diff --git a/package.json b/package.json
index 3cdb4f43..4814202a 100644
--- a/package.json
+++ b/package.json
@@ -36,11 +36,11 @@
     "webpack-sources": "1.0.1"
   },
   "dependencies": {
-    "@ledgerhq/hw-app-btc": "^4.12.0",
-    "@ledgerhq/hw-app-eth": "^4.12.0",
-    "@ledgerhq/hw-app-xrp": "^4.12.0",
-    "@ledgerhq/hw-transport": "^4.12.0",
-    "@ledgerhq/hw-transport-node-hid": "^4.12.0",
+    "@ledgerhq/hw-app-btc": "^4.13.0",
+    "@ledgerhq/hw-app-eth": "^4.13.0",
+    "@ledgerhq/hw-app-xrp": "^4.13.0",
+    "@ledgerhq/hw-transport": "^4.13.0",
+    "@ledgerhq/hw-transport-node-hid": "^4.13.0",
     "@ledgerhq/ledger-core": "1.4.5",
     "@ledgerhq/live-common": "2.29.0",
     "axios": "^0.18.0",
diff --git a/src/bridge/EthereumJSBridge.js b/src/bridge/EthereumJSBridge.js
index 20be763d..2696f69e 100644
--- a/src/bridge/EthereumJSBridge.js
+++ b/src/bridge/EthereumJSBridge.js
@@ -215,7 +215,7 @@ const EthereumBridge: WalletBridge<Transaction> = {
         xpub: '',
         freshAddress,
         freshAddressPath,
-        name: address.slice(32),
+        name: `Account ${index}`,
         balance,
         blockHeight: currentBlock.height,
         index,
diff --git a/src/bridge/RippleJSBridge.js b/src/bridge/RippleJSBridge.js
index 57463f2b..f02b9052 100644
--- a/src/bridge/RippleJSBridge.js
+++ b/src/bridge/RippleJSBridge.js
@@ -310,7 +310,7 @@ const RippleJSBridge: WalletBridge<Transaction> = {
             const account: $Exact<Account> = {
               id: accountId,
               xpub: '',
-              name: address.slice(0, 8),
+              name: `Account ${index}`,
               freshAddress,
               freshAddressPath,
               balance,
diff --git a/src/commands/libcoreSignAndBroadcast.js b/src/commands/libcoreSignAndBroadcast.js
index b5a92aad..d2627830 100644
--- a/src/commands/libcoreSignAndBroadcast.js
+++ b/src/commands/libcoreSignAndBroadcast.js
@@ -1,5 +1,6 @@
 // @flow
 
+import logger from 'logger'
 import type { AccountRaw, OperationRaw } from '@ledgerhq/live-common/lib/types'
 import Btc from '@ledgerhq/hw-app-btc'
 import { Observable } from 'rxjs'
@@ -55,6 +56,84 @@ const cmd: Command<Input, Result> = createCommand(
     }),
 )
 
+async function signTransaction({
+  hwApp,
+  currencyId,
+  transaction,
+  sigHashType,
+  supportsSegwit,
+  isSegwit,
+  hasTimestamp,
+}: {
+  hwApp: Btc,
+  currencyId: string,
+  transaction: *,
+  sigHashType: number,
+  supportsSegwit: boolean,
+  isSegwit: boolean,
+  hasTimestamp: boolean,
+}) {
+  const additionals = []
+  if (currencyId === 'bitcoin_cash' || currencyId === 'bitcoin_gold') additionals.push('bip143')
+  const rawInputs = transaction.getInputs()
+
+  const inputs = await Promise.all(
+    rawInputs.map(async input => {
+      const rawPreviousTransaction = await input.getPreviousTransaction()
+      const hexPreviousTransaction = Buffer.from(rawPreviousTransaction).toString('hex')
+      const previousTransaction = hwApp.splitTransaction(
+        hexPreviousTransaction,
+        supportsSegwit,
+        hasTimestamp,
+      )
+      const outputIndex = input.getPreviousOutputIndex()
+      const sequence = input.getSequence()
+      return [
+        previousTransaction,
+        outputIndex,
+        undefined, // we don't use that TODO: document
+        sequence, // 0xffffffff,
+      ]
+    }),
+  )
+
+  const associatedKeysets = rawInputs.map(input => {
+    const derivationPaths = input.getDerivationPath()
+    return derivationPaths[0].toString()
+  })
+
+  const outputs = transaction.getOutputs()
+
+  const output = outputs.find(output => {
+    const derivationPath = output.getDerivationPath()
+    if (derivationPath.isNull()) {
+      return false
+    }
+    const strDerivationPath = derivationPath.toString()
+    const derivationArr = strDerivationPath.split('/')
+    return derivationArr[derivationArr.length - 2] === '1'
+  })
+
+  const changePath = output ? output.getDerivationPath().toString() : undefined
+  const outputScriptHex = Buffer.from(transaction.serializeOutputs()).toString('hex')
+  const lockTime = transaction.getLockTime()
+  const initialTimestamp = hasTimestamp ? transaction.getTimestamp() : undefined
+
+  const signedTransaction = await hwApp.createPaymentTransactionNew(
+    inputs,
+    associatedKeysets,
+    changePath,
+    outputScriptHex,
+    lockTime,
+    sigHashType,
+    isSegwit,
+    initialTimestamp,
+    additionals,
+  )
+
+  return signedTransaction
+}
+
 export async function doSignAndBroadcast({
   account,
   transaction,
@@ -74,7 +153,7 @@ export async function doSignAndBroadcast({
 }): Promise<void> {
   let njsAccount
 
-  const signedTransaction: ?string = await withDevice(deviceId)(async transport => {
+  const signedTransaction = await withDevice(deviceId)(async transport => {
     const hwApp = new Btc(transport)
 
     const WALLET_IDENTIFIER = await getWalletIdentifier({
@@ -103,21 +182,22 @@ export async function doSignAndBroadcast({
 
     const builded = await transactionBuilder.build()
     if (isCancelled()) return null
-    const sigHashType = core.helpers.bytesToHex(
+    const sigHashType = Buffer.from(
       njsWalletCurrency.bitcoinLikeNetworkParameters.SigHash,
-    )
+    ).toString('hex')
 
-    const hasTimestamp = njsWalletCurrency.bitcoinLikeNetworkParameters.UsesTimestampedTransaction
+    const hasTimestamp = !!njsWalletCurrency.bitcoinLikeNetworkParameters.UsesTimestampedTransaction
     // TODO: const timestampDelay = njsWalletCurrency.bitcoinLikeNetworkParameters.TimestampDelay
 
     const currency = getCryptoCurrencyById(account.currencyId)
 
-    return core.signTransaction({
+    return signTransaction({
       hwApp,
+      currencyId: account.currencyId,
       transaction: builded,
-      sigHashType: parseInt(sigHashType, 16).toString(),
+      sigHashType: parseInt(sigHashType, 16),
       supportsSegwit: !!currency.supportsSegwit,
-      isSegwit: account.isSegwit,
+      isSegwit: !!account.isSegwit,
       hasTimestamp,
     })
   })
@@ -125,7 +205,12 @@ export async function doSignAndBroadcast({
   if (!signedTransaction || isCancelled() || !njsAccount) return
   onSigned()
 
-  const txHash = await njsAccount.asBitcoinLikeAccount().broadcastRawTransaction(signedTransaction)
+  logger.log(signedTransaction)
+
+  const txHash = await njsAccount
+    .asBitcoinLikeAccount()
+    .broadcastRawTransaction(Array.from(Buffer.from(signedTransaction, 'hex')))
+
   // NB we don't check isCancelled() because the broadcast is not cancellable now!
   onOperationBroadcasted({
     id: txHash,
diff --git a/yarn.lock b/yarn.lock
index 286c7293..b85175b5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1449,27 +1449,41 @@
   version "0.6.3"
   resolved "https://registry.yarnpkg.com/@emotion/unitless/-/unitless-0.6.3.tgz#65682e68a82701c70eefb38d7f941a2c0bfa90de"
 
-"@ledgerhq/hw-app-btc@^4.12.0", "@ledgerhq/hw-app-btc@^4.7.3":
+"@ledgerhq/hw-app-btc@^4.13.0":
+  version "4.13.0"
+  resolved "https://registry.yarnpkg.com/@ledgerhq/hw-app-btc/-/hw-app-btc-4.13.0.tgz#c2d093d94c6d59113e2150aedbb4b5b0c55d6826"
+  dependencies:
+    "@ledgerhq/hw-transport" "^4.13.0"
+    create-hash "^1.1.3"
+
+"@ledgerhq/hw-app-btc@^4.7.3":
   version "4.12.0"
   resolved "https://registry.yarnpkg.com/@ledgerhq/hw-app-btc/-/hw-app-btc-4.12.0.tgz#deae3200dcb6eb196f05a7357c5499f3920e6c6f"
   dependencies:
     "@ledgerhq/hw-transport" "^4.12.0"
     create-hash "^1.1.3"
 
-"@ledgerhq/hw-app-eth@^4.12.0":
-  version "4.12.0"
-  resolved "https://registry.yarnpkg.com/@ledgerhq/hw-app-eth/-/hw-app-eth-4.12.0.tgz#8be54f2532ab816eb080905b12d7e1ff8b60840c"
+"@ledgerhq/hw-app-eth@^4.13.0":
+  version "4.13.0"
+  resolved "https://registry.yarnpkg.com/@ledgerhq/hw-app-eth/-/hw-app-eth-4.13.0.tgz#8a999263f2dd212e43bb1145018003f4bad52d33"
   dependencies:
-    "@ledgerhq/hw-transport" "^4.12.0"
+    "@ledgerhq/hw-transport" "^4.13.0"
 
-"@ledgerhq/hw-app-xrp@^4.12.0":
-  version "4.12.0"
-  resolved "https://registry.yarnpkg.com/@ledgerhq/hw-app-xrp/-/hw-app-xrp-4.12.0.tgz#aeba3b5b2447e185811974312a3ed1b3eeb7a0f1"
+"@ledgerhq/hw-app-xrp@^4.13.0":
+  version "4.13.0"
+  resolved "https://registry.yarnpkg.com/@ledgerhq/hw-app-xrp/-/hw-app-xrp-4.13.0.tgz#a38a1417297074da8d24cc0fef7a9a68c186a6ab"
   dependencies:
-    "@ledgerhq/hw-transport" "^4.12.0"
+    "@ledgerhq/hw-transport" "^4.13.0"
     bip32-path "0.4.2"
 
-"@ledgerhq/hw-transport-node-hid@^4.12.0", "@ledgerhq/hw-transport-node-hid@^4.7.6":
+"@ledgerhq/hw-transport-node-hid@^4.13.0":
+  version "4.13.0"
+  resolved "https://registry.yarnpkg.com/@ledgerhq/hw-transport-node-hid/-/hw-transport-node-hid-4.13.0.tgz#86306ff10c860d8bbd002db3f4618078460e4b9a"
+  dependencies:
+    "@ledgerhq/hw-transport" "^4.13.0"
+    node-hid "^0.7.2"
+
+"@ledgerhq/hw-transport-node-hid@^4.7.6":
   version "4.12.0"
   resolved "https://registry.yarnpkg.com/@ledgerhq/hw-transport-node-hid/-/hw-transport-node-hid-4.12.0.tgz#acd913904d0e600c681375c7bf5e0f9d5165a075"
   dependencies:
@@ -1482,6 +1496,12 @@
   dependencies:
     events "^2.0.0"
 
+"@ledgerhq/hw-transport@^4.13.0":
+  version "4.13.0"
+  resolved "https://registry.yarnpkg.com/@ledgerhq/hw-transport/-/hw-transport-4.13.0.tgz#463043200c96c91379318052ad4dbe8c80d95cf5"
+  dependencies:
+    events "^2.0.0"
+
 "@ledgerhq/ledger-core@1.4.5":
   version "1.4.5"
   resolved "https://registry.yarnpkg.com/@ledgerhq/ledger-core/-/ledger-core-1.4.5.tgz#d3cf00ac07307d419b09e4cc1de8a8764ef16338"