diff --git a/src/components/AccountPage/index.js b/src/components/AccountPage/index.js
index 3a9d7fcf..73e97599 100644
--- a/src/components/AccountPage/index.js
+++ b/src/components/AccountPage/index.js
@@ -28,7 +28,7 @@ import Box from 'components/base/Box'
 import Button from 'components/base/Button'
 import FormattedVal from 'components/base/FormattedVal'
 import PillsDaysCount from 'components/PillsDaysCount'
-import TransactionsList from 'components/TransactionsList'
+import OperationsList from 'components/OperationsList'
 
 import AccountHeader from './AccountHeader'
 
@@ -156,9 +156,9 @@ class AccountPage extends PureComponent<Props, State> {
             )}
           />
         </Box>
-        <TransactionsList
+        <OperationsList
           title={t('account:lastOperations')}
-          transactions={account.transactions}
+          operations={account.operations}
           minConfirmations={account.settings.minConfirmations}
         />
       </Box>
diff --git a/src/components/BalanceSummary/index.js b/src/components/BalanceSummary/index.js
index da423d90..00d3d6a5 100644
--- a/src/components/BalanceSummary/index.js
+++ b/src/components/BalanceSummary/index.js
@@ -4,7 +4,7 @@ import React, { Fragment } from 'react'
 
 import { getFiatUnit } from '@ledgerhq/currencies'
 
-import type { Accounts } from 'types/common'
+import type { Account } from 'types/common'
 
 import Chart from 'components/base/NewChart'
 import Box, { Card } from 'components/base/Box'
@@ -15,7 +15,7 @@ type Props = {
   counterValue: string,
   chartColor: string,
   chartId: string,
-  accounts: Accounts,
+  accounts: Account[],
   selectedTime: string,
   daysCount: number,
   renderHeader: null | Function,
diff --git a/src/components/CalculateBalance.js b/src/components/CalculateBalance.js
index 3ae67fc4..d64f6d0e 100644
--- a/src/components/CalculateBalance.js
+++ b/src/components/CalculateBalance.js
@@ -3,7 +3,7 @@
 import { PureComponent } from 'react'
 import { connect } from 'react-redux'
 
-import type { Accounts } from 'types/common'
+import type { Account } from 'types/common'
 
 import calculateBalance from 'helpers/balance'
 
@@ -12,7 +12,7 @@ const mapStateToProps = state => ({
 })
 
 type Props = {
-  accounts: Accounts,
+  accounts: Account[],
   counterValues: Object,
   daysCount: number,
   render: Function,
diff --git a/src/components/DashboardPage/index.js b/src/components/DashboardPage/index.js
index 6b65dccb..da3f1ebd 100644
--- a/src/components/DashboardPage/index.js
+++ b/src/components/DashboardPage/index.js
@@ -10,7 +10,7 @@ import chunk from 'lodash/chunk'
 import get from 'lodash/get'
 import sortBy from 'lodash/sortBy'
 
-import type { Account, Accounts, T } from 'types/common'
+import type { Account, Operation, T } from 'types/common'
 
 import { getVisibleAccounts } from 'reducers/accounts'
 import { getCounterValue } from 'reducers/settings'
@@ -23,7 +23,7 @@ import BalanceSummary from 'components/BalanceSummary'
 import Box from 'components/base/Box'
 import PillsDaysCount from 'components/PillsDaysCount'
 import Text from 'components/base/Text'
-import TransactionsList from 'components/TransactionsList'
+import OperationsList from 'components/OperationsList'
 
 import AccountCard from './AccountCard'
 import AccountsOrder from './AccountsOrder'
@@ -41,28 +41,28 @@ const mapDispatchToProps = {
 
 type Props = {
   t: T,
-  accounts: Accounts,
+  accounts: Account[],
   push: Function,
   counterValue: string,
 }
 
 type State = {
   accountsChunk: Array<Array<Account | null>>,
-  allTransactions: Array<Object>,
+  allOperations: Operation[],
   selectedTime: string,
   daysCount: number,
 }
 
 const ACCOUNTS_BY_LINE = 3
-const ALL_TRANSACTIONS_LIMIT = 10
+const ALL_OPERATIONS_LIMIT = 10
 
-const getAllTransactions = accounts => {
-  const allTransactions = accounts.reduce((result, account) => {
-    const transactions = get(account, 'transactions', [])
+const getAllOperations = accounts => {
+  const allOperations = accounts.reduce((result, account) => {
+    const operations = get(account, 'operations', [])
 
     result = [
       ...result,
-      ...transactions.map(t => ({
+      ...operations.map(t => ({
         ...t,
         account,
       })),
@@ -71,9 +71,9 @@ const getAllTransactions = accounts => {
     return result
   }, [])
 
-  return sortBy(allTransactions, t => t.receivedAt)
+  return sortBy(allOperations, t => t.receivedAt)
     .reverse()
-    .slice(0, ALL_TRANSACTIONS_LIMIT)
+    .slice(0, ALL_OPERATIONS_LIMIT)
 }
 
 const getAccountsChunk = accounts => {
@@ -88,7 +88,7 @@ const getAccountsChunk = accounts => {
 class DashboardPage extends PureComponent<Props, State> {
   state = {
     accountsChunk: getAccountsChunk(this.props.accounts),
-    allTransactions: getAllTransactions(this.props.accounts),
+    allOperations: getAllOperations(this.props.accounts),
     selectedTime: 'week',
     daysCount: 7,
   }
@@ -97,7 +97,7 @@ class DashboardPage extends PureComponent<Props, State> {
     if (nextProps.accounts !== this.props.accounts) {
       this.setState({
         accountsChunk: getAccountsChunk(nextProps.accounts),
-        allTransactions: getAllTransactions(nextProps.accounts),
+        allOperations: getAllOperations(nextProps.accounts),
       })
     }
   }
@@ -110,7 +110,7 @@ class DashboardPage extends PureComponent<Props, State> {
 
   render() {
     const { push, accounts, t, counterValue } = this.props
-    const { accountsChunk, allTransactions, selectedTime, daysCount } = this.state
+    const { accountsChunk, allOperations, selectedTime, daysCount } = this.state
 
     const totalAccounts = accounts.length
 
@@ -189,11 +189,11 @@ class DashboardPage extends PureComponent<Props, State> {
                 ))}
               </Box>
             </Box>
-            <TransactionsList
+            <OperationsList
               canShowMore
               title={t('dashboard:recentActivity')}
               withAccounts
-              transactions={allTransactions}
+              operations={allOperations}
               onAccountClick={account => push(`/account/${account.id}`)}
             />
           </Fragment>
diff --git a/src/components/IsUnlocked.js b/src/components/IsUnlocked.js
index 3401f45d..6994c2df 100644
--- a/src/components/IsUnlocked.js
+++ b/src/components/IsUnlocked.js
@@ -6,7 +6,7 @@ import { compose } from 'redux'
 import { translate } from 'react-i18next'
 import bcrypt from 'bcryptjs'
 
-import type { Settings, Accounts, T } from 'types/common'
+import type { Settings, Account, T } from 'types/common'
 
 import get from 'lodash/get'
 
@@ -31,7 +31,7 @@ type InputValue = {
 }
 
 type Props = {
-  accounts: Accounts,
+  accounts: Account[],
   children: any,
   counterValue: string,
   fetchAccounts: Function,
diff --git a/src/components/TransactionsList/ConfirmationCheck.js b/src/components/OperationsList/ConfirmationCheck.js
similarity index 92%
rename from src/components/TransactionsList/ConfirmationCheck.js
rename to src/components/OperationsList/ConfirmationCheck.js
index ce0c5b45..0aa943cc 100644
--- a/src/components/TransactionsList/ConfirmationCheck.js
+++ b/src/components/OperationsList/ConfirmationCheck.js
@@ -36,7 +36,7 @@ const ConfirmationCheck = ({
   return (
     <Tooltip
       render={() =>
-        isConfirmed ? t('transactionsList:confirmed') : t('transactionsList:notConfirmed')
+        isConfirmed ? t('operationsList:confirmed') : t('operationsList:notConfirmed')
       }
     >
       <Container isConfirmed={isConfirmed}>
diff --git a/src/components/TransactionsList/index.js b/src/components/OperationsList/index.js
similarity index 84%
rename from src/components/TransactionsList/index.js
rename to src/components/OperationsList/index.js
index 16106acf..4a918db7 100644
--- a/src/components/TransactionsList/index.js
+++ b/src/components/OperationsList/index.js
@@ -9,7 +9,7 @@ import noop from 'lodash/noop'
 import isEqual from 'lodash/isEqual'
 import { getIconByCoinType } from '@ledgerhq/currencies/react'
 
-import type { Transaction as TransactionType, T } from 'types/common'
+import type { Operation as OperationType, T } from 'types/common'
 
 import IconAngleDown from 'icons/AngleDown'
 import Box, { Card } from 'components/base/Box'
@@ -55,7 +55,7 @@ HeaderCol.defaultProps = {
   children: undefined,
 }
 
-const TransactionRaw = styled(Box).attrs({
+const OperationRaw = styled(Box).attrs({
   horizontal: true,
   alignItems: 'center',
 })`
@@ -97,7 +97,7 @@ const ShowMore = styled(Box).attrs({
   }
 `
 
-const Transaction = ({
+const Operation = ({
   t,
   onAccountClick,
   tx,
@@ -106,14 +106,14 @@ const Transaction = ({
 }: {
   t: T,
   onAccountClick?: Function,
-  tx: TransactionType,
+  tx: OperationType,
   withAccounts?: boolean,
   minConfirmations: number,
 }) => {
   const time = moment(tx.receivedAt)
   const Icon = getIconByCoinType(get(tx, 'account.currency.coinType'))
   return (
-    <TransactionRaw>
+    <OperationRaw>
       <Cell size={DATE_COL_SIZE} justifyContent="space-between">
         <Box>
           <Day>{time.format('DD MMM')}</Day>
@@ -149,7 +149,7 @@ const Transaction = ({
         }}
       >
         <Box ff="Open Sans" fontSize={3} color="graphite">
-          {tx.balance > 0 ? t('transactionsList:from') : t('transactionsList:to')}
+          {tx.amount > 0 ? t('operationsList:from') : t('operationsList:to')}
         </Box>
         <Box
           color="dark"
@@ -167,7 +167,7 @@ const Transaction = ({
       </Cell>
       <Cell size={AMOUNT_COL_SIZE} justifyContent="flex-end">
         <FormattedVal
-          val={tx.balance}
+          val={tx.amount}
           unit={get(tx, 'account.unit')}
           showCode
           fontSize={4}
@@ -181,11 +181,11 @@ const Transaction = ({
           t={t}
         />
       </Cell>
-    </TransactionRaw>
+    </OperationRaw>
   )
 }
 
-Transaction.defaultProps = {
+Operation.defaultProps = {
   onAccountClick: noop,
   withAccounts: false,
 }
@@ -193,14 +193,14 @@ Transaction.defaultProps = {
 type Props = {
   t: T,
   onAccountClick?: Function,
-  transactions: Array<TransactionType>,
+  operations: OperationType[],
   withAccounts?: boolean,
   minConfirmations: number,
   title?: string,
   canShowMore: boolean,
 }
 
-class TransactionsList extends Component<Props> {
+class OperationsList extends Component<Props> {
   static defaultProps = {
     onAccountClick: noop,
     withAccounts: false,
@@ -221,16 +221,16 @@ class TransactionsList extends Component<Props> {
       return true
     }
 
-    return !isEqual(this._hashCache, this.getHashCache(nextProps.transactions))
+    return !isEqual(this._hashCache, this.getHashCache(nextProps.operations))
   }
 
-  getHashCache = (transactions: Array<TransactionType>) => transactions.map(t => t.hash)
+  getHashCache = (operations: OperationType[]) => operations.map(t => t.hash)
 
   _hashCache = null
 
   render() {
     const {
-      transactions,
+      operations,
       title,
       withAccounts,
       onAccountClick,
@@ -239,26 +239,26 @@ class TransactionsList extends Component<Props> {
       t,
     } = this.props
 
-    this._hashCache = this.getHashCache(transactions)
+    this._hashCache = this.getHashCache(operations)
 
     return (
       <Defer>
         <Card flow={1} title={title} p={0}>
           <Box horizontal pt={4}>
-            <HeaderCol size={DATE_COL_SIZE}>{t('transactionsList:date')}</HeaderCol>
+            <HeaderCol size={DATE_COL_SIZE}>{t('operationsList:date')}</HeaderCol>
             {withAccounts && (
-              <HeaderCol size={ACCOUNT_COL_SIZE}>{t('transactionsList:account')}</HeaderCol>
+              <HeaderCol size={ACCOUNT_COL_SIZE}>{t('operationsList:account')}</HeaderCol>
             )}
-            <HeaderCol grow>{t('transactionsList:address')}</HeaderCol>
+            <HeaderCol grow>{t('operationsList:address')}</HeaderCol>
             <HeaderCol size={AMOUNT_COL_SIZE} justifyContent="flex-end">
-              {t('transactionsList:amount')}
+              {t('operationsList:amount')}
             </HeaderCol>
             <HeaderCol size={CONFIRMATION_COL_SIZE} px={0} />
           </Box>
 
           <Box>
-            {transactions.map(trans => (
-              <Transaction
+            {operations.map(trans => (
+              <Operation
                 t={t}
                 key={`{${trans.hash}-${trans.account ? trans.account.id : ''}`}
                 withAccounts={withAccounts}
@@ -271,7 +271,7 @@ class TransactionsList extends Component<Props> {
 
           {canShowMore && (
             <ShowMore>
-              <span>{t('transactionsList:showMore')}</span>
+              <span>{t('operationsList:showMore')}</span>
               <IconAngleDown width={8} height={8} />
             </ShowMore>
           )}
@@ -281,4 +281,4 @@ class TransactionsList extends Component<Props> {
   }
 }
 
-export default translate()(TransactionsList)
+export default translate()(OperationsList)
diff --git a/src/components/TransactionsList/stories.js b/src/components/OperationsList/stories.js
similarity index 56%
rename from src/components/TransactionsList/stories.js
rename to src/components/OperationsList/stories.js
index ac7880bc..889b8eec 100644
--- a/src/components/TransactionsList/stories.js
+++ b/src/components/OperationsList/stories.js
@@ -1,28 +1,37 @@
 // @flow
 
 import React from 'react'
+import { getDefaultUnitByCoinType } from '@ledgerhq/currencies'
 import { storiesOf } from '@storybook/react'
 import { boolean } from '@storybook/addon-knobs'
 
-import TransactionsList from 'components/TransactionsList'
+import OperationsList from 'components/OperationsList'
 
 const stories = storiesOf('Components', module)
 
-const transactions = [
+const unit = getDefaultUnitByCoinType(0)
+
+const operations = [
   {
     address: '5c6ea1716520c7d6e038d36a3223faced3c',
     hash: '5c6ea1716520c7d6e038d36a3223faced3c4b8f7ffb69d9fb5bd527d562fdb62',
-    balance: 130000000,
+    amount: 130000000,
     receivedAt: '2018-01-09T16:03:52Z',
+    account: {
+      unit,
+    },
   },
   {
     address: '27416a48caab90fab053b507b8b6b9d4',
     hash: '27416a48caab90fab053b507b8b6b9d48fba75421d3bfdbae4b85f64024bc9c4',
-    balance: 65000000,
+    amount: -65000000,
     receivedAt: '2018-01-09T16:02:40Z',
+    account: {
+      unit,
+    },
   },
 ]
 
-stories.add('TransactionsList', () => (
-  <TransactionsList transactions={transactions} canShowMore={boolean('canShowMore')} />
+stories.add('OperationsList', () => (
+  <OperationsList operations={operations} canShowMore={boolean('canShowMore')} />
 ))
diff --git a/src/components/SelectAccount/index.js b/src/components/SelectAccount/index.js
index d698ae0c..7e5bcf9a 100644
--- a/src/components/SelectAccount/index.js
+++ b/src/components/SelectAccount/index.js
@@ -6,7 +6,7 @@ import { translate } from 'react-i18next'
 import noop from 'lodash/noop'
 import { getIconByCoinType } from '@ledgerhq/currencies/react'
 
-import type { T, Accounts, Account } from 'types/common'
+import type { T, Account } from 'types/common'
 
 import { getVisibleAccounts } from 'reducers/accounts'
 
@@ -42,7 +42,7 @@ const renderItem = a => {
 }
 
 type Props = {
-  accounts: Accounts,
+  accounts: Account[],
   onChange?: () => Account | void,
   value?: Account | null,
   t: T,
diff --git a/src/components/SelectAccount/stories.js b/src/components/SelectAccount/stories.js
index be2ec8f3..845216b9 100644
--- a/src/components/SelectAccount/stories.js
+++ b/src/components/SelectAccount/stories.js
@@ -22,7 +22,7 @@ export const accounts = [...Array(20)].map(() => ({
   name: chance.name(),
   path: '',
   rootPath: '',
-  transactions: [],
+  operations: [],
   unit: getDefaultUnitByCoinType(1),
   settings: {
     minConfirmations: 2,
diff --git a/src/components/SideBar/index.js b/src/components/SideBar/index.js
index 620c07a2..394a9df6 100644
--- a/src/components/SideBar/index.js
+++ b/src/components/SideBar/index.js
@@ -9,7 +9,7 @@ import { getIconByCoinType } from '@ledgerhq/currencies/react'
 
 import { MODAL_SEND, MODAL_RECEIVE, MODAL_ADD_ACCOUNT } from 'constants'
 
-import type { Accounts, T } from 'types/common'
+import type { Account, T } from 'types/common'
 
 import { openModal } from 'reducers/modals'
 import { getVisibleAccounts } from 'reducers/accounts'
@@ -52,7 +52,7 @@ const PlusBtn = styled(Tabbable).attrs({
 
 type Props = {
   t: T,
-  accounts: Accounts,
+  accounts: Account[],
   openModal: Function,
 }
 
diff --git a/src/components/base/Bar/stories.js b/src/components/base/Bar/stories.js
index 8e920897..8783acde 100644
--- a/src/components/base/Bar/stories.js
+++ b/src/components/base/Bar/stories.js
@@ -7,6 +7,6 @@ import { storiesOf } from '@storybook/react'
 
 import Bar from 'components/base/Bar'
 
-const stories = storiesOf('Components', module)
+const stories = storiesOf('Components/base', module)
 
 stories.add('Bar', () => <Bar size={number('size', 1)} color="grey" />)
diff --git a/src/components/base/Box/stories.js b/src/components/base/Box/stories.js
index 6c43b679..f9c77a55 100644
--- a/src/components/base/Box/stories.js
+++ b/src/components/base/Box/stories.js
@@ -8,7 +8,7 @@ import styled from 'styled-components'
 
 import Box from 'components/base/Box'
 
-const stories = storiesOf('Components/Box', module)
+const stories = storiesOf('Components/base/Box', module)
 
 const align = [
   undefined,
diff --git a/src/components/base/Button/stories.js b/src/components/base/Button/stories.js
index 72bd84f2..d779c637 100644
--- a/src/components/base/Button/stories.js
+++ b/src/components/base/Button/stories.js
@@ -6,7 +6,7 @@ import styled from 'styled-components'
 
 import Button from 'components/base/Button'
 
-const stories = storiesOf('Components', module)
+const stories = storiesOf('Components/base', module)
 
 const Th = styled.th`
   padding: 20px;
diff --git a/src/components/base/CheckBox/stories.js b/src/components/base/CheckBox/stories.js
index f196de87..4f015c03 100644
--- a/src/components/base/CheckBox/stories.js
+++ b/src/components/base/CheckBox/stories.js
@@ -5,7 +5,7 @@ import { action } from '@storybook/addon-actions'
 
 import CheckBox from 'components/base/CheckBox'
 
-const stories = storiesOf('Components', module)
+const stories = storiesOf('Components/base', module)
 
 stories.add('CheckBox', () => (
   <CheckBox isChecked={boolean('isChecked', false)} onChange={action('onChange')} />
diff --git a/src/components/base/FormattedVal/index.js b/src/components/base/FormattedVal/index.js
index 970feaaf..d30bed05 100644
--- a/src/components/base/FormattedVal/index.js
+++ b/src/components/base/FormattedVal/index.js
@@ -2,6 +2,7 @@
 
 import React from 'react'
 import styled from 'styled-components'
+import isUndefined from 'lodash/isUndefined'
 
 import type { Unit } from '@ledgerhq/currencies'
 
@@ -27,6 +28,10 @@ function FormattedVal(props: Props) {
   const { fiat, isPercent, alwaysShowSign, showCode, ...p } = props
   let { val, unit } = props
 
+  if (isUndefined(val)) {
+    throw new Error('FormattedVal require a `val` prop. Received `undefined`')
+  }
+
   const isNegative = val < 0
 
   let text = ''
diff --git a/src/components/base/GrowScroll/stories.js b/src/components/base/GrowScroll/stories.js
index ec18ad21..7bcd8cda 100644
--- a/src/components/base/GrowScroll/stories.js
+++ b/src/components/base/GrowScroll/stories.js
@@ -7,7 +7,7 @@ import { boolean } from '@storybook/addon-knobs'
 import Box from 'components/base/Box'
 import GrowScroll from 'components/base/GrowScroll'
 
-const stories = storiesOf('Components', module)
+const stories = storiesOf('Components/base', module)
 
 stories.add('GrowScroll', () => {
   const reverseColor = boolean('reverseColor', false)
diff --git a/src/components/base/Input/stories.js b/src/components/base/Input/stories.js
index 196a7b12..14e3d3ed 100644
--- a/src/components/base/Input/stories.js
+++ b/src/components/base/Input/stories.js
@@ -5,6 +5,6 @@ import { storiesOf } from '@storybook/react'
 
 import Input from 'components/base/Input'
 
-const stories = storiesOf('Components', module)
+const stories = storiesOf('Components/base', module)
 
 stories.add('Input', () => <Input placeholder="Foo bar" />)
diff --git a/src/components/base/InputCurrency/stories.js b/src/components/base/InputCurrency/stories.js
index dbf9d25d..a64fd73b 100644
--- a/src/components/base/InputCurrency/stories.js
+++ b/src/components/base/InputCurrency/stories.js
@@ -8,7 +8,7 @@ import { getDefaultUnitByCoinType } from '@ledgerhq/currencies'
 
 import InputCurrency from 'components/base/InputCurrency'
 
-const stories = storiesOf('Components', module)
+const stories = storiesOf('Components/base', module)
 
 const unit = getDefaultUnitByCoinType(1)
 
diff --git a/src/components/base/Modal/stories.js b/src/components/base/Modal/stories.js
index a105b6ca..0516912a 100644
--- a/src/components/base/Modal/stories.js
+++ b/src/components/base/Modal/stories.js
@@ -8,7 +8,7 @@ import { Modal, ModalBody, ModalTitle, ModalContent, ModalFooter } from 'compone
 import Box from 'components/base/Box'
 import Button from 'components/base/Button'
 
-const stories = storiesOf('Components', module)
+const stories = storiesOf('Components/base', module)
 
 stories.add('Modal', () => {
   const isOpened = boolean('isOpened', true)
diff --git a/src/components/base/NewChart/stories.js b/src/components/base/NewChart/stories.js
index a4209187..f10d59f8 100644
--- a/src/components/base/NewChart/stories.js
+++ b/src/components/base/NewChart/stories.js
@@ -10,7 +10,7 @@ import { color } from '@storybook/addon-knobs/react'
 
 import Chart from 'components/base/NewChart'
 
-const stories = storiesOf('Components', module)
+const stories = storiesOf('Components/base', module)
 
 const data = generateRandomData(365)
 const unit = getDefaultUnitByCoinType(0)
diff --git a/src/components/base/Pills/stories.js b/src/components/base/Pills/stories.js
index 5344c775..b8e4b68b 100644
--- a/src/components/base/Pills/stories.js
+++ b/src/components/base/Pills/stories.js
@@ -5,7 +5,7 @@ import { storiesOf } from '@storybook/react'
 
 import Pills from 'components/base/Pills'
 
-const stories = storiesOf('Components', module)
+const stories = storiesOf('Components/base', module)
 
 type State = {
   key: string,
diff --git a/src/components/base/QRCode/stories.js b/src/components/base/QRCode/stories.js
index 77613165..068159bd 100644
--- a/src/components/base/QRCode/stories.js
+++ b/src/components/base/QRCode/stories.js
@@ -7,6 +7,6 @@ import { text, number } from '@storybook/addon-knobs'
 
 import QRCode from 'components/base/QRCode'
 
-const stories = storiesOf('Components', module)
+const stories = storiesOf('Components/base', module)
 
 stories.add('QRCode', () => <QRCode data={text('data', 'sample')} size={number('size', 200)} />)
diff --git a/src/components/base/Radio/stories.js b/src/components/base/Radio/stories.js
index f84e73d5..001839c0 100644
--- a/src/components/base/Radio/stories.js
+++ b/src/components/base/Radio/stories.js
@@ -5,7 +5,7 @@ import { boolean } from '@storybook/addon-knobs'
 
 import Radio from 'components/base/Radio'
 
-const stories = storiesOf('Components', module)
+const stories = storiesOf('Components/base', module)
 
 stories.add('Radio', () => (
   <Radio isChecked={boolean('checked', false)} onChange={action('onChange')} />
diff --git a/src/components/base/Select/stories.js b/src/components/base/Select/stories.js
index eb44b448..ba750dd5 100644
--- a/src/components/base/Select/stories.js
+++ b/src/components/base/Select/stories.js
@@ -7,7 +7,7 @@ import Box from 'components/base/Box'
 import Select from 'components/base/Select'
 import Text from 'components/base/Text'
 
-const stories = storiesOf('Components/Select', module)
+const stories = storiesOf('Components/base/Select', module)
 
 const itemsChessPlayers = [
   { key: 'aleksandr-grichtchouk', name: 'Aleksandr Grichtchouk' },
diff --git a/src/components/base/Tabs/stories.js b/src/components/base/Tabs/stories.js
index 2447b428..bb89efcc 100644
--- a/src/components/base/Tabs/stories.js
+++ b/src/components/base/Tabs/stories.js
@@ -6,7 +6,7 @@ import { storiesOf } from '@storybook/react'
 
 import Tabs from 'components/base/Tabs'
 
-const stories = storiesOf('Components', module)
+const stories = storiesOf('Components/base', module)
 
 stories.add('Tabs', () => (
   <Tabs
diff --git a/src/components/base/Text/stories.js b/src/components/base/Text/stories.js
index 94d1f35b..3a7117fd 100644
--- a/src/components/base/Text/stories.js
+++ b/src/components/base/Text/stories.js
@@ -10,7 +10,7 @@ import Text from 'components/base/Text'
 
 import { fontFamilies, fontSizes } from 'styles/theme'
 
-const stories = storiesOf('Common/Text', module)
+const stories = storiesOf('Common', module)
 
 const Title = ({ children }: { children: string }) => (
   <Text style={{ fontFamily: 'monospace' }} fontSize={5}>
@@ -56,7 +56,7 @@ const FontSizes = () => (
   </Box>
 )
 
-stories.add('all fonts styles', () => (
+stories.add('Text styles', () => (
   <Box flow={4}>
     <FontStyles txt={text('text', 'The quick brown fox jumps over the lazy dog')} />
     <FontSizes />
diff --git a/src/components/base/Tooltip/stories.js b/src/components/base/Tooltip/stories.js
index 369585d7..9a73391a 100644
--- a/src/components/base/Tooltip/stories.js
+++ b/src/components/base/Tooltip/stories.js
@@ -5,6 +5,6 @@ import { storiesOf } from '@storybook/react'
 
 import Tooltip from 'components/base/Tooltip'
 
-const stories = storiesOf('Components', module)
+const stories = storiesOf('Components/base', module)
 
 stories.add('Tooltip', () => <Tooltip render={() => <div>Oyo!</div>}>Hover me!</Tooltip>)
diff --git a/src/components/modals/AddAccount/ImportAccounts.js b/src/components/modals/AddAccount/ImportAccounts.js
index b4dbbf3d..74554e5b 100644
--- a/src/components/modals/AddAccount/ImportAccounts.js
+++ b/src/components/modals/AddAccount/ImportAccounts.js
@@ -3,7 +3,7 @@
 import React, { PureComponent } from 'react'
 import { translate } from 'react-i18next'
 
-import type { T } from 'types/common'
+import type { T, Account } from 'types/common'
 
 import Box from 'components/base/Box'
 import Button from 'components/base/Button'
@@ -13,7 +13,7 @@ import Input from 'components/base/Input'
 
 type Props = {
   t: T,
-  accounts: Array<Object>,
+  accounts: Account[],
   onImportAccounts: Function,
 }
 
@@ -110,7 +110,7 @@ class ImportAccounts extends PureComponent<Props, State> {
                         val={account.balance}
                       />
                     </Box>
-                    <Box>Transactions: {account.transactions.length}</Box>
+                    <Box>Operations: {account.operations.length}</Box>
                   </Box>
                 </Box>
               )
diff --git a/src/components/modals/AddAccount/RestoreAccounts.js b/src/components/modals/AddAccount/RestoreAccounts.js
index 73f1c502..2addc888 100644
--- a/src/components/modals/AddAccount/RestoreAccounts.js
+++ b/src/components/modals/AddAccount/RestoreAccounts.js
@@ -7,14 +7,14 @@ import Box from 'components/base/Box'
 import Button from 'components/base/Button'
 import Text from 'components/base/Text'
 
-import type { Accounts } from 'types/common'
+import type { Account } from 'types/common'
 
 const Container = styled(Box)`
   border: 1px solid ${p => p.theme.colors.alertRed};
 `
 
 type Props = {
-  archivedAccounts: Accounts,
+  archivedAccounts: Account[],
   updateAccount: Function,
 }
 
diff --git a/src/components/modals/AddAccount/index.js b/src/components/modals/AddAccount/index.js
index 88d73de1..d6a668bc 100644
--- a/src/components/modals/AddAccount/index.js
+++ b/src/components/modals/AddAccount/index.js
@@ -12,7 +12,7 @@ import type { Currency } from '@ledgerhq/currencies'
 
 import { MODAL_ADD_ACCOUNT } from 'constants'
 
-import type { Accounts, Device, T } from 'types/common'
+import type { Account, Device, T } from 'types/common'
 
 import { closeModal } from 'reducers/modals'
 import { canCreateAccount, getAccounts, getArchivedAccounts } from 'reducers/accounts'
@@ -88,7 +88,7 @@ const Steps = {
               val={progress.balance || 0}
             />
           </Box>
-          <Box>Transactions: {progress.transactions || 0}</Box>
+          <Box>Operations: {progress.operations || 0}</Box>
           {progress.success && <Box>Finish ! Next account in progress...</Box>}
         </Box>
       )}
@@ -96,8 +96,8 @@ const Steps = {
   ),
   listAccounts: (props: Object) => {
     const { accounts, archivedAccounts } = props
-    const emptyAccounts = accounts.filter(account => account.transactions.length === 0)
-    const existingAccounts = accounts.filter(account => account.transactions.length > 0)
+    const emptyAccounts = accounts.filter(account => account.operations.length === 0)
+    const existingAccounts = accounts.filter(account => account.operations.length > 0)
     const canCreateAccount = props.canCreateAccount && emptyAccounts.length === 1
     const newAccount = emptyAccounts[0]
     return (
@@ -117,9 +117,9 @@ const Steps = {
 type Step = 'chooseCurrency' | 'connectDevice' | 'inProgress' | 'listAccounts'
 
 type Props = {
-  accounts: Accounts,
+  accounts: Account[],
   addAccount: Function,
-  archivedAccounts: Accounts,
+  archivedAccounts: Account[],
   canCreateAccount: boolean,
   closeModal: Function,
   counterValues: Object,
@@ -130,7 +130,7 @@ type Props = {
 }
 
 type State = {
-  accounts: Accounts,
+  accounts: Account[],
   currency: Currency | null,
   fetchingCounterValues: boolean,
   progress: null | Object,
diff --git a/src/components/modals/SettingsAccount.js b/src/components/modals/SettingsAccount.js
index ad82bd5b..c1830381 100644
--- a/src/components/modals/SettingsAccount.js
+++ b/src/components/modals/SettingsAccount.js
@@ -50,8 +50,8 @@ const defaultState = {
   nameHovered: false,
 }
 
-function hasNoTransactions(account: Account) {
-  return get(account, 'transactions.length', 0) === 0
+function hasNoOperations(account: Account) {
+  return get(account, 'operations.length', 0) === 0
 }
 
 class SettingsAccount extends PureComponent<Props, State> {
@@ -133,7 +133,7 @@ class SettingsAccount extends PureComponent<Props, State> {
 
   handleArchiveAccount = (account: Account) => () => {
     const { push, closeModal, updateAccount, removeAccount } = this.props
-    const shouldRemove = hasNoTransactions(account)
+    const shouldRemove = hasNoOperations(account)
 
     if (shouldRemove) {
       removeAccount(account)
@@ -212,7 +212,7 @@ class SettingsAccount extends PureComponent<Props, State> {
               </ModalContent>
               <ModalFooter horizontal justify="flex-end" flow={2}>
                 <Button onClick={this.handleArchiveAccount(account)}>
-                  {hasNoTransactions(account) ? 'Remove account' : 'Archive account'}
+                  {hasNoOperations(account) ? 'Remove account' : 'Archive account'}
                 </Button>
                 <Button primary>Go to account</Button>
               </ModalFooter>
diff --git a/src/helpers/__tests__/balance.test.js b/src/helpers/__tests__/balance.test.js
index b265162c..0a8c00b2 100644
--- a/src/helpers/__tests__/balance.test.js
+++ b/src/helpers/__tests__/balance.test.js
@@ -69,7 +69,7 @@ describe('helpers > balance', () => {
       ])
     })
 
-    test('should work if interval dont contain transactions', () => {
+    test('should work if interval dont contain operations', () => {
       const account = {
         coinType: 0,
         balanceByDay: {
diff --git a/src/helpers/balance.js b/src/helpers/balance.js
index e4d25aa1..663a6c2f 100644
--- a/src/helpers/balance.js
+++ b/src/helpers/balance.js
@@ -8,7 +8,7 @@ import first from 'lodash/first'
 import isUndefined from 'lodash/isUndefined'
 import last from 'lodash/last'
 
-import type { Accounts, Account } from 'types/common'
+import type { Account } from 'types/common'
 
 type DateInterval = {
   start: string,
@@ -21,7 +21,7 @@ type BalanceHistoryDay = {
 }
 
 type CalculateBalance = {
-  accounts: Accounts,
+  accounts: Account[],
   counterValue: string,
   counterValues: Object,
   daysCount: number,
@@ -100,7 +100,7 @@ export function getBalanceHistoryForAccounts({
   interval,
 }: {
   counterValue: string,
-  accounts: Accounts,
+  accounts: Account[],
   counterValues: Object,
   interval: DateInterval,
 }): Array<BalanceHistoryDay> {
diff --git a/src/helpers/btc.js b/src/helpers/btc.js
index 5e25cc99..3e5c7ae3 100644
--- a/src/helpers/btc.js
+++ b/src/helpers/btc.js
@@ -7,7 +7,7 @@ import groupBy from 'lodash/groupBy'
 import noop from 'lodash/noop'
 import uniqBy from 'lodash/uniqBy'
 
-import type { Transactions } from 'types/common'
+import type { Operation } from 'types/common'
 
 const GAP_LIMIT_ADDRESSES = 20
 
@@ -22,7 +22,7 @@ export const networks = [
   },
 ]
 
-export function computeTransaction(addresses: Array<string>) {
+export function computeOperation(addresses: Array<string>) {
   return (t: Object) => {
     const outputVal = t.outputs
       .filter(o => addresses.includes(o.address))
@@ -30,10 +30,11 @@ export function computeTransaction(addresses: Array<string>) {
     const inputVal = t.inputs
       .filter(i => addresses.includes(i.address))
       .reduce((acc, cur) => acc + cur.value, 0)
-    const balance = outputVal - inputVal
+    const amount = outputVal - inputVal
     return {
-      address: t.balance > 0 ? t.inputs[0].address : t.outputs[0].address,
-      balance,
+      id: t.hash,
+      address: t.amount > 0 ? t.inputs[0].address : t.outputs[0].address,
+      amount,
       confirmations: t.confirmations,
       hash: t.hash,
       receivedAt: t.received_at,
@@ -41,8 +42,8 @@ export function computeTransaction(addresses: Array<string>) {
   }
 }
 
-export function getBalanceByDay(transactions: Transactions) {
-  const txsByDate = groupBy(transactions, tx => {
+export function getBalanceByDay(operations: Operation[]) {
+  const txsByDate = groupBy(operations, tx => {
     const [date] = new Date(tx.receivedAt).toISOString().split('T')
     return date
   })
@@ -55,7 +56,7 @@ export function getBalanceByDay(transactions: Transactions) {
       const txs = txsByDate[k]
 
       balance += txs.reduce((r, v) => {
-        r += v.balance
+        r += v.amount
         return r
       }, 0)
 
@@ -91,7 +92,7 @@ export async function getAccount({
   const script = segwit ? parseInt(network.scriptHash, 10) : parseInt(network.pubKeyHash, 10)
 
   let balance = 0
-  let transactions = []
+  let operations = []
   let lastAddress = null
 
   const pubKeyToSegwitAddress = (pubKey, scriptVersion) => {
@@ -149,31 +150,31 @@ export async function getAccount({
 
         let txs = []
 
-        const transactionsOpts = { coin_type: coinType }
+        const operationsOpts = { coin_type: coinType }
 
         try {
-          txs = await ledger.getTransactions(listAddresses, transactionsOpts)
+          txs = await ledger.getTransactions(listAddresses, operationsOpts)
           txs = txs.filter(t => !allTxsHash.includes(t.hash)).reverse()
         } catch (e) {
-          console.log('getTransactions', e) // eslint-disable-line no-console
+          console.log('getOperations', e) // eslint-disable-line no-console
         }
 
-        const hasTransactions = txs.length > 0
+        const hasOperations = txs.length > 0
 
-        if (hasTransactions) {
-          const newTransactions = txs.map(computeTransaction(allAddresses))
-          const txHashs = transactions.map(t => t.hash)
+        if (hasOperations) {
+          const newOperations = txs.map(computeOperation(allAddresses))
+          const txHashs = operations.map(t => t.hash)
 
-          balance = newTransactions
+          balance = newOperations
             .filter(t => !txHashs.includes(t.hash))
-            .reduce((result, v) => result + v.balance, balance)
+            .reduce((result, v) => result + v.amount, balance)
 
           lastAddress = getLastAddress(addresses, txs[0])
-          transactions = uniqBy([...transactions, ...newTransactions], t => t.hash)
+          operations = uniqBy([...operations, ...newOperations], t => t.hash)
 
           onProgress({
             balance,
-            transactions: transactions.length,
+            operations: operations.length,
           })
 
           return nextPath(index + (GAP_LIMIT_ADDRESSES - 1))
@@ -189,11 +190,11 @@ export async function getAccount({
 
         return {
           ...nextAddress,
-          addresses: transactions.length > 0 ? allAddresses : [],
+          addresses: operations.length > 0 ? allAddresses : [],
           balance,
-          balanceByDay: getBalanceByDay(transactions),
+          balanceByDay: getBalanceByDay(operations),
           rootPath,
-          transactions,
+          operations,
         }
       })
 
diff --git a/src/internals/accounts/sync.js b/src/internals/accounts/sync.js
index 68064960..357772c3 100644
--- a/src/internals/accounts/sync.js
+++ b/src/internals/accounts/sync.js
@@ -4,9 +4,9 @@ import { getAccount, getHDNode, networks } from 'helpers/btc'
 
 const network = networks[1]
 
-function syncAccount({ id, transactions, ...currentAccount }) {
+function syncAccount({ id, operations, ...currentAccount }) {
   const hdnode = getHDNode({ xpub58: id, network })
-  const allTxsHash = transactions.map(t => t.hash)
+  const allTxsHash = operations.map(t => t.hash)
   return getAccount({ hdnode, network, allTxsHash, segwit: true, ...currentAccount }).then(
     account => ({
       id,
diff --git a/src/internals/usb/wallet/accounts.js b/src/internals/usb/wallet/accounts.js
index 038fcc53..d5b1f7de 100644
--- a/src/internals/usb/wallet/accounts.js
+++ b/src/internals/usb/wallet/accounts.js
@@ -154,11 +154,11 @@ export default async ({
       network,
       rootPath: path,
       segwit,
-      onProgress: ({ transactions, ...progress }) =>
-        transactions > 0 && onProgress({ account: currentAccount, transactions, ...progress }),
+      onProgress: ({ operations, ...progress }) =>
+        operations > 0 && onProgress({ account: currentAccount, operations, ...progress }),
     })
 
-    const hasTransactions = account.transactions.length > 0
+    const hasOperations = account.operations.length > 0
 
     accounts.push({
       id: xpub58,
@@ -166,7 +166,7 @@ export default async ({
       ...account,
     })
 
-    if (hasTransactions) {
+    if (hasOperations) {
       onProgress({
         success: true,
       })
diff --git a/src/reducers/accounts.js b/src/reducers/accounts.js
index e3aa7206..927392a6 100644
--- a/src/reducers/accounts.js
+++ b/src/reducers/accounts.js
@@ -10,18 +10,17 @@ import defaultsDeep from 'lodash/defaultsDeep'
 import { getDefaultUnitByCoinType, getCurrencyByCoinType } from '@ledgerhq/currencies'
 
 import type { State } from 'reducers'
-import type { Account, Accounts } from 'types/common'
-
-export type AccountsState = Accounts
+import type { Account } from 'types/common'
 
+export type AccountsState = Account[]
 const state: AccountsState = []
 
-function orderAccountsTransactions(account: Account) {
-  const { transactions } = account
-  transactions.sort((a, b) => new Date(b.receivedAt) - new Date(a.receivedAt))
+function orderAccountsOperations(account: Account) {
+  const { operations } = account
+  operations.sort((a, b) => new Date(b.receivedAt) - new Date(a.receivedAt))
   return {
     ...account,
-    transactions,
+    operations,
   }
 }
 
@@ -36,13 +35,13 @@ function applyDefaults(account) {
 const handlers: Object = {
   SET_ACCOUNTS: (
     state: AccountsState,
-    { payload: accounts }: { payload: Accounts },
+    { payload: accounts }: { payload: Account[] },
   ): AccountsState => accounts.map(applyDefaults),
 
   ADD_ACCOUNT: (
     state: AccountsState,
     { payload: account }: { payload: Account },
-  ): AccountsState => [...state, orderAccountsTransactions(account)],
+  ): AccountsState => [...state, orderAccountsOperations(account)],
 
   UPDATE_ACCOUNT: (
     state: AccountsState,
@@ -58,7 +57,7 @@ const handlers: Object = {
         ...account,
       }
 
-      return orderAccountsTransactions(updatedAccount)
+      return orderAccountsOperations(updatedAccount)
     }),
 
   REMOVE_ACCOUNT: (state: AccountsState, { payload: account }: { payload: Account }) =>
@@ -78,15 +77,15 @@ export function getTotalBalance(state: { accounts: AccountsState }) {
   )
 }
 
-export function getAccounts(state: { accounts: AccountsState }): Array<Account> {
+export function getAccounts(state: { accounts: AccountsState }): Account[] {
   return state.accounts
 }
 
-export function getArchivedAccounts(state: { accounts: AccountsState }): Array<Account> {
+export function getArchivedAccounts(state: { accounts: AccountsState }): Account[] {
   return state.accounts.filter(acc => acc.archived === true)
 }
 
-export function getVisibleAccounts(state: { accounts: AccountsState }): Array<Account> {
+export function getVisibleAccounts(state: { accounts: AccountsState }): Account[] {
   return getAccounts(state).filter(account => account.archived !== true)
 }
 
@@ -96,7 +95,7 @@ export function getAccountById(state: { accounts: AccountsState }, id: string):
 }
 
 export function canCreateAccount(state: State): boolean {
-  return every(getAccounts(state), a => get(a, 'transactions.length', 0) > 0)
+  return every(getAccounts(state), a => get(a, 'operations.length', 0) > 0)
 }
 
 export function serializeAccounts(accounts: Array<Object>) {
@@ -119,7 +118,7 @@ export function serializeAccounts(accounts: Array<Object>) {
 
     return {
       ...a,
-      transactions: account.transactions.map(t => ({
+      operations: account.operations.map(t => ({
         ...t,
         account: a,
       })),
@@ -127,7 +126,7 @@ export function serializeAccounts(accounts: Array<Object>) {
   })
 }
 
-export function deserializeAccounts(accounts: Accounts) {
+export function deserializeAccounts(accounts: Account[]) {
   return accounts.map(account => ({
     id: account.id,
     address: account.address,
@@ -139,7 +138,7 @@ export function deserializeAccounts(accounts: Accounts) {
     name: account.name,
     path: account.path,
     rootPath: account.rootPath,
-    transactions: account.transactions.map(({ account, ...t }) => t),
+    operations: account.operations.map(({ account, ...t }) => t),
     unit: account.unit,
     settings: account.settings,
   }))
diff --git a/src/renderer/events.js b/src/renderer/events.js
index cc49ae99..27b112cc 100644
--- a/src/renderer/events.js
+++ b/src/renderer/events.js
@@ -5,7 +5,7 @@ import objectPath from 'object-path'
 import debug from 'debug'
 import { getDefaultUnitByCoinType } from '@ledgerhq/currencies'
 
-import type { Accounts } from 'types/common'
+import type { Account } from 'types/common'
 
 import { CHECK_UPDATE_DELAY, SYNC_ACCOUNT_DELAY, SYNC_COUNTER_VALUES_DELAY } from 'constants'
 
@@ -52,19 +52,19 @@ export function sendSyncEvent(channel: string, msgType: string, data: any): any
   })
 }
 
-export function startSyncAccounts(accounts: Accounts) {
+export function startSyncAccounts(accounts: Account[]) {
   d.sync('Sync accounts - start')
   syncAccountsInProgress = true
   sendEvent('accounts', 'sync.all', {
     accounts: accounts.map(account => {
-      const { id, coinType, rootPath, addresses, index, transactions } = account
+      const { id, coinType, rootPath, addresses, index, operations } = account
       return {
         id,
         coinType,
         allAddresses: addresses,
         currentIndex: index,
         rootPath,
-        transactions,
+        operations,
       }
     }),
   })
@@ -76,7 +76,7 @@ export function stopSyncAccounts() {
   clearTimeout(syncAccountsTimeout)
 }
 
-export function startSyncCounterValues(counterValue: string, accounts: Accounts) {
+export function startSyncCounterValues(counterValue: string, accounts: Account[]) {
   d.sync('Sync counterValues - start')
 
   sendEvent('msg', 'counterValues.sync', {
@@ -114,9 +114,9 @@ export default ({ store, locked }: { store: Object, locked: boolean }) => {
               return
             }
 
-            const { name, balance, balanceByDay, transactions } = existingAccount
+            const { name, balance, balanceByDay, operations } = existingAccount
 
-            if (account.transactions.length > 0) {
+            if (account.operations.length > 0) {
               d.sync(`Update account - ${name}`)
               const updatedAccount = {
                 ...account,
@@ -126,7 +126,7 @@ export default ({ store, locked }: { store: Object, locked: boolean }) => {
                   return result
                 }, {}),
                 index: account.index || existingAccount.index,
-                transactions: [...transactions, ...account.transactions],
+                operations: [...operations, ...account.operations],
               }
               store.dispatch(updateAccount(updatedAccount))
             }
diff --git a/src/renderer/i18n/instanciate.js b/src/renderer/i18n/instanciate.js
index 35edd84e..3088da6c 100644
--- a/src/renderer/i18n/instanciate.js
+++ b/src/renderer/i18n/instanciate.js
@@ -14,7 +14,7 @@ const commonConfig = {
     'settings',
     'sidebar',
     'time',
-    'transactionsList',
+    'operationsList',
     'update',
   ],
   fallbackLng: 'en',
diff --git a/src/renderer/i18n/storybook.js b/src/renderer/i18n/storybook.js
index 1f875ef7..01302f00 100644
--- a/src/renderer/i18n/storybook.js
+++ b/src/renderer/i18n/storybook.js
@@ -13,7 +13,7 @@ const resources = {
   settings: require('../../../static/i18n/en/settings.yml'),
   sidebar: require('../../../static/i18n/en/sidebar.yml'),
   time: require('../../../static/i18n/en/time.yml'),
-  transactionsList: require('../../../static/i18n/en/transactionsList.yml'),
+  operationsList: require('../../../static/i18n/en/operationsList.yml'),
   update: require('../../../static/i18n/en/update.yml'),
 }
 
diff --git a/src/stories/currencies.stories.js b/src/stories/currencies.stories.js
index a3a3c3d3..9b2dc19e 100644
--- a/src/stories/currencies.stories.js
+++ b/src/stories/currencies.stories.js
@@ -7,11 +7,11 @@ import { getIconByCoinType } from '@ledgerhq/currencies/react'
 
 import type { Currency } from '@ledgerhq/currencies'
 
-const stories = storiesOf('Common/Currencies', module)
+const stories = storiesOf('Common', module)
 
 const currencies: Array<Currency> = listCurrencies()
 
-stories.add('currencies list', () => (
+stories.add('Currencies', () => (
   <div>
     <table border="1">
       <thead>
diff --git a/src/types/common.js b/src/types/common.js
index 1711c904..fee51c87 100644
--- a/src/types/common.js
+++ b/src/types/common.js
@@ -10,19 +10,18 @@ export type Device = {
 
 export type Devices = Array<Device>
 
-// -------------------- Transactions
+// -------------------- Operations
 
-export type Transaction = {
+export type Operation = {
+  id: string,
   account?: Account,
   address: string,
-  balance: number,
+  amount: number,
   hash: string,
   receivedAt: string,
   confirmations: number,
 }
 
-export type Transactions = Array<Transaction>
-
 // -------------------- Accounts
 
 export type AccountSettings = {
@@ -42,13 +41,11 @@ export type Account = {
   name: string,
   path: string,
   rootPath: string,
-  transactions: Transactions,
+  operations: Operation[],
   unit: Unit,
   settings: AccountSettings,
 }
 
-export type Accounts = Array<Account>
-
 // -------------------- Settings
 
 export type SettingsProfile = {
diff --git a/static/i18n/en/transactionsList.yml b/static/i18n/en/operationsList.yml
similarity index 100%
rename from static/i18n/en/transactionsList.yml
rename to static/i18n/en/operationsList.yml
diff --git a/static/i18n/fr/transactionsList.yml b/static/i18n/fr/operationsList.yml
similarity index 100%
rename from static/i18n/fr/transactionsList.yml
rename to static/i18n/fr/operationsList.yml