dipper-logo-light.svg b/public/img/big-dipper-logo-light.svg
new file mode 100644
index 000000000..50a644fb0
--- /dev/null
+++ b/public/img/big-dipper-logo-light.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 405.232 113.988"><defs><style>.prefix__cls-1{fill:#fff}.prefix__cls-2{fill:#f1f2f0}</style></defs><g id="prefix__Livello_2" data-name="Livello 2"><g id="prefix__Livello_1-2" data-name="Livello 1"><path class="prefix__cls-1" d="M79.793 25.096l3.164 9.806 3.972-4.296v-7.432l-7.425-2.941-6.143 4.916 6.432-.053z"/><path class="prefix__cls-1" d="M81.005 40.22l-3.731-11.566H67.237l2.602 8.174-12.926-.008v56.935l33.411-27.77zM66.542 58.11v-5.313l7.473-2.988 1.09 3.36z"/><path class="prefix__cls-2" d="M34.029 25.096l-3.163 9.806-3.972-4.296v-7.432l7.425-2.941 6.143 4.916-6.433-.053z"/><path class="prefix__cls-2" d="M43.984 36.828l2.602-8.174H36.549L32.82 40.22h-.001l-9.32 25.765 33.412 27.77V36.82zm3.297 21.281l-8.564-4.94 1.091-3.36 7.473 2.988z"/><g><path class="prefix__cls-1" d="M110.924 40.656h14.634a12.257 12.257 0 017.945 2.44 7.93 7.93 0 013.018 6.495 7.685 7.685 0 01-1.256 4.323 8.447 8.447 0 01-3.429 2.97 9.93 9.93 0 014.371 3.139 7.638 7.638 0 011.618 4.83 8.6 8.6 0 01-3.187 6.979 12.852 12.852 0 01-8.452 2.632h-15.262zm14.344 4.299h-9.273V55h9.273a7.062 7.062 0 004.54-1.352 4.83 4.83 0 000-7.341 7.065 7.065 0 00-4.54-1.352zm.531 25.21a7.756 7.756 0 005.023-1.521 5.233 5.233 0 000-8.041 7.676 7.676 0 00-5.023-1.546h-9.804v11.108zM144.322 74.464V40.656h5.07v33.808zM190.497 57.995a17.558 17.558 0 01-1.28 6.737 16.664 16.664 0 01-3.501 5.385 16.152 16.152 0 01-5.289 3.574 16.672 16.672 0 01-6.592 1.304 17.743 17.743 0 01-6.907-1.352 17.096 17.096 0 01-9.345-9.249 17.65 17.65 0 010-13.668 17.517 17.517 0 013.719-5.554 17.127 17.127 0 015.578-3.695 17.734 17.734 0 016.906-1.352 18.907 18.907 0 017.583 1.545 17.082 17.082 0 016.037 4.299l-3.478 3.38a12.795 12.795 0 00-4.564-3.356 13.67 13.67 0 00-5.578-1.183 12.502 12.502 0 00-4.902.966 11.894 11.894 0 00-3.96 2.68 12.377 12.377 0 00-2.608 4.057 13.406 13.406 0 00-.942 5.047 13.1 13.1 0 00.966 5.047 12.685 12.685 0 002.632 4.057 12.185 12.185 0 003.96 2.705 12.35 12.35 0 004.95.99 11.321 11.321 0 007.656-2.729 10.412 10.412 0 003.646-6.93h-11.253v-4.444h16.566zM208.392 74.464V40.656h11.929a19.2 19.2 0 017.076 1.28 17.496 17.496 0 015.65 3.526 15.964 15.964 0 013.743 5.385 16.924 16.924 0 011.353 6.761 16.577 16.577 0 01-1.353 6.713 16.263 16.263 0 01-3.719 5.338 17.15 17.15 0 01-5.65 3.525 19.382 19.382 0 01-7.1 1.28zm12.026-29.268h-6.955v24.728h6.955a12.965 12.965 0 004.926-.942 11.887 11.887 0 003.984-2.608 12.406 12.406 0 002.633-3.912 12.155 12.155 0 00.965-4.854 12.504 12.504 0 00-.965-4.902 12.272 12.272 0 00-2.633-3.96 11.887 11.887 0 00-3.984-2.608 12.965 12.965 0 00-4.926-.942zM244.734 74.464V40.656h5.072v33.808zM257.237 74.464V40.656h15.648a11.33 11.33 0 017.993 2.826 9.493 9.493 0 013.067 7.317 9.328 9.328 0 01-3.091 7.244 11.41 11.41 0 01-7.969 2.801h-10.577v13.62zm15.117-29.365h-10.046v11.447h10.046a6.82 6.82 0 004.709-1.57 5.32 5.32 0 001.763-4.177 5.246 5.246 0 00-1.763-4.154 6.89 6.89 0 00-4.71-1.546zM289.686 74.464V40.656h15.649a11.33 11.33 0 017.993 2.826 9.493 9.493 0 013.067 7.317 9.328 9.328 0 01-3.092 7.244 11.41 11.41 0 01-7.968 2.801h-10.577v13.62zm15.117-29.365h-10.045v11.447h10.045a6.82 6.82 0 004.71-1.57 5.32 5.32 0 001.762-4.177 5.246 5.246 0 00-1.763-4.154 6.89 6.89 0 00-4.709-1.546zM322.268 74.464V40.656h24.92V45.1h-19.85v10.143h13.04v4.346h-13.04V70.02h20.044v4.444zM353.912 74.464V40.656h15.358a11.771 11.771 0 018.138 2.777 9.22 9.22 0 013.115 7.22 9.163 9.163 0 01-1.884 5.772 10.354 10.354 0 01-5.07 3.502l7.534 14.537H375.5l-7.004-13.861h-9.514v13.86zm14.923-29.365h-9.852v11.302h9.852a7.004 7.004 0 004.757-1.57 5.53 5.53 0 000-8.186 7.077 7.077 0 00-4.757-1.546z"/></g></g></g></svg>
\ No newline at end of file
diff --git a/public/img/big-dipper.png b/public/img/big-dipper.png
deleted file mode 100644
index 3970be4e9..000000000
Binary files a/public/img/big-dipper.png and /dev/null differ
diff --git a/public/img/big-dipper.svg b/public/img/big-dipper.svg
deleted file mode 100644
index 36baf87b6..000000000
--- a/public/img/big-dipper.svg
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Generator: Adobe Illustrator 23.0.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
-<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
-	 viewBox="0 0 2048 2048" style="enable-background:new 0 0 2048 2048;" xml:space="preserve">
-<style type="text/css">
-	.st0{fill:none;}
-	.st1{fill:none;stroke:#FFFFFF;stroke-width:72.6264;stroke-miterlimit:10;}
-	.st2{fill:#FFFFFF;stroke:#FFFFFF;stroke-width:90.783;stroke-miterlimit:10;}
-	.st3{fill:#FFFFFF;}
-</style>
-<g id="Layer_3">
-	<rect x="0" y="0" class="st0" width="2048" height="2048"/>
-</g>
-<g id="Layer_2">
-	<g id="big_dipper">
-		<g id="trace">
-			<polygon class="st1" points="1043.77,1093.25 1427.78,1198.71 1767.09,870.15 1578.49,380.48 			"/>
-			<polyline class="st1" points="1043.77,1093.25 832.49,1265.08 555.76,1274.22 280.59,1667.69 			"/>
-		</g>
-		<g id="dots">
-			<circle class="st2" cx="280.58" cy="1667.97" r="54.4"/>
-			<circle class="st2" cx="556.17" cy="1273.82" r="54.4"/>
-			<circle class="st2" cx="832.49" cy="1265.02" r="54.4"/>
-			<circle class="st2" cx="1043.91" cy="1093.99" r="54.4"/>
-			<circle class="st2" cx="1428.23" cy="1198.38" r="54.4"/>
-			<circle class="st2" cx="1767.58" cy="869.9" r="54.4"/>
-			<circle class="st2" cx="1578.56" cy="380.92" r="54.4"/>
-		</g>
-	</g>
-	<g id="stars_1_">
-		<polygon class="st3" points="955.92,315.55 976.95,358.15 1023.97,364.99 989.95,398.15 997.98,444.98 955.92,422.87 
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-</svg>