diff --git a/src/commands/index.js b/src/commands/index.js
index 91d0df7b..463c7248 100644
--- a/src/commands/index.js
+++ b/src/commands/index.js
@@ -14,6 +14,7 @@ import installMcu from 'commands/installMcu'
 import installOsuFirmware from 'commands/installOsuFirmware'
 import isDashboardOpen from 'commands/isDashboardOpen'
 import libcoreGetVersion from 'commands/libcoreGetVersion'
+import libcoreHardReset from 'commands/libcoreHardReset'
 import libcoreScanAccounts from 'commands/libcoreScanAccounts'
 import libcoreSignAndBroadcast from 'commands/libcoreSignAndBroadcast'
 import libcoreSyncAccount from 'commands/libcoreSyncAccount'
@@ -38,6 +39,7 @@ const all: Array<Command<any, any>> = [
   installOsuFirmware,
   isDashboardOpen,
   libcoreGetVersion,
+  libcoreHardReset,
   libcoreScanAccounts,
   libcoreSignAndBroadcast,
   libcoreSyncAccount,
diff --git a/src/commands/libcoreHardReset.js b/src/commands/libcoreHardReset.js
new file mode 100644
index 00000000..7da0f3c6
--- /dev/null
+++ b/src/commands/libcoreHardReset.js
@@ -0,0 +1,20 @@
+// @flow
+
+import { createCommand } from 'helpers/ipc'
+import { Observable } from 'rxjs'
+import withLibcore from 'helpers/withLibcore'
+
+const cmd = createCommand('libcoreHardReset', () =>
+  Observable.create(o => {
+    withLibcore(async (core, njsWalletPool) => {
+      try {
+        njsWalletPool.eraseDataSince(new Date(0))
+        o.complete()
+      } catch (e) {
+        o.error(e)
+      }
+    })
+  }),
+)
+
+export default cmd
diff --git a/src/components/SettingsPage/sections/Profile.js b/src/components/SettingsPage/sections/Profile.js
index 27b859b3..7522ad3b 100644
--- a/src/components/SettingsPage/sections/Profile.js
+++ b/src/components/SettingsPage/sections/Profile.js
@@ -9,6 +9,7 @@ import { cleanAccountsCache } from 'actions/accounts'
 import { unlock } from 'reducers/application' // FIXME should be in actions
 import db, { setEncryptionKey } from 'helpers/db'
 import { delay } from 'helpers/promise'
+import hardReset from 'helpers/hardReset'
 
 import type { SettingsState } from 'reducers/settings'
 import type { T } from 'types/common'
@@ -47,6 +48,7 @@ type State = {
   isSoftResetModalOpened: boolean,
   isPasswordModalOpened: boolean,
   isDisablePasswordModalOpened: boolean,
+  isHardResetting: boolean,
 }
 
 class TabProfile extends PureComponent<Props, State> {
@@ -55,6 +57,7 @@ class TabProfile extends PureComponent<Props, State> {
     isSoftResetModalOpened: false,
     isPasswordModalOpened: false,
     isDisablePasswordModalOpened: false,
+    isHardResetting: false,
   }
 
   setPassword = password => {
@@ -89,9 +92,13 @@ class TabProfile extends PureComponent<Props, State> {
   }
 
   handleHardReset = async () => {
-    db.resetAll()
-    await delay(500)
-    remote.getCurrentWindow().webContents.reload()
+    this.setState({ isHardResetting: true })
+    try {
+      await hardReset()
+      remote.getCurrentWindow().webContents.reloadIgnoringCache()
+    } catch (err) {
+      this.setState({ isHardResetting: false })
+    }
   }
 
   handleChangePasswordCheck = isChecked => {
@@ -125,6 +132,7 @@ class TabProfile extends PureComponent<Props, State> {
       isHardResetModalOpened,
       isPasswordModalOpened,
       isDisablePasswordModalOpened,
+      isHardResetting,
     } = this.state
     const isPasswordEnabled = settings.password.isEnabled === true
     return (
@@ -200,6 +208,7 @@ class TabProfile extends PureComponent<Props, State> {
 
         <ConfirmModal
           isDanger
+          isLoading={isHardResetting}
           isOpened={isHardResetModalOpened}
           onClose={this.handleCloseHardResetModal}
           onReject={this.handleCloseHardResetModal}
diff --git a/src/components/base/Button/index.js b/src/components/base/Button/index.js
index 0f673f4c..cabd6366 100644
--- a/src/components/base/Button/index.js
+++ b/src/components/base/Button/index.js
@@ -6,9 +6,10 @@ import { space, fontSize, fontWeight, color } from 'styled-system'
 import noop from 'lodash/noop'
 
 import { darken, lighten } from 'styles/helpers'
-
 import fontFamily from 'styles/styled/fontFamily'
 
+import Spinner from 'components/base/Spinner'
+
 const buttonStyles = {
   primary: {
     default: p => `
@@ -73,6 +74,14 @@ const buttonStyles = {
       padding-right: ${space[1]}px;
     `,
   },
+  isLoading: {
+    default: () => `
+      padding-left: 40px;
+      padding-right: 40px;
+      pointer-events: none;
+      opacity: 0.7;
+    `,
+  },
 }
 
 function getStyles(props, state) {
@@ -127,14 +136,15 @@ type Props = {
   onClick?: Function,
   small?: boolean,
   padded?: boolean,
+  isLoading?: boolean,
 }
 
 const Button = (props: Props) => {
-  const { onClick, children, disabled } = props
-
+  const { onClick, children, disabled, isLoading } = props
+  const isClickDisabled = disabled || isLoading
   return (
-    <Base {...props} onClick={disabled ? undefined : onClick}>
-      {children}
+    <Base {...props} onClick={isClickDisabled ? undefined : onClick}>
+      {isLoading ? <Spinner size={16} /> : children}
     </Base>
   )
 }
diff --git a/src/components/base/Modal/ConfirmModal.js b/src/components/base/Modal/ConfirmModal.js
index 1eee3fff..91561a82 100644
--- a/src/components/base/Modal/ConfirmModal.js
+++ b/src/components/base/Modal/ConfirmModal.js
@@ -21,6 +21,7 @@ type Props = {
   onReject: Function,
   onConfirm: Function,
   t: T,
+  isLoading?: boolean,
 }
 
 class ConfirmModal extends PureComponent<Props> {
@@ -35,6 +36,7 @@ class ConfirmModal extends PureComponent<Props> {
       isDanger,
       onReject,
       onConfirm,
+      isLoading,
       t,
       ...props
     } = this.props
@@ -44,9 +46,10 @@ class ConfirmModal extends PureComponent<Props> {
     return (
       <Modal
         isOpened={isOpened}
+        preventBackdropClick={isLoading}
         {...props}
         render={({ onClose }) => (
-          <ModalBody onClose={onClose}>
+          <ModalBody onClose={isLoading ? undefined : onClose}>
             <ModalTitle>{title}</ModalTitle>
             <ModalContent>
               {subTitle && (
@@ -59,8 +62,13 @@ class ConfirmModal extends PureComponent<Props> {
               </Box>
             </ModalContent>
             <ModalFooter horizontal align="center" justify="flex-end" flow={2}>
-              <Button onClick={onReject}>{realCancelText}</Button>
-              <Button onClick={onConfirm} primary={!isDanger} danger={isDanger}>
+              {!isLoading && <Button onClick={onReject}>{realCancelText}</Button>}
+              <Button
+                onClick={onConfirm}
+                primary={!isDanger}
+                danger={isDanger}
+                isLoading={isLoading}
+              >
                 {realConfirmText}
               </Button>
             </ModalFooter>
diff --git a/src/helpers/hardReset.js b/src/helpers/hardReset.js
new file mode 100644
index 00000000..24477872
--- /dev/null
+++ b/src/helpers/hardReset.js
@@ -0,0 +1,14 @@
+import libcoreHardReset from 'commands/libcoreHardReset'
+import { disable as disableDBMiddleware } from 'middlewares/db'
+
+import db from 'helpers/db'
+import { delay } from 'helpers/promise'
+
+export default async function hardReset() {
+  // TODO: wait for the libcoreHardReset to be finished
+  // actually, libcore doesnt goes back to js thread
+  await Promise.race([libcoreHardReset.send().toPromise(), delay(500)])
+  disableDBMiddleware()
+  db.resetAll()
+  await delay(500)
+}
diff --git a/src/middlewares/db.js b/src/middlewares/db.js
index 0af57202..d6b92b5f 100644
--- a/src/middlewares/db.js
+++ b/src/middlewares/db.js
@@ -6,8 +6,16 @@ import { accountsSelector } from 'reducers/accounts'
 import { settingsExportSelector, areSettingsLoaded } from 'reducers/settings'
 import CounterValues from 'helpers/countervalues'
 
+let DB_MIDDLEWARE_ENABLED = true
+
+// ability to temporary disable the db middleware from outside
+export const disable = (ms = 1000) => {
+  DB_MIDDLEWARE_ENABLED = false
+  setTimeout(() => (DB_MIDDLEWARE_ENABLED = true), ms)
+}
+
 export default store => next => action => {
-  if (action.type.startsWith('DB:')) {
+  if (DB_MIDDLEWARE_ENABLED && action.type.startsWith('DB:')) {
     const [, type] = action.type.split(':')
     store.dispatch({ type, payload: action.payload })
     const state = store.getState()
diff --git a/src/renderer/init.js b/src/renderer/init.js
index a7db960b..6ef76a10 100644
--- a/src/renderer/init.js
+++ b/src/renderer/init.js
@@ -20,43 +20,39 @@ import libcoreGetVersion from 'commands/libcoreGetVersion'
 import db from 'helpers/db'
 import dbMiddleware from 'middlewares/db'
 import CounterValues from 'helpers/countervalues'
+import hardReset from 'helpers/hardReset'
 
 import App from 'components/App'
 
 import 'styles/global'
 
-if (process.env.LEDGER_RESET_ALL) {
-  db.resetAll()
-}
-
-// Init db with defaults if needed
-db.init('settings', {})
-
-const history = createHistory()
-const store = createStore({ history, dbMiddleware })
 const rootNode = document.getElementById('app')
 
-const settings = db.get('settings')
-store.dispatch(fetchSettings(settings))
+async function init() {
+  if (process.env.LEDGER_RESET_ALL) {
+    await hardReset()
+  }
 
-const countervaluesData = db.get('countervalues')
-if (countervaluesData) {
-  store.dispatch(CounterValues.importAction(countervaluesData))
-}
+  // Init db with defaults if needed
+  db.init('settings', {})
 
-const state = store.getState()
-const language = getLanguage(state)
-const locked = isLocked(state)
+  const history = createHistory()
+  const store = createStore({ history, dbMiddleware })
 
-moment.locale(language)
+  const settings = db.get('settings')
+  store.dispatch(fetchSettings(settings))
 
-function r(Comp) {
-  if (rootNode) {
-    render(<AppContainer>{Comp}</AppContainer>, rootNode)
+  const countervaluesData = db.get('countervalues')
+  if (countervaluesData) {
+    store.dispatch(CounterValues.importAction(countervaluesData))
   }
-}
 
-async function init() {
+  const state = store.getState()
+  const language = getLanguage(state)
+  const locked = isLocked(state)
+
+  moment.locale(language)
+
   // FIXME IMO init() really should only be for window. any other case is a hack!
   const isMainWindow = remote.getCurrentWindow().name === 'MainWindow'
 
@@ -92,6 +88,12 @@ async function init() {
   }
 }
 
+function r(Comp) {
+  if (rootNode) {
+    render(<AppContainer>{Comp}</AppContainer>, rootNode)
+  }
+}
+
 init().catch(e => {
   // for now we make the app crash instead of pending forever. later we can render the error OR try to recover, but probably this is unrecoverable cases.
   logger.error(e)